text:
\section{Introduction}

The first gravitational wave signal recorded by the advanced LIGO detectors~\cite{TheLIGOScientific:2014jea}, GW150914, was detected by multiple search pipelines~\cite{GW150914}, some that directly reconstruct the signal using a coherent wavelet representation~\cite{Abbott:2016ezn}, and others that use waveform models, or templates, derived from general relativity~\cite{TheLIGOScientific:2016pea}. Both types of analysis play an important role in gravitational wave (GW) detection and characterization: the modeled searches are the most sensitive to the types of signals they are targeting, while the direct reconstruction methods are sensitive to a wider variety of GW sources. Both types of analysis also play an important role in understanding the physical properties of the sources. The template based analysis provides a mapping between the shape of the waveform and the physical properties of the source, allowing us to infer that GW150914 was produced by the collision of two black holes, each $\sim 30$ times the mass of the Sun~\cite{TheLIGOScientific:2016wfe}. The greater flexibility of the wavelet-based reconstruction approach was used to test for deviations from the predictions of general relativity~\cite{TheLIGOScientific:2016src}.

While all of the GWs detected so far have been from compact binary systems, there exist other GW sources that are not as well modeled: for example core-collapse supernovae; post-merger oscillations of hypermassive neutron stars; magnetar flares; and pulsar glitches.  There is also the possibility that LIGO/Virgo could detect gravitational waves from a completely new and unpredicted sources.  In addition to having good models for well understood sources, it is also crucial that we are ready to both detect and characterize any possible astrophysical signal.

One analysis technique that has been widely used in LIGO to detect and reconstruct GWs with minimal assumptions is the \texttt{BayesWave}\xspace algorithm \cite{BW}.  Several studies \cite{BWII, BWIII, Bence} have shown \texttt{BayesWave}\xspace's capability to robustly distinguish between real astrophysical signals and transient noise artifacts (glitches) that are known to occur in the detectors, and to faithfully reconstruct waveforms from simulated signals.  It does this by reconstructing the detector data using a sum of Morlet-Gabor sine-Gaussian wavelets. The number of wavelets used is determined by the data, with more complicated signals ({\it i.e.} those having more structure in time-frequency space) needing more wavelets.  Because Morlet-Gabor wavelets have variable shapes in time-frequency space they are generally able to fit waveforms well, but there are several avenues for improving the fidelity of the waveform reconstructions. One is to modify the prior on the wavelet placement - such as using a ``clustering prior''~\cite{BW} which assigns greater probability to regions in time-frequency that are close to other wavelets. Another is to change the wavelet model. Here we investigate the use of  ``chirplets'' - modified sine-Gaussian wavelets with linear frequency evolution~\cite{Chirplets}. The motivation for using chirplets is that the frequency content of GW signals typically evolves with time~\cite{ChassandeMottin:2005jp,Candes:2006yv,Pai:2007ms,ChassandeMottin:2010js,Mohapatra:2011mx}. The chirplets can model both increasing and decreasing frequency evolution.

\section{Chirplet frame}\label{section:chirplets}

The Morlet-Gabor sine-Gaussian wavelets currently used by \texttt{BayesWave}\xspace form an over-complete basis, technically a {\em frame}~\cite{Kovacevic2008AnIT}, that can reconstruct any possible signal.  They have a simple analytic representation in the Fourier domain, making it easy to search over the time of arrival, and allowing for efficient calculation of the likelihood function.  But there may be other frames that are able to reconstruct signals more efficiently.

In choosing a new wavelet frame for \texttt{BayesWave}\xspace, we consider what types of gravitational-wave signals we might detect.  Many astrophysical sources of GWs have frequency content that evolves in time, most notably mergers of compact binary objects.  Because of this, we might expect that using a frame function that itself includes frequency evolution could better reconstruct GW signals.  The simplest way to incorporate changing frequency into \texttt{BayesWave}\xspace is to add a linear frequency evolution to the Morlet-Gabor wavelets, producing a function known as a chirplet~\cite{Chirplets}.

\begin{figure}[ht]
	\includegraphics[width=0.45\textwidth]{waveex_f0200_Q10}
	\includegraphics[width=0.45\textwidth]{chirpex}
\caption{Examples of a wavelet (left) and chirplet (right) in the time domain.  For both examples $f_0=200$, $t_0 = 0$, and $Q=10$.  In the chirplet example $\beta=0.8$}
\label{fig:TimeDomainEx}
\end{figure}

In the time domain, chirplets can be expressed as
\begin{equation}
\Psi(t;A,f_0,\dot{f}_0,Q,t_0,\phi_0)=Ae^{-\Delta t^2/\tau^2}\cos(2\pi f_0\Delta t + \pi \dot{f}_0\Delta t^2+\phi_0)
\end{equation}
where $\tau = Q/(2\pi f_0)$ and $\Delta t = t-t_0$.  Here $\dot{f}_0$ represents the frequency evolution and is the linear frequency derivative at time $t=t_0$. In the limit that $\dot{f}_0=0$, this expression reduces to the expression for Morlet-Gabor wavelets.  Chirplets can have either $\dot{f}_0>0$ (chirping), or $\dot{f}_0<0$ (anti-chirping). Time domain plots of a chirplet with $\dot{f}_0>0$ and a Morlet-Gabor wavelet ($\dot{f}_0=0$) are shown in Figure \ref{fig:TimeDomainEx}.

The same characteristics that make Morlet-Gabor wavelets a good frame are also true for chirplets: they are continuous, occupy a small time-frequency volume, and can be expressed analytically in the Fourier domain, though with a slightly more complicated expression:
\begin{equation}
\begin{split}
\Psi(f;A,f_0,\dot{f}_0,Q,t_0,\phi_0) = &\frac{A\sqrt{\pi} \tau}{2(1+\pi^2\beta^2)^{1/4}}e^{-\frac{\pi^2 \tau^2\Delta f^2}{1+\pi^2 \beta^2}}e^{-2\pi i f t_0}(e^{i(\phi_0+\delta-\pi^3\beta\tau^2\Delta f^2)/(1+\pi^2\beta^2)} \\
& +e^{-Q^2f/f_0}e^{-i(\phi_0+\delta-\pi^3\beta^2\Delta f^2)/(1+\pi^2\beta^2)})
\end{split}
\end{equation}
where $\Delta f = f-f_0$, $\delta = \frac{1}{2}\arctan(\pi\dot{f}_0\tau^2)$, and we have introduced the dimensionless parameter $\beta = \dot{f}_0\tau^2$.  For the remainder of this paper we will us $\beta$ as our chirp parameter.

In time-frequency space, wavelets can be represented by ellipses whose principle axes are aligned with the time and frequency axes.  Similarly, chirplets can be represented by a tilted ellipse. The equation for the ellipse is
\begin{equation}
(1+\pi^2\beta^2) x^2 + \pi^2 y^2 - 2\pi^2 \beta xy = 1
\end{equation}
where we have introduced the dimensionless variables $x=\Delta t/\tau$ and $y= \tau \Delta f$. In terms of these new coordinates, the ellipse is tilted with respect to the time axis by the angle
\begin{equation}\label{Eq:EllipseLengths}
\theta = \frac{1}{2}\, {\rm arctan} \left(\frac{2 \pi^2 \beta}{\pi^2(1-\beta^2)-1}\right)
\end{equation}
The ellipse has area $1+{\cal O}(\beta^4)$. A spectrogram of a variety of chirplets is shown in Figure \ref{fig:SpecEx}.

\begin{figure}[ht]
	\centerline{\includegraphics[width=0.7\textwidth]{chirp_spec_ex.png}}
\caption{Spectrogram of chirplets with a range of central times, frequencies, $Q$ and $\beta$.}
\label{fig:SpecEx}
\end{figure}

\section{Methods}\label{section:methods}

Bayesian inference requires the specification of a likelihood and prior, and a method to compute the posterior distribution and model evidence. Since the replacement of sine-Gaussian wavelets by chirplets only adds one new parameter to the frame functions, the implementation is almost identical to the original \texttt{BayesWave}\xspace algorithm~\cite{BW}. In our study we started with the version of \texttt{BayesWave}\xspace used in the second advanced LIGO observation run, which differs from the original in the choice of priors, and in some of the proposal distributions used to evolve the MCMC algorithm.

\subsection{Priors}
We use uniform priors on $Q$ ($Q\in[0.01,40]$) and $\phi_0$ ($\phi_0\in[0,2\pi]$).  We also use a uniform prior on $f_0$ and $t_0$ over the time-frequency volume being analyzed.

The prior on the amplitudes of the individual wavelets (chirplets) is given as a prior on the SNR of the individual frame functions.  For an individual wavelet or chirplet, the SNR is estimated as:
\begin{equation}
{\mathrm{SNR}}\equiv 4 \int \frac{|\Psi(f;A,f_0,\dot{f}_0,Q,t_0,\phi_0)|^2}{S_n(f)} df \simeq\frac{A\sqrt{Q}}{\sqrt{2\sqrt{2\pi}f_0S_n(f_0)}},
\end{equation}
where $S_n(f)$ is the one-sided power spectral density of the noise. The prior on the SNR for wavelets in signal model is the same as described in Refs.\cite{BW,BWII}:
\begin{equation}
p({\mathrm{SNR}}) = \frac{3{\mathrm{SNR}}}{4{\mathrm{SNR}}_*^2\left(1+\frac{{\mathrm{SNR}}}{4{\mathrm{SNR}}_*}\right)^5}
\end{equation}
For the glitch model, the prior on the SNR is
\begin{equation}
p({\mathrm{SNR}}) = \frac{{\mathrm{SNR}}}{2{\mathrm{SNR}}_*^2\left(1+\frac{{\mathrm{SNR}}}{2{\mathrm{SNR}}_*}\right)^3}
\end{equation}
where ${\mathrm{SNR}}_*$ is the SNR at which the distributions peak, empirically chosen to be ${\mathrm{SNR}}_*=5$.

For chirplets, we limited the tilt of the ellipse in $\tau$-scaled time-frequency space to be below 45 degrees, which acording to Eq. \ref{Eq:EllipseLengths} corresponds to $\beta = \pm \sqrt{1-1/\pi^2}\approx \pm0.95$. Physically this limit corresponds to roughly a doubling of the frequency across the duration of the chirplet. For larger values of $|\beta|$ the chirplets no longer provide a very compact time-frequency representation. We adopt a uniform prior on $\beta$ in the range $\beta\in[-\sqrt{1-1/\pi^2},\sqrt{1-1/\pi^2}]$. The prior on the number of frame functions is uniform in $N_w\in[0,20]$.

\subsection{Simulated Data}
To test the performance of the chirplet frame, we will look at how faithfully simulated GW signals can be reconstructed, and the number of frame functions used in the reconstruction.  Our test data set consists of the of binary black hole merger signals, and unpolarized white noise bursts in simulated Gaussian noise at the aLIGO design sensitivity~\cite{Aasi:2013wya}.

The binary black hole data set is a system of two 50${\mathrm{M}_\odot}$ back holes with the waveform generated using the Effective One Body approximation \cite{EOB} over a range of SNRs. We choose binary black holes as a test waveform in part because these are examples of waveforms we know have frequency evolution and thus are somewhere we believe a frame with frequency evolution could be beneficial.  We also now know that GWs from black hole systems are detectable by LIGO, and we can likely expect more of these signals in the future.  In addition to the standard BBH waveforms, we also tested BBH waveforms that have been time reversed, so that the frequency \emph{decreases} over time. This set is used to demonstrate that the chirplet frame is good for general signals with time-frequency evolution, and is not specifically targeting BBH signals.

The second class of waveforms used are unpolarized white noise bursts (WNBs).  These waveforms serve as a good test for the chirplet frame because they contain complicated frequency structure, which does not evolve smoothly like the BBH signals.  These signals can sometimes present challenges for \texttt{BayesWave}\xspace because they are unpolarized, whereas the current implementation of \texttt{BayesWave}\xspace assumes that the signals are elliptically polarized. We will see that this mis-modeling throws-off our estimates of the fidelity of the reconstruction as a function of signal-to-noise ratio.

In previous studies of unmodeled searches \cite{Abbott:2016ezn}, sine-Gaussian waveforms (SGs) have also been used as test cases.  However, we have already seen that though \texttt{BayesWave}\xspace can reconstruct SGs well, we are relatively insensitive to them in a search.  This is a natural result of the fact that the signal-to-glitch Bayes factor scales with the number of wavelets used.  For a sine-Gaussian signal we expect and indeed see that \texttt{BayesWave}\xspace typically uses only one wavelet to reconstruct SGs, so the Bayes factor scales only with SNR, making it more difficult to distinguish between signals and glitches.  As wavelets are chirplets in the limit that $\dot{f}_0\rightarrow0$, we see the same behavior from chirplets and so do not consider SGs here.

\section{Results}\label{section:results}

The two metrics we will look at are the number of frame functions used ($N$), and the match between waveforms, which as is defined as
\begin{equation}
  \label{eq:match}
M = \frac{(h|\bar{h})}{\sqrt{(h|h)(\bar{h}|\bar{h})}}
\end{equation}
where $\bar{h}$ is the injected signal, and $h$  is the recovered signal, and $(a|b)$ denotes the standard noise-weighted inner product~\cite{maggiore2008gravitational} evaluated across the detector network. Here we are using a simulated network consisting of the LIGO Hanford and Livingston observatories operating at design sensitivity.

\begin{figure}[ht]
\centering
\includegraphics[width=0.45\textwidth]{snr_v_mean_wavelets_BBH5050_w_timereverse.pdf}
\includegraphics[width=0.45\textwidth]{snr_v_mean_dim_WNB.pdf}\\
\includegraphics[width=0.45\textwidth]{snr_v_mean_totaldims_BBH5050_w_timereverse.pdf}
\includegraphics[width=0.45\textwidth]{snr_v_mean_totaldims_WNB.pdf}
\caption{The upper two panels show how the average number of frame functions (wavelets or chirplets) scales with the SNR. The lower two panels show the scaling for the total model dimension. The panels on the left are for 50${\mathrm{M}_\odot}$-50${\mathrm{M}_\odot}$ BBHs, and the panels on the right are for white noise bursts. The filled markers in the panels on the left represent regular BBH injections, and hollow marker represent time-reversed BBH injections.}
\label{fig:snrvN}
\end{figure}

\subsection{Dimensionality}
The results for the average (mean) number of frame functions used for the BBH injection set and the WNB injection set are shown in Figure \ref{fig:snrvN}.  The difference is more apparent for the BBH injections, but we see that in general fewer chirplets are used than wavelets. This is as predicted-- the extra parameter, $\dot{f}_0$ in the chirplet frame allows for fewer frame functions to be used in the reconstruction.  This implies that the extra flexibility of chirplets may make them preferable for waveform reconstruction, particularly at low SNRs.  A heuristic example of this can be seen in Fig.~\ref{fig:track}, where we see how the chirplets frequency evolution allows them to more closely follow the frequency evolution of the BBH signal.

\begin{figure}[ht]
\centering
\includegraphics[width=0.45\textwidth]{wavelet_track.png}
\includegraphics[width=0.45\textwidth]{chirplet_track.png}
\caption{An example of the wavelet frame (left) and chirplet frame (right) in action.  In this case we used a simulated BBH signal with component masses of 29${\mathrm{M}_\odot}$ and 30${\mathrm{M}_\odot}$ at an SNR of 35.  The solid line is the predicted $f(t)$ track and the colored ellipses are the wavelets or chirplets from a fair draw from the posterior distribution.}
\label{fig:track}
\end{figure}

We also see that, as shown in Ref.~\cite{BWII,BWIII}, the number of wavelets used is roughly linearly dependent on the SNR of the injected signal. In Ref.~\cite{BWII} this dependence was written as $N\approx1+\gamma{\mathrm{SNR}}$, but here we generalize this expression to:
\begin{equation}
N\approx \alpha + \gamma{\mathrm{SNR}},
\label{eq:WaveletScaling}
\end{equation}
with the constants $\alpha$ and $\gamma$ being determined by the waveform morphology.  In practice this expression is only valid for sufficient large SNRs, otherwise the number of frame functions used drops rapidly to one (the minimum allowed number of frame functions in \texttt{BayesWave}\xspace's signal model).

Using the results from the BBH injections, we preform a simple linear fit to find $\alpha$ and $\gamma$ for the wavelet and chirplet runs.  In both cases the slopes are very similar: $\gamma_{chirp} = 0.065$, $\gamma_{wave}=0.066$.  The starting number of frame functions though varies significantly: $\alpha_{wave} = 5.6$, and $\alpha_{chirp}=3.3$.  So while the number of frame functions used increases at a similar rate for both chirplets and wavelets, chirplets use reliably fewer frame functions.

For the WNB injections, we see that while for higher SNR injections slightly more wavelets tend to be used than chirplets, the difference is not nearly as striking as for BBH injections.  Again with a simple linear fit we see $\gamma_{chirp} = 0.21$, $\gamma_{wave}=0.23$, $\alpha_{chirp}=0.76$, and $\alpha_{wave}=0.53$, giving very similar slopes and starting points for both frame functions.

\begin{figure}[ht]
\centering
\includegraphics[width=0.45\textwidth]{snr_v_medmatch_BBH5050_twopanel_w_time_reverse.pdf}
\includegraphics[width=0.45\textwidth]{snr_v_medmatch_WNB_twopanel.pdf}
\caption{The upper panels show the median match between the injected signal and reconstructed waveform versus SNR, while the lower panels shows the difference in the matches $\Delta M = M_\mathrm{chirplet}-M_\mathrm{wavelet}$. The plots on the left are for 50${\mathrm{M}_\odot}$-50${\mathrm{M}_\odot}$ BBH signals, while the plots on the right are for unpolarized white noise bursts.}
\label{fig:snrvmatch}
\end{figure}

\subsection{Match}
As predicted, the chirplet frame generally uses fewer frame functions. To test how well the injected signal is recovered, we look at the match. Fig. \ref{fig:snrvmatch} shows the mean match between the injected and recovered waveforms for a set of two 50${\mathrm{M}_\odot}$ BHs in simulated aLIGO noise (left) and a set of WNBs (right) for a range of SNRs using either chirplets or wavelets as the frame function.

\begin{figure}[ht]
\centering
\includegraphics[width=0.49\textwidth]{BBH_wave_example.pdf}
\includegraphics[width=0.49\textwidth]{anti_chirp_ex_waveform.pdf}
\caption{Example of waveform reconstruction for a BBH, and a  time reversed BBH system (both at 50-50${\mathrm{M}_\odot}$ ). The red (blue) band shows the 50\% credible interval of the reconstructed waveform using the chirplet (wavelet) frame.  Both bases closely match the injected waveform (black) well in the higher power region, but chirplets are able to more accurately reconstruct the waveform in the regions with less power.  The BBH event was injected with SNR 11.2, and has a median match of 0.79 for the chirplet frame, and 0.66 for the wavelet frame. The time-reversed BBH event was injected with a network SNR of 10.25. The median network match for the chirplet frame is 0.91, and for the wavelet frame it is 0.87. }
\label{fig:antichirp}
\end{figure}

In the BBH case, for SNRs above about 25, the matches of the two different methods are comparable.  However at lower SNRs, we see that chirplets outperform wavelets, giving consistently higher matches.  This is important because low SNR events are more common that high SNR events, so small improvements in performance for low SNR signals can result in a large number of additional detections.  A particular example of a chirplet and wavelet reconstruction of a time-reversed BBH signal in shown Fig.~\ref{fig:antichirp}. The plots show the whitened strain, found by inverse Fourier transforming the Fourier domain signal $\tilde{h}(f)/\sqrt{S_n(f)}$. We see here that the chirplet frame manages to fit earlier and later parts of the signal.

For the WNB injections, we see that the two frame functions perform about equally as well.  Previous injection studies with \texttt{BayesWave}\xspace have shown that WNBs can be difficult to to reconstruct.  One reason is that the WNBs are unpolarized, while \texttt{BayesWave}\xspace assumes an elliptical polarization.  WNBs also just have a very complicated, non-deterministic frequency evolution.  An example of the frequency evolution of a WNB is shown in Figure \ref{fig:WNBex}.  We see that for WNBs the frequency as a function of time changes rapidly from increasing to decreasing and back again.  Because the chirplets we use have only linearly increasing or decreasing frequency, the chirplet frame struggles to recover the fine details of signal. Thus we expect chirplets will provide the most benefit for signals with fairly smooth time-frequency evolution.

\begin{figure}[h]
\centerline{\includegraphics[width=0.85\textwidth]{WNB_example.pdf}}
\caption{An example WNB waveform.  The whitened strain (top) and frequency as a function of time (bottom) show that WNBs are complicated signals with no well defined frequency evolution.}
\label{fig:WNBex}
\end{figure}

We can also study what we theoretically would expect that matches to be for these injections.  For the match given in Eq.~\ref{eq:match}, we assume that the injected waveform $\bar h$ is dependent on parameters $\bar \lambda^i$, and the recovered waveform has parameters $\lambda^i$.  In the high SNR limit, the recovered and true injected parameters should be relatively consistent, or $\Delta \lambda^i = \bar \lambda^i - \lambda^i$ is small. Note that in this context the parameters are those of the wavelet/chirplet representation, and not, for example, the masses and spins of of the black holes. We can approximate the recovered waveform as:
\begin{equation}
h=\bar{h}+h_{,i}\Delta\lambda^i
\end{equation}
and $\Delta\lambda^i$ approximately follows the normal distribution:
\begin{equation}
p(\Delta\lambda^i)=\sqrt{\rm{det}(\Gamma/2\pi)}e^{-\Gamma_{ij}\Delta\lambda^i\Delta\lambda^j}
\end{equation}
where $\Gamma_{ij}=(h,_i|h,_j)$ is the Fisher information matrix.  We can expand our expression for the match, Eq.~\ref{eq:match} then to be \cite{OwenMatchFilter}
\begin{equation}
  \label{eq:expanded_match}
  M = 1-\frac{1}{2}\Delta \lambda^i \Delta \lambda^j\left(\frac{(h,_i|h,_j)}{(h|h)}-\frac{(h|h,_i)(h|h,_j)}{(h|h)^2}\right).
\end{equation}
Recognizing that the expected value of $\Delta \lambda^i \Delta \lambda^j$ is $E[\Delta \lambda^i \Delta \lambda^j]\approx \Gamma_{ij}^{-1}$ \cite{VallisneriFisher}, we find the expected match is:
\begin{equation}
E[M]\approx 1-\frac{D-1}{2{\mathrm{SNR}}^2}
\label{eq:EstimatedMatch}.
\end{equation}
where $D$ is the dimension of the model. The minus one comes from the second term in Eq. \label{eq:expanded_match} removing the dependence on the amplitude of the signal. Note that this derivation assumes a templated search, and so should be thought of as more of a ``rule of thumb'' for this analysis.
Using the scaling for the number of wavelets in Eq. \ref{eq:WaveletScaling}, we have $D=N_p(\alpha+\gamma{\mathrm{SNR}})+4$,
where $N_p$ is 5 for wavelets, and 6 for chirplets, and an additional 4 common extrinsic parameters (sky location, ellipticity and polarization angle).
The full expression for the predicted match is then:
\begin{equation}
E[M]\approx 1-\frac{N_p(\alpha+\gamma{\mathrm{SNR}})+3}{2{\mathrm{SNR}}^2}
\label{eq:EstimatedMatch2}.
\end{equation}
Figure \ref{fig:SNRvMatch_predicted} shows again the average match for the injected binary black hole signals, with the match predicted by Eq. \ref{eq:EstimatedMatch2}.  The recovered matches for the BBH injections follow the predicted match relatively well, however the recovered matches for the WNB injections are lower than the analytical prediction due to the signal model (polarized) not matching the simulated signals (un-polarized).

\begin{figure}[ht]
\centering
\includegraphics[width=0.45\textwidth]{snr_v_mean_match_BBH_5050_w_predicted.pdf}
\includegraphics[width=0.45\textwidth]{WNB_snr_v_avg_match_w_predicted.pdf}
\caption{The predicted match \ref{eq:EstimatedMatch2} plotted with the actual match for the set of BBH injections (left) and WNB injections (right).  The BBH injections generally follow the predicted match vs. SNR scaling, but the prediction overestimates the match for unpolarized WNB injections since the \texttt{BayesWave}\xspace signal model assumes elliptical polarization.}
\label{fig:SNRvMatch_predicted}
\end{figure}

\subsection{Bayes Factors}
The \texttt{BayesWave}\xspace algorithm considers three distinct models: GW Signals + Gaussian noise $({\cal S})$; Noise transients (Glitches) + Gaussian noise $({\cal G})$; Gaussian noise $({\cal N})$; and computes evidence ratios, or Bayes factors, between the models. Here we investigate how the choice of frame impacts the Bayes factors between the models.

\begin{figure}[h]
\centering
\includegraphics[width=0.45\textwidth]{snr_v_lnBSG_BBH5050_twopanel.pdf}
\includegraphics[width=0.45\textwidth]{snr_v_lnBSN_BBH5050_twopanel.pdf}
\caption{The log signal-to-glitch (left) and signal-to-noise (right) Bayes factors for a set of $50-50M_\odot$ binary black holes using the chirplet and wavelet bases. The lower panel shows the difference in the log Bayes factors between the chirplet and wavelet frames, scaled by the wavelet frame log Bayes factor.}
\label{fig:BayesFactors}
\end{figure}

Figure \ref{fig:BayesFactors} shows ${\ln\mathcal{B_{S,N}}}$ (left) and ${\ln\mathcal{B_{S,G}}}$ (right) recovered using chirplets and wavelets for simulated binary black hole signals. We see that both bases return very similar ${\ln\mathcal{B_{S,N}}}$, with the chirplet frame giving just slightly higher Bayes factors.  This is unsurprising since ${\ln\mathcal{B_{S,N}}}$ scales with the recovered SNR, and chirplets are able to recover more SNR due to their ability to recover signals with higher fidelity.

The signal-to-glitch Bayes factors ${\ln\mathcal{B_{S,G}}}$ show the opposite behavior, with the wavelet frame providing better separation between signals and glitches than the chirplet frame. This seemingly paradoxical result is due to the chirplet frame providing higher fidelity reconstructions using less parameters for {\em both} signals {\em and} glitches. Moreover, since the glitch model sees the signal in the individual detectors, which has lower signal-to-noise than the network response seen by the signal model, and since the chirplets outperform wavelets mostly at low SNR, the chirplet model boosts the evidence for the glitch model more than it boosts the evidence for the signal model, resulting in lower ${\ln\mathcal{B_{S,G}}}$ than for the wavelet model. From the perspective of a search, where the goal is to separate signals from instrument noise, the wavelet frame outperforms the chirplet frame despite not doing as well at reconstructing signals. The same behavior was also seen when using the ``clustering prior''~\cite{BW}, which leads to higher matches, especially at low SNR, but worse separation between signals and glitches.

The reduction in the signal-to-glitch Bayes factor has prevented the clustering prior and the chirplet frame from being used in the current LIGO/Virgo analyses, despite the improvements they offer for signal and glitch reconstruction. We were forced to make this unsatisfactory choice because of the limitations in the specification of models. Going forward we plan to implement new models that do a much better job of separating signals and glitches, and that will not penalize models that do a better job of fitting low signal-to-noise features. One option is to modify the glitch model to be anti-coincident between detectors. This can be done by introducing a prior that disfavors placing wavelets at frequencies and times that are occupied by wavelets in the glitch models for the other detectors.

\subsection{Discussion}

We have found that added flexibility offered by chirplet frame functions can reduce the overall model dimension, despite adding an additional parameter to each frame function, and improve waveform reconstruction, particularly at low SNRs. Limitations in the model selection approach that is currently used by \texttt{BayesWave}\xspace to distinguish between signals and glitches has so-far prevented the adoption of chirplets, but these limitations will soon be resolved. Ideally \texttt{BayesWave}\xspace should utilize a wide range of frame elements, including different types of wavelets and chirplets, and perhaps reduced-basis elements for black hole signals~\cite{Field:2011mf}. The optimal mix could then be dynamically selected via the trans-dimensional MCMC algorithm, hewing closer to our mantra ``model everything and let the data sort it out''.

\section{Acknowledgements}

MM and NJC appreciate the support of NSF award PHY-1306702. We thank James Clark for his thoughtful comments.

redpajama_set_name: RedPajamaArXiv


Discussion in 'Alternative Theories' started by amber, Feb 1, 2018.
(surface's max gravity falls off in both directions, inward and out) see topic, "where is more gravity, inside or out?".
better build your tall buildings near the Equator, no speed effects on the poles, just a nice twist., this.
thank you, Amber, we are having a great time with this. Found a piece of amber once on the beach with an enclosed insect, it's body having defied increase in entropy for the longest time.
I am voting with you, time is fundamental. flight through time without formulae.
How do you know what he is thinking?
That is what I did not say.
You may be thinking about weightlessnes a condition that depends in part upon gravity.
But did you weigh either of them?
A Satellite is not weightless , it still experiences the force of gravity and follows a curvature path because of this. If it were not for the force of gravity and Newtons of weight , the Satellite would travel a straight path and travel away from the Earth. In a free fall situation a person aboard a falling craft will fall with the craft and seem weightless. I vaguely remember seeing something once, where aeroplanes go up and down to simulate the affects of weightless. A person or object could only be weightless if they were at a position in the Universe where forces did not act.
I have a time dilation question for you kind people.
In the Caesium atom experiment , if a person(s) could count out aloud, fast enough to count the frequency of the caesium atom, when one person is counting slower , does this not just mean they are counting slower?
Yes they would most certainly be out of synchronisation. But would counting slow affect time?
It would ruin the song thats for sure.
If you are counting the intervals slow thats ok so long as you keep up I guess but ... I may as well type slow for slow readers..neither makes sense.
Try some digital scales by placeing them upside down on the ground that should do it.
How did you see the read out?
The scales would then be measuring their own weight.
A satellite maintains its orbit by balancing two factors: its velocity (the speed it takes to travel in a straight line) and the gravitational pull that Earth has on it. A satellite orbiting closer to the Earth requires more velocity to resist the stronger gravitational pull.
If gravity did not have a hold on the satellite it would fly off into space and not follow a curvature path. The speed stops it falling to Earth and gravity stops if flying off into space.
I do not think you could have such a box, but if you had a box that could stop loss and gain of energy then I assume time would stop for the interior of the box.
But would counting slow affect time?
A Satellite is not weightless , it still experiences the force of gravity and follows a curvature path because of this.
Because how can a state of entropy change if it were enclosed in a special box . There would be no loss or gain so the state and energy contained should remain the same. I think it would be similar to Antoine-Laurent de Lavoisier's work and that nothing is ever lost or gained, but in the scenario of a special box, it includes photon energy.
You did not read it how I thought I had wrote it if you can follow that.
So you have decided - arbitrarily - that a change in entropy is what "causes" time (with no evidence, no supporting argument) and therefore you're arguing the conclusion from that premise. IOW a circular argument based on an unsupported premise.
You say no, counting slow would not affect time, yet we say when the detector in the Caesium clock counts slow, it affects time, why?


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text:
Dutrow is a surname. Notable people with the surname include:

 Anthony W. Dutrow (born 1958), American racehorse trainer
 Richard E. Dutrow Jr. (born 1959), American racehorse trainer
 Richard E. Dutrow Sr. (1937–1999), American racehorse trainer

See also

References

redpajama_set_name: RedPajamaWikipedia


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text:
Category: Villages
On the Value and Meaning of Work
I've been reading my friend Margaret Paxson's book, Solovyovo: The Story of Memory in a Russian Village. Paxson, an anthropologist, watched, interviewed and listened to the villagers of Solovyovo for many months to learn how they related to each other, to their land and to the past.
Yesterday, shortly before going to a dinner party with some other writers, I read a section on currency, debt and exchange.
In a village where people grow their own vegetables, raise animals, keep bees, produce their own alcohol, fetch their own water, and build their own houses, it's fair to ask what the value of money is. In Solovyovo, one needs money to buy things like grain, heating fuel, radios, televisions, but cash is not the primary, purest or most "comfortable" form of currency. Rather than pay one another in rubles, Solovyovo's villagers prefer to exchange meat for vodka, honey for cheese, or milk for a few hours of help in the potato field. Debts are settled through deeds and other goods. Money, as much as possible, doesn't enter the calculation.
So, with my friend's description of this alternate economy in mind, I set off to my writers' dinner party.
Over food and wine, shared our stories: we told what had brought us to writing, how we organized our workdays, and we outlined the decisions each of us had made to create room for writing in our lives. Finally, toward the end of the evening, the talk turned to finances and the concept of work. The discussion was sparked by the description of one author as a "working mother," when she practiced no profession other than writing. Was this a fair description of a woman who writes and raises kids, but who may not earn a whole heck of a lot?
Several questions arose for me as a result of that discussion: Is writing only "real" or "valuable" or even "work" if it pays the rent? Should an author's work conditions be taken into consideration before we judge a piece of writing? Does it matter, in other words, whether a writer's life is tough or cushy? (Tolstoy was rich; Kafka was relatively poor. Should we care?) Is the sum of one's life's work measured only in dollars, or is there another currency we can use?
What can the villagers of Solovyovo teach us in this regard?
[Photo: napugal]
Two Stories of Ona
True story: A researcher at the archives at Kent State University stumbles on the transcript of an interview with her grandmother. This is what happened to me in 2001, when I made the trip from Chicago to Kent, Ohio to look at two boxes of uncatalogued Šimaitė papers. Inside one of the cartons was a black notebook labelled "Father Juozas Vailokaitis (1880-1953) in Siberia." A note fixed to its cover read: "This Lithuanian material was found on a shelf in the Archive, unidentified, on January 2, 1994. It has been placed with these other materials in hope that the next researcher can identify it for us." I almost fell out of my chair when I saw what was inside. It was a seventy-two-page interview with my grandmother.
I saw Krzysztof Kieslowski's film The Double Life of Véronique when I was a teenager, and I remember loving it, but not understanding it. What was the connection between the two women who shared a name? How did their mirrored lives interact? Why did one live and the other die? These were questions I couldn't answer.
Recently, this film has come back to mind with each new mirroring I find in the lives of my two Onas, who shared not only a first name, but second initial. Ona Šimaitė and my grandmother, Ona Šukienė, were born in Lithuanian villages within five years of one another. For both, 1941 was a pivotal year that changed their lives forever: this was the year the Nazis invaded Vilnius, and the year the Red Army deported my grandmother to Siberia. Fragments of both life stories ended up in one box in an American archive to which neither had any connection.
But when I visited my aunt a few weeks ago to talk about family history, I discovered yet another shared biographical detail: both Onas had unofficially adopted daughters named Tanya. Šimaitė's Tanya was a young Warsaw woman whom she smuggled out of the ghetto; my grandmother's, a Russian girl in Brovka who reminded her of her own daughters.
I'm not yet sure what to do with this constant doubling. What does it tell us about life? Are we to understand, perhaps, that there are only handful of "starter lives" handed out every generation, and then each individual must do what s/he can with a given template? Have I stumbled upon two variations on the theme of "the Ona Š. life"? Does this mean that I am living "the Julija Š. life," and that, if I leave enough behind, someone will find my double in an archive after I'm gone?
I've written about the find at Kent State in more detail in an article called "Brovka: Reconstructing a Life in Tatters (My Grandmother's Journey)." You can read it via this link. (No subscription required)
[Ex libris plate by Žibuntas Mikšys; Photo by Julija Šukys]

redpajama_set_name: RedPajamaCommonCrawl


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Investing in financial assets carries risk. Nevertheless, millions of investors put part of their wealth into stocks, bonds, and other asset classes. Investing in the markets obviously carries risk. In general, market risk can be broken into two parts: systematic and unsystematic risk.
Systematic risk is the risk you can't eliminate. It is the risk taken when investing in the market. In addition to it, the unsystematic risk in an additional risk due to undiversified portfolio. A way to determine risk of a particular security, such as a stock, an investor can look up its Beta. A Beta of 1 means the stock is as volatile as the market, while a Beta above 1 means the stock is more volatile than the market. On the other hand, a Beta below 1 means the stock is less volatile than the market. Note that Beta is based on the past and can change.
To reduce unsystematic risk, an investor needs to diversify. Here arises a question: What is the right amount of diversification and which assets or asset classes should be included? Early work by an Economics Nobel Prize winner, Harry Markowitz, leads to a conclusion that most of unsystematic risk can be reduced with as few as 30 securities.
A relatively simple way is to diversify with the Index Funds that are available to the public. By purchasing domestic and international stock index funds as well as a bond fund, much risk gets diversified away as here an investor's risk is spread among industries, asset classes (stocks and bonds), and countries.
Another way to go is to use Exchange Traded Funds (ETFs). These instruments trade on the market just like the stocks and offer a broad range of investment opportunities. There are ETFs that focus on specific regions (such as South- East Asia), countries (China), commodities (oil, silver, gold), industries (biotech), currencies (Euro), and assets (bonds). The offer is truly tremendous.
Systematic risk can also be reduced but not entirely eliminated. One way is to use options. For instance, an investor can purchase protective puts on the securities held in a portfolio. If the value of these securities drops, the put value will rise. There are a few issues, though. First, this may not be a perfect hedge, meaning the rise in put's value may not offset the drop in securities. Second, buying options costs money. Third, options are for certain time only. Once they expire, you need to buy new ones to stay hedged.
There are also Inverse ETFs. Here it is possible to bet on markets falling. The rise in Inverse ETF can offset the drop in a portfolio. Also, note that some actively managed mutual funds will pursue hedging strategies. Moreover, for wealthy investors there are market neutral hedge funds that seek to eliminate market risk.
Whatever your investment goals are, don't put all your eggs in one basket. Reduce risk by diversifying your holdings and considering hedging strategies. The current offering when it comes to mutual and index funds, ETFs, and hedge funds is quite broad. It is important to understand what you're getting into by carefully reviewing prospectuses or fact sheets provided by those funds.


Alex Repenning has the CACM Viewpoints Education column this month where he sets out a bold challenge — scale CS education to a national scale, or fail at making CS education work for all.
K–12 computer science Education (CSed) is an international challenge with different countries engaging in diverse strategies to reach systemic impact by broadening participation among students, teachers and the general population. For instance, the CS4All initiative in the U.S. and the Computing at School movement in the U.K. have scaled up CSed remarkably. While large successes with these kinds of initiatives have resulted in significant impact, it remains unclear how early impact becomes truly systemic. The main challenge preventing K–12 CSed to advance from teachers who are technology enthusiasts to pragmatists is perhaps best characterized by Crossing the Chasm, a notion anchored in the diffusion of innovation literature. This chasm appears to exist for CSed. It suggests it is difficult to move beyond early adopters of a new idea, such as K–12 CSed, to the early majority. Switzerland, a highly affluent, but in terms of K–12 CSed somewhat conservative country, is radically shifting its strategy to cross this chasm by introducing mandatory pre-service teacher computer science education starting at the elementary school level.
Three fundamental CSed stages are characterized by permutations of self-selected/all and students/teachers combinations. It took approximately 20 years to transition through these stages. Each stage is described here from a more general CSed perspective as well as my personal perspective.


Try to find within each of my drawings a balance between representation and subtle abstraction.
Many people think of abstraction as the complete elimination of representation. But simplifying elements, reducing complexity and drawing from imagination can be a form of abstraction as well. This drawing is somewhat dream-like being both based on a simple landscape and yet not attempting to be at all real either. The quality of the line, layer upon layer, builds up an atmosphere that is neither fog, mist nor clear. The lines create their own space. And that space, for me, is where my drawings live, inhabiting their own sense of place but still welcoming all viewers.


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November 3, 2016 November 2, 2016 Carson Caulfield
SPS Holds Most Collegiate Athletes in Louisiana
(COVINGTON, La.) — A study was recently done by MaxPreps Sports to see which high school in each state currently holds the most collegiate athletes. One might think a New Orleans athletic powerhouse such as John Curtis, or Archbishop Rummel would hold the most collegiate athletes in the state of Louisiana, but St. Paul's sits atop with 27 collegiate athletes.
To have so many collegiate athletes go through the school is a tribute to St. Paul's athletic program under the direction of Craig Ketelsen.
"Though our goal is not necessarily to put athletes in college," Ketelsen said, "the fact that we can do things our way, create the best athletic program we can, while being a part of the school philosophy, is certainly a positive testament to us."
Head wrestling coach and Athletic Director Craig Ketelsen discusses strategy with Sam Dufour ('16) at a wrestling tournament (Photo credit: Conifer 2016)
Soccer is one of the St. Paul's sports programs that produces a substantial amount of collegiate athletes yearly. After winning the Louisiana 5A State Championship for the past three years, college coaches and scouts surely have a goldmine of talent here at St. Paul's. Coach Sean Moser is about to begin his eighth season as the head coach of the soccer program. According to Moser, an average of three to four SPS soccer seniors go on to play in college each year. Last year, an astounding six out of the seven seniors in the soccer program are now playing in college.
"I like to think of our program as a college prep class," Moser said. "It's not the material you teach them, it's the foundation. We train at a very high level. Three or four of the coaches on our staff played college ball, and so they're very well prepared. We tend to warn our guys that the college game is much more physical, and that they need to get in shape."
These 27 athletes are only a fraction of what the future has in store for St. Paul's athletics, but for now, the Wolves hold the most collegiate athletes in Louisiana, meaning more than Jesuit, Brother Martin, John Curtis, Mandeville, you name it.
Colin Ross ('16) scores a goal against Acadiana in the 2016 5A State Soccer Championship. Ross was named the 2016 Gatorade Soccer Player of the Year and currently plays for Regis University in Colorado (Photo courtesy: St. Paul's Soccer)
"It's definitely bragging rights," Ketelsen said. "Results do matter, and these definite number results make a difference."
As St. Paul's continues to grow in size, so will the athletic programs. As more and more aspiring Wolves apply to St. Paul's, more and more athletic talent will come along with them.
SPS Sports (pre 2022)
Craig Ketelsen
Sean Moser
SPS college athletes
SPS sports program
Published by Carson Caulfield
Carson is the Sports Editor and a sports writer for The Paper Wolf. He plays baseball for St. Paul's and has been actively involved in Student Council and The Paper Wolf since 2013. His preferred choice of meat on an Izzo's Burrito is a mixture of ground beef and white chicken. Email Carson at carson.caulfield.2018@stpauls.com. View all posts by Carson Caulfield
Previous SPS Community Joins Angelette in Fighting Cancer Relapse
Next Wrestling Wolves Ready to Grapple New Season


text:
CHOICE! - Free At Last! (1990)
X-1/Mob Music/Invisible, X1
Producer: Choice!
Engineers: Steve Cooks & Ed Jordan
Recorded at: Cut & Mix
Slick dance grooves to celebrate the birth of democracy and raise funds for the Mandela Trust. Co-engineered by a young Ed Jordan, who went on to become a well-known radio and TV personality. The title track samples news broadcasts of Madiba's release from prison, funky instrumental 'I Will Follow". Unlike earlier ANC albums, this carries the newfound sense of optimism of the time.


text:
Publications: Publications
50. Yang, W., Y. Zhou, B. Jin, X. Qi, B. Cai, Q. Yin, J. Pfaendtner, J.J. De Yoreo, and C-L Chen. (In Press). Designing sequence-defined peptoids for fibrillar self-assembly and silicification. Journal of Colloid and Interface Science. DOI: 10.1016/j.jcis.2022.11.136.
49. Shao, L., J. Ma, J.L. Prelesnik, Y. Zhou, M. Nguyen, M. Zhao, S.A. Jenekhe, S.V. Kalinin, A.L. Ferguson, J. Pfaendtner, C.J. Mundy, J.J. De Yoreo, F. Baneyx, and C-L Chen. (In Press). Hierarchical materials from high information content macromolecular building blocks: Construction, dynamic interventions, and prediction. Chemical Reviews. DOI: 10.1021/acs/chemrev.2c00220.
48. Valetti, M., R.K. Vasudevan, M.A. Ziatdinov, and S.V. Kalinin. (2022). Bayesian optimization in continuous spaces via virtual process embeddings. Digital Discovery 1: 910-925. DOI: 10.1039/D2DD00065B.
47. Ma, J. B. Jin, K.N. Guye, M.E. Chowdhury, N.Y. Naser, C-L Chen, J.J. De Yoreo, and F. Baneyx. (2022). Controlling mineralization with protein-functionalized peptoid nanotubes. Advanced Materials: 1-11. DOI: 10.1002/adma.202207543.
46. Vaddi, K., H.T. Chiang, and L.D. Pozzo. (2022). Autonomous retrosynthesis of gold nanoparticles via spectral shape matching. Digital Discovery 1: 502-510. DOI: 10.1039/D2DD00025C.
45. Lachowski, K., K. Vaddi, N. Naser, F. Baneyx, and L.D. Pozzo. (2022). Multivariate analysis of peptide-driven nucleation and growth of Au nanoparticles. Digital Discovery 1: 427-439. DOI: 10.1039/D2DD00017B.
44. Jian, T., Y. Zhou, P. Wang, W. Yang, P. Mu, X. Zhang, X. Zhang, and C-L Chen. (2022). Highly stable and tunable peptoid/hemin enzymatic mimetics with natural peroxidase-like activities. Nature Communications 13: 1-13. DOI: 10.1038/s41467-022-30285-9.
43. Monahan, M., M. Homer, S. Zhang, R. Zheng, C-L Chen, J.J. De Yoreo, and B.M. Cossairt. (2022). Impact of nanoparticle size and surface chemistry on peptoid self-assembly. ACS Nano 16: 8095-8106. DOI: 10.1021/acsnano.2c01203.
42. Zhang, S., R. Sadre, B.A. Legg, H. Pyles, T. Perciano, E.W. Bethel, D. Baker, O. Rubel, and J.J. De Yoreo. (2022). Rotational dynamics and transition mechanisms of surface-adsorbed proteins. Proceedings of the National Academy of Sciences 119: 1-10. DOI: 10.1073/pnas.2020242119
41. Jin, B., F. Yan, X. Qi, B. Cai, J. Tao, X. Fu, S. Tan, P. Zhang, J. Pfaendtner, N.Y. Naser, F. Baneyx, X. Zhang, J.J. De Yoreo, and C-L Chen. (2022). Peptoid-directed formation of five-fold twinned Au nanostars through particle attachment and facet stabilization. Angewandte Chemie 61: 1-11. DOI: 10.1002.anie.202201980
40. Ziatdinov, M., A. Ghosh, and S.V. Kalinin. (2022). Physics makes the difference: Bayesian optimization and active learning via augmented Gaussian process. Machine Learning Science and Technology 3: 1-10. DOI: 10.1088/2632-2153/ac4baa
39. Qi, X., Y. Zhao, K. Lachowski, J. Boese, Y. Cai, O. Dollar, B. Hellner, L. Pozzo, J. Pfaendtner, J. Chun, F. Baneyx, and C.J. Mundy. (2022). Predictive theoretical framework for dynamic control of bioinspired hybrid nanoparticle self-assembly. ACS Nano 16: 1919-1928. DOI: 10.1021/acsnano.1c04923
38. Li, Z., D.K. Tran, M. Nguyen, T. Jian, F. Yan, S.A. Jenekhe, and C-L Chen. (2022). Amphiphilic peptoid directed self-assembly of oligoanilines into highly crystalline conducting nanotubes. Macro-Molecular Rapid Communications 43: 1-9. DOI: 10.1002/marc.202100639
37.Zhao, M., K.J. Lachowski, S. Zhang, S. Alamdari, J. Sampath, P. Mu, C.J. Mundy, J. Pfaendtner, J.J. De Yoreo, C-L Chen, L.D. Pozzo, and A.L. Ferguson. (2022). Hierarchical self-assembly pathways of peptoid helices and sheets. Biomacromolecules 23: 992-1008. DOI: 10.1021/acs.biomac.1c01385
36.Morozovska, A.N., E.A. Eliseev, A. Biswas, N.V. Morozovsky, and S.V. Kalinin. (2021). Effect of surface ionic screening on polarization reversal and phase diagrams in thin antiferroelectric films for information and energy storage. Physical Review Applied 16: 1-18. DOI: 10.1103/PhysRevApplied.16.044053
35.Biswas, A., A.N. Morozovska, M. Ziatdinov, E.A. Eliseev, and S.V. Kalinin. (2021). Multi-objective Bayesian optimization of ferroelectric materials with interfacial control for memory and energy storage applications. Journal of Applied Physics 130: 1-20. DOI: 10.1063/5.0068903
34.Zhao, M. (2021). Hierarchical assemblies of polypeptoids for rational design of advanced functional nanomaterials. Biopolymers 112: 1-14. DOI: 10.1002/bip.23469
33. Zhu, J., N. Avakyan, A. Kakkis, A. Hoffnagle, K. Han, Y. Li, Z. Zhang, T. Choi, Y. Na, C-J Yu, and F.A. Tezcan. (2021). Protein assembly by design. Chemical Reviews 121: 13701-13796. DOI: 10.1021/acs.chemrev.1c00308
32. Li, Z., B. Cai, W. Yang, and C-L Chen. (2021). Hierarchical nanomaterials assembled from peptoids and other sequence-defined synthetic polymers. Chemical Reviews: 121: 14031-14087. DOI: 10.1021/acs.chemrev.1c00024
31. Lee, D.C., K.N. Guye, R.K. Paranji, K. Lachowski, L.D. Pozzo, D.S. Ginger, and S.H. Pun. (2021). Dual-stimuli responsive single-chain polymer folding via intrachain complexation of tetramethoxyazobenzene and β-cyclodextrin. Langmuir 37: 10126-10134. DOI: 10.1021/acs.langmuir.1c01442
30. Muckel, F., K.N. Guye, S.M. Gallagher, Y. Liu, and D.S. Ginger. (2021). Tuning hybrid exciton-photon fano resonances in two-dimensional organic-inorganic perovskite thin films. Nano Letters 21: 6124-6131. DOI: 10.1021/acs.nanolett.1c01504
29. Guye, K.N., H. Shen, M.Y. Yaman, G.Y. Liao, D. Baker, and D.S. Ginger. (2021). Importance of substrate-particle repulsion for protein-templated assembly of metal nanoparticles. Langmuir 37: 9111-9119. DOI: 10.1021/acs.langmuir.1c01194
28. Yaman, M.Y., K.N. Guye, M. Ziatdinov, H. Shen, D. Baker, S.V. Kalinin, and D.S. Ginger. (2021). Alignment of Au nanorods along de novo designed protein nanofibers studied with automated image analysis. Soft Matter 17: 6109-6115. DOI: 10.1039/D1SM00645B
27. Yang, W., Q. Yin, and C-L Chen. (2021). Designing sequence-defined peptoids for biomimetic control over inorganic crystallization. Chemistry of Materials 33: 3047-3065. DOI: 10.1021/acs.chemmater.1c00243
26. Prelesnik, J.L., R.G. Alberstein, S. Zhang, H. Pyles, D. Baker, J. Pfaendtner, J.J. De Yoreo, F.A. Tezcan, R.C. Remsing, and C.J. Mundy. (2021). Ion-dependent protein-surface interactions from intrinsic solvent response. Proceedings of the National Academy of Sciences 118: 1-9. DOI: 10.1073/pnas.2025121118
25. Pushpavanam, K., B. Hellner, and F. Baneyx. (2021). Interrogating biomineralization one amino acid at a time: Amplification of mutational effects in protein-aided titania morphogenesis through reaction-diffusion control. Chemical Communications 57: 4803-4806. DOI: 10.1039/D1CC01521D
24. Pushpavanam, K., J. Ma, Y. Cai, N.Y. Naser, and F. Baneyx. (2021). Solid-binding proteins: Bridging synthesis, assembly, and function in hybrid and hierarchical materials fabrication. Annual Review of Chemical and Biomolecular Engineering. 12: 333-357. DOI: 10.1146/annurev-chembioeng-102020-015923
23. Wang, M., Y. Song, S. Zhang, X. Zhang, X. Cai, Y. Lin, J.J. De Yoreo, and C-L Chen. (2021). Programmable two-dimensional nanocrystals assembled from POSS-containing peptoids as highly efficient artificial light-harvesting systems. Science Advances 7: 1-8. DOI: 10.1126/sciadv.abg1448
22. Kalinin, S.V., S. Zhang, M. Valetti, H. Pyles, D. Baker, J.J. De Yoreo, and M. Ziatdinov. (2021). Disentangling rotational dynamics and ordering transitions in a system of self-organizing protein nanorods via rotationally invariant latent representations. ACS Nano 15: 6471-6480. DOI: 10.1021/acsnano.0c08914
21. Ma, J., B. Cai, S. Zhang, T. Jian, J.J. De Yoreo, C-L Chen, and F. Baneyx. (2021). Nanoparticle-mediated assembly of peptoid naonsheets functionalized with solid-binding proteins: Designing heterostructures for hierarchy. Nano Letters 21: 1636-1642. DOI: 10.1021/acs.nanolett.0c04285
20. Monahan, M., B. Cai, T. Jian, S. Zhang, G. Zhu, C-L Chen, J.J. De Yoreo, and B. Cossairt. (2021). Peptoid-directed assembly of CdSe Nanoparticles. Nanoscale 13: 1273-1282. DOI: 10.1039/D0NR07509D
19. Ziatdinov, M., S. Zhang, O. Dollar, J. Pfaendtner, C.J. Mundy, X. Li, H. Pyles, D. Baker, J.J. De Yoreo, and S.V. Kalinin. (2021). Quantifying the dynamics of protein self-organization using deep learning analysis of atomic force microscopy data. Nano Letters 21: 158-165. DOI: 10.1021/acs.nanolett.0c03447
18. Cai, B., Z. Li, and C-L Chen. (2021). Programming amphiphilic peptoid oligomers for hierarchical assembly and inorganic crystallization. Accounts of Chemical Research 54: 81-91. DOI: 10.1021/acs.accounts.0c00533
17. Alamdari, S., S.J. Roeters, T.W. Golbek, L. Schmüser, T. Weidner, and J. Pfaendtner. (2020). Orientation and conformation of proteins at the air-water interface determined from integrative molecular dynamics simulations and sum frequency generation spectroscopy. Langmuir 36: 11855-11865. DOI: 10.1021/acs.langmuir.0c01881
16. Sampath, J., S. Alamdari, and J. Pfaendtner. (2020). Closing the gap between modeling and experiments in the self-assembly of biomolecules at interfaces and in solution. Chemistry of Materials 32: 8043-8059. DOI: 10.1021/acs.chemmater.0c01891
15. Zhao, M., J. Sampath, S. Alamdari, G. Shen, C- Chen, C.J. Mundy, J. Pfaendtner, and A.L. Ferguson. (2020). MARTINI-compatible coarse-grained model for the mesoscale simulation of peptoids. The Journal of Physical Chemistry B 124: 7745-7764. DOI: 10.1021/acs.jpcb.0c04567
14. Wang, M., Y. Song, P. Mu, X. Cai, Y. Lin, and C-L Chen. (2020). Peptoid-based programmable 2D nanomaterial sensor for selective and sensitive detection of H2S in live cells. ACS Applied Bio Materials 3: 6039-6048. DOI: 10.1021/acsabm.0c00657
13. Ritchhart, A., M. Monahan, J. Mars, M.F. Toney, J.J. De Yoreo, and B.M. Cossairt. (2020). Covalently linked, two-dimensional quantum dot assemblies. Langmuir 36: 9944-9951. DOI: 10.1021/acs.langmuir.0c01668
12. Zhang, S., R.G. Alberstein, J.J. De Yoreo, and F.A. Tezcan. (2020). Assembly of a patchy protein into variable 2D lattices via tunable multiscale interactions. Nature Communications 11: 1-12. DOI: 10.1038/s41467-020-17562-1
11. Zhang, S., J. Chen, J.Liu, H. Pyles, D. Baker, C-L Chen, and J.J. De Yoreo. (2020). Engineering biomolecular self-assembly at solid-liquid interfaces. Advanced Materials (online). DOI: 10.1002/adma.201905784
10. Hellner, B., A.E. Stegmann, K. Pushpavanam, M.J. Bailey, and F. Baneyx. (2020). Phase control of nanocrystalline inclusions in bioprecipitated titania with a panel of mutant silica-binding proteins. Langmuir 36: 8503-8510. DOI: 10.1021/acs.langmuir.0c01108
9. Liu, J., B. Cai, L. Cui, and C-L Chen. (2020). Peptoid-based hierarchically-structured biomimetic nanomaterials: Synthesis, characterization and applications. Science China Materials 63: 1099-1112. DOI: 10.1007/s40843-020-1296-8
8. Sampath, J., A. Kullman, R. Gebhart, G. Drobny, and J. Pfaendtner. (2020). Molecular recognition and specificity of biomolecules to titanium dioxide from molecular dynamics simulations. npj Computational Materials 6: 1-8. DOI: 10.1038/s41524-020-0288-7
7. Li, X., D. Kim, S.M. Neumayer, M. Ahmadi, and S.V. Kalinin. (2020). Estimating presiach density via subset selection. IEEE Access 8: 61767-61774. DOI: 10.1109/ACCESS.2020.2983364
6. Hellner, B., S. Alamdari, H. Pyles, S. Zhang, A. Prakash, K.G. Sprenger, J.J. De Yoreo, D. Baker, J. Pfaendtner, and F. Baneyx. (2020). Sequence-structure-binding relationships reveal adhesion behavior of the Car9 solid-binding peptide: An integrated experimental and simulation study. Journal of the American Chemical Society 142: 2355-2363. DOI: 10.1021/jacs.9b11617
5. Luo, Y., Y. Song, M. Wang, T. Jian, S. Ding, P. Mu, Z. Liao, Q. Shi, X. Cai, H. Jin, D. Du, W-J Dong, C-L Chen, and Y. Lin. (2019). Bioinspired peptoid nanotubes for targeted tumor cell imaging and chemo-photodynamic therapy. Small 15: 1-8. DOI: 10.1002/smll.201902485
4. Sampath, J. and J. Pfaendtner. (2019). Amphiphilic peptide binding on crystalline vs. amorphous silica from molecular dynamics simulations. Molecular Physics 117: 3642-3650. DOI: 10.1080/00268976.2019.1657192
3. Pyles, H., S. Zhang, J.J. De Yoreo, and D. Baker. (2019). Controlling protein assembly on inorganic crystals through designed protein interfaces. Nature 571: 251-256. DOI: 10.1038/s41586-019-1361-6
2. Hellner, B., S.B. Lee, A. Subramaniam, V.R. Subramanian, and F. Baneyx. (2019). Modeling the cooperative adsorption of solid-binding proteins on silica: Molecular insights from surface plasmon resonance measurements. Langmuir 35: 5013-5020. DOI: 10.1021/acs.langmuir.9b00283
1. Dunakey, S.J.G., B.L. Coyle, A. Thomas, M. Xu, B.J.F. Swift, and F. Baneyx. (2019). Selective labeling and decoration of the ends and sidewalls of single-walled carbon nanotubes using mono- and bispecific solid-binding fluorescent proteins. Bioconjugate Chemistry 30: 959-965. DOI: 10.1021/acs.bioconjchem.9b00097
SUBMITTED PAPERS
The following papers have been submitted for publication in peer-reviewed journals.
Learning and Predicting Photonic Responses of Plasmonic Nanoparticle Assemblies via Dual Variational Autoencoders
Yaman, M.Y., S.V. Kalinin, K.N. Guye, D.S. Ginger, and M. Ziatdinov
Thermodynamic Basis for Stabilization of Helical Peptoids by Chiral Sidechains
Alamdari, S., K. Torkelson, X. Wang, C-L Chen, A. Ferguson, and J. Pfaendtner
Semi-Supervised Learning of Images with Strong Rotational Disorder: Assembling Nanoparticle Libraries
Ziatdinov, M.A., M.Y. Yaman, Y. Liu, D. Ginger, and S.V. Kalinin
Optimizing Training Trajectories in Variational Autoencoders via Latent Bayesian Optimization Approach
Biswas, A., R. Vasudevan, M. Ziatdinov, and S.V. Kalinin


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Management Bios
Ross D. Sheckler - Ross has a background in design engineering at McDonnell Douglas, Boeing, and as a consultant to NASA. Ten years ago Ross began to work on transferring aerospace design methods and analysis tools from NASA into the commercial vehicle industry and has since contributed to product line leaders such as Kenworth's T2000, Peterbilt's 387, and Mack's CX Vision and Fusion. Ross' leadership in the truck industry was recognized by the US DoE and he was commissioned as the only private consultant to contribute to their commercial vehicle program under which Ross created the baseline for all current DoE aerodynamic studies, the Generic Conventional Model (GCM).
Vic Suski - With a background in both engineering and the operation of a commercial truck fleet Vic held the role of senior engineer at the American Trucking Association and has been a member of TMC for more than twenty years. Vic has recently semi-retired and contributes to a number of truck efficiency efforts at Calmar.
Robert D. (Bob) Francis - With more than 40 years of Telecom experience, Mr. Bob Francis spent most of his career managing operations for public corporations such as Motorola, GTE, Paradyne, Stromberg-Carlson and General Electric. From 1990 through 1993, he served as President of General DataComm International (NYSE: GDC). In 2001, Mr. Francis helped create Atlantic American Catalyst Group, LLC, (a sister company to Communications Equity Associates, Tampa) to commercialize technologies developed by the U.S. Government. He served as CEO and a Director of this company, based in Tampa, Florida. The first company incubated by Catalyst was Atlantic American Transportation Systems, to be a supplier of Commercial Vehicle Telematics solutions to the long-haul trucking industry. He has also served as a Director and President of Tiger Telematics (TGTL) and a Director and CEO of StarCom Wireless, both companies providing commercial vehicle Telematics services.
For information, contact:
Ross Sheckler, CEO. Calmar Telematics
620 Old Liverpool RD, Liverpool, NY 13088 | Office (315) 626-6800 | Fax (315) 626-6787 | Email info@calmartelematics.com
© 2008 Calmar Telematics. All rights Reserved. | MARKETING BY DIGITAL LIGHTBRIDGE


With several of the largest banks experiencing ethical scandals in recent years, Bank Director digital magazine set out to interview Terry Strange, the audit and compliance committee chair at BBVA Compass Bancshares, the $86.7 billion institution based in Houston. As a former vice chair and managing partner of the U.S. audit practice to KPMG, LLP, he is uniquely qualified to talk about how bank board members can assess the culture of their organization and look for red flags.
Red flags that you have an ethical problem.
What he would have asked Wells Fargo & Co. management.
This video first appeared in the Bank Director digital magazine.


"Win 2k. Sp2 does not support 48bit lba. That may not be his problem but if you are using hdds over 137 you gotta use Sp3 or later."
and yea ive only got that 1 arrary for HD"s.
Failed to copy some or all of the files necessary for integrated install.
b) The format of the destination directory is correct.
(i.e. for an i386 share, if you typed "update /s:c:\cdshare", the files must be in the c:\cdshare\i386 directory).
Message displayed to the user: Failed to copy some or all of the files necessary for integrated install.


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layout: page
title: Chapter 12
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	Chapter 12 - Credit: issaquah.wednet.edu

redpajama_set_name: RedPajamaGithub


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< Electronic Editions
< The Collected Letters of Robert Southey
< Part Four
2509. Robert Southey to Grosvenor Charles Bedford, 2 December 1814
2509. Robert Southey to Grosvenor Charles Bedford, 2 December 1814 *
Friday. 2 Dec. 1814
My dear Grosvenor
Your book [1] arrived this morning, & I have gone thro it. I have always found that what seemed good to me in the mss. seemed better in the printed work, & so I find it now.
Tell me in the first place x if I am indebted to you for this book, or to Mr Roberts. It seems to have been sent from the printer to Murray. And if it be sent by Mr Rs desire, of course if becomes me to write him a letter of acknowledgement. [2]
Tell me in the next place if there be any objection to having an account of it in the Quarterly; & if there be not, you may tell Gifford that I will prepare for one, instanter; – before any person can forestall me. [3]
I must not forget to tell you, what perhaps you know by your own dolorous experience that the Dishonourable the Benchers of Grays Inn insist upon the seven Pounds, in reply to my Memorial. So I must request you to make the payment for me, & see my name struck off, according to their 'order' notified to me by Mr Williams. [4] And then in due time & in proper place I will tell the story, & entitle it Ways & Means or How to raise the Wind. From their suffering exactly the <whole> time to elapse which the statute of limitation allows before they made the demand, it is perfectly clear that the imposition & injustice are intentional. Pay however quietly & express no resentment. [5]
I have not yet seen Roderick. [6] Admire my patience – I desired Longman to send the copies here by waggon, – & when they arrive I shall untie the string.
Herbert began with Jones's Grammar [7] – which is a very bad one. He only uses grammar for reference, & is half thro St Matthews Gospel. These exercises which you sent him are villainous; & would make Dr Bell rage if he were to examine them. But the Moon gets on well.
I am reviewing by wholesale propter paupertatem [8] – God forgive me. Roderick may be extolled, but as for its having a Scottish or a Lord Byronish sale, the thing is impossible. [9] It is literally true that I should write thrice as much poetry as I do, if I could afford it: & for this reason I have in the course of my life spent as much time in reviewing, (speaking within compass) as would have sufficed to producet seven such poems as Roderick & Kehama. [10]
I desired, or meant to desire, that a copy should be sent to Elmsley. Learn for me, when you have an opportunity, whether it has been sent.
Estrada [11] I believe is lucky enough to have escaped to England. Can you, thro Blanco, learn his address. I have some questions to ask which he can answer.
* Address: To/ G. C. Bedford Esqre/ Exchequer/ Westminster
Stamped: KESWICK/ 298
Postmark: E/ 5 DE 5/ 1814
Endorsement: 2 Decr 1814
MS: Bodleian Library, MS Eng. Lett. c. 25. ALS; 4p.
Unpublished. BACK
[1] Grosvenor Bedford's Letters and Miscellaneous Papers … With a Memoir of His Life (1814) of his cousin Barré Charles Roberts, who had died in 1810 aged 21. BACK
[2] See Southey to Edward Roberts, 16 December 1814, Letter 2519. BACK
[3] For Southey's review see Quarterly Review, 12 (January 1815), 509–519. BACK
[4] Unidentified. BACK
[5] Southey had received a bill from Gray's Inn for 'Absent Commons' and explained his case for not paying in a 'Memorial', delivered via Bedford; see Southey to Grosvenor Charles Bedford, 30 October 1814 (Letter 2494) and 4 November 1814 (Letter 2496). Southey had enrolled at Gray's Inn on 7 February 1797, but had abandoned his legal studies on his return from Portugal in 1801. BACK
[6] Roderick, the Last of the Goths (1814). BACK
[7] John Jones (c. 1766–1827; DNB), A Grammar of the Greek Tongue (1808). BACK
[8] 'On account of poverty'. BACK
[9] i.e. a bestseller, like the works of Scott and Byron. BACK
[10] The Curse of Kehama (1810). BACK
[11] Alvaro Florez Estrada (1765–1853), Spanish economist, lawyer and liberal. He was a prominent member of the Cadiz Cortes. He had, indeed, managed to flee to London after Ferdinand VII (1784–1833; King of Spain 1808, 1813–1833) had ordered the arrest of leading liberals on 10 May 1814. He did not return to Spain until the Revolution of 1820. BACK
Bedford, Grosvenor Charles (1773–1839)
People mentioned
Southey, Herbert (1806–1816) (mentioned 2 times)
Roberts, Edward (d. 1835) (mentioned 2 times)
Longman, Thomas Norton (1771–1842) (mentioned 1 time)
Elmsley, Peter (1774–1825) (mentioned 1 time)
White, Joseph Blanco (formerly José María Blanco y Crespo; 1775–1841) (mentioned 1 time)
Bell, Andrew (1753–1832) (mentioned 1 time)
Murray, John Samuel (1778–1843) (mentioned 1 time)
Scott, Walter (1771–1832) (mentioned 1 time)
Gifford, William (1756–1826) (mentioned 1 time)
Byron, George Gordon, 6th Baron Byron (1788–1824) (mentioned 1 time)
The Collected Letters of Robert Southey, Part Four


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Q: Visual Studio 2013 ADO.net entity model does not have Oracle data source I've just installed visual studio 2013 and tried to setup Entity framework to access an oracle database.
I click on new ADO.NET entity model, then Generate from database, but on the data connection screen when I click "New Connection" I don't get oracle appearing the list of datasources. I only get two SQL server options.
Do I need to install something extra to get this to work?
The Oracle data source appears in my 2012 version of visual studio that I've got installed on the same machine, so not sure why it doesn't work in 2013.

A: it has not been released yet
https://forums.oracle.com/message/11239147#11239147
Regards.

A: You are using Entity Framework 6 and in its first release it only has a provider for SqlServer stuff, there is a support from external tools (DevArt) have a look at this page:
Entity Framework 6 Free Oracle Data Provider

A: As of Version 12.1 Release 2 Visual Studio 2013 is supported:
http://www.oracle.com/technetwork/database/windows/newfeatures-084113.html
The Oracle provider is not yet currently built against EF6 so if you are planning on using Entity Framework in MVC5, you need to install EF5 by running "Install-Package EntityFramework -Version 5.0.0" on the Package Manager Console.
If you are starting a bootstrapped MVC5 WebApp don't use the Individual User Account membership provider as it relies on EF6. You can go for one of the many alternate membership providers (http://nugetmusthaves.com/Tag/membership)

A: Yes. It is way more complicated that you would expect.

*

*Go here: http://www.oracle.com/technetwork/topics/dotnet/downloads/index.html and download the appropriate installation file. (You have to create an Oracle account. You can choose a specific version of Visual Studio, or the 300+ MB download will handle multiple versions.)

*Extract the zip file and run setup.exe. (I kept all the defaults.)

*Click the Install button. (Close Visual Studio, by the way) After several minutes, it will finish installing.

*Open Visual Studio, create new ADO.NET entity model, Generate from database, New Connection. This time hopefully you will as your Data Source: Oracle Database (ODP.NET, Managed Driver).

redpajama_set_name: RedPajamaStackExchange


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text:
Tyrone Eagle Eye News • March 11, 2016 • https://tyroneeagleeyenews.com/dixons-season-ends-at-regionals/
Dixon's Season Ends at Regionals
The junior 145 pound grappler finished the regional tourney with a record of 1-2
Terry McCaulley
By Jamal Hicks, staff writer 10
Tyrone junior Sage Dixon wrestled at the PIAA Southwest Regional Wrestling Tournament last Friday and Saturday at Canon McMillan High School in Canonsburg. It was a tough couple days for 145 pound Dixon, but he was able to record a win and finished 1-2 at the tournament.
"I was pleased with how Sage did," said Tyrone Head Coach Mike Cherry, "I would have liked to see him win another match or two but it didn't work out. He got to go there and experience it. Hopefully he will get there next year and advance to the state tournament."
In his first match, Dixon lost by fall to Austin Hemminger of Somerset in one minute and four seconds. Hemminger went on to take 6th place at the tournament.
In his next match Dixon faced Derek Yingling of West Branch. Dixon had a takedown in the first period, gave up an escape in the second, earned an escape of his own in the third to seal the 3-1 decision win.
That win was enough to earn Dixon a trip back for the second day of wrestling. To qualify for the state tournament, Dixon would have needed to win at least two matches on Saturday.
Unfortunately, Dixon was eliminated in his next match, a nail-biter against Darrell Bails of Burgettstown in which Dixon fell short 3-4.
"It was a fairly tight low score match," said Cherry, "Sage was just not able to score at the end."
Dixon's three points came by escapes in each period. Bails came up with an early takedown in the first and a reversal in the third.
"I was pretty happy that I even made it to Regionals," said Dixon, "It was very tough to do but I even surprised myself. I won't lie, I am still very upset about what happened. I just couldn't seem to get a shot off. I have one more year though."
Coach Cherry encouraged Dixon and the other wrestlers to work hard in the off-season to prepare for next year. "Weight lifting, wrestling in tournaments, attending wrestling camps and clinics, going to wrestling club practices, participating in other sports. Any or all of the above will help," said Cherry.


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Home / World / Corridor of Kartarpur: Corridor of Kartarpur: Sushma tied up, two more ministers for Pak event India News
Corridor of Kartarpur: Corridor of Kartarpur: Sushma tied up, two more ministers for Pak event India News
November 24, 2018	World 12 Views
ISLAMABAD / NEW DELHI: India will send two Union ministers, Harsimrat Kaur and Hardeep Puri, to the groundbreaking ceremony for the Kartarpur Corridor in Pakistan, even though Foreign Minister Sushma Swaraj on Saturday rejected Pakistan's invitation.
Islamabad had invited Swaraj, Punjab CM Amarinder Singh and Minister of State Navjot Singh Sidhu to the ceremony on November 28, Pakistan's Foreign Minister Shah Mahmood Qureshi said on Twitter on Twitter.
However, Swaraj responded by saying she would not be able to travel to Kartarpur Sahib due to past commitments, including the election campaign in Telangana. However, she said that since she must pay attention to the feelings of the Indian Sikh citizens and the importance of smooth and easy access to the holy place, India would see the trade union ministers Harsimrat Kaur Badal (Minister of Food Processing) and Hardeep Puri (MoS, Housing and urban affairs) at Kartarpur. She also expressed the hope that Pakistan will accelerate the construction of the corridor.
When Swaraj traveled to Pakistan for the last time ̵
1; in December 2015 – India and Pakistan ended bilateral dialogue.
Corridor development was high on the agenda for the Swaraj Qureshi meeting on the sidelines of the UN General Assembly, as proposed by Khan in September this year. The meeting was canceled by India after the murder of SPOs in J & K.
Pakistan said in a statement that its Kartarpur spirit can be a step in the right direction from conflict to cooperation, hostility to peace and enmity to friendship.
"On behalf of Pakistan, I submitted an invitation to Foreign Minister Sushma Swaraj @SushmaSwaraj, Capt. Amarinder Singh @capt_amarinder & Navjot Singh Sidhu @sherryontopp to attend the laying of the cornerstone at #Kartarpura on 28 November 2018. "Qureshi tweeted.
On behalf of Pakistan, I have submitted an invitation to the Foreign Minister Sushma Swaraj @SushmaSwaraj, Capt. Https://t.co/YxFnkmI1RN (19459003) – Shah Mahmood Qureshi (@SMQureshiPTI)
. "We will not comment until we receive a formal invitation," said Punjab Prime Minister Raveen Thukral's media advisor.
Sidhu, who had a major controversy in August when he embraced Pakistani army chief Gen. Qamar Javed Bajwa during Imran Khan's solemn oath ceremony, said he would participate in the event if he received permission from the center. "I received permission from Captain Amarinder Singh to visit Pakistan for the event on November 28th. I requested permission from the center, "Sidhu said over the phone with Madhya Pradesh.
In India, the National Highways Authority of India (NHAI) said it will build the recently announced corridor to the international border in Punjab. The Ministry of Highways said on Saturday it was a four-lane highway with back roads and other facilities for pilgrims intending to visit Gurudwara Darbar Sahib in Pakistan.
In a release, the Road Transport Ministry said Vice President M Venkaiah Naidu will lay the foundation for building the Corridor Dera Baba Nanak-Kartarpur Sahib on Monday. Minister of Highways Nitin Gadkari and Prime Minister of Punjab, Amarinder Singh, will also attend the ceremony at Mann Village in Gurdaspur district.
The Indian side of the corridor begins in Dera Baba Nanak in the district of Gurdaspur and extends to the international border. "This corridor will be a historic landmark between India and Pakistan and will also boost tourism as more pilgrims visit the holy shrine between two countries later this year," said the ministry.
Guru Nanak Dev had gathered the Sikh community in Kartarpur and lived there for 18 years until 1539. The Gurudwara Darbar Sahib was built where Guru Nanak took his last breath.
On Guru Nanak's 550th birthday in 2019, the government announced on Thursday that it would build the Kartarpur Corridor as an integrated development project. The corridor will allow Sikh pilgrims to visit the famous Gurudwara Darbar Sahib in Kartarpur on the banks of the Ravi River in Pakistan.
Tags Corridor Event India Kartarpur ministers News Pak Sushma tied


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Issue Number 8 • Tuesday, Dec. 6, 2022
Two years ago, senior biology major Kaleb Frierson read about the impact climate change has on humans and focused his career goals on public health. "Ultimately I want to be an emergency physician at a hospital where I can teach, research and practice medicine." He's well on his way — in 2022 he earned Outstanding Undergraduate Research in Biological Sciences, received a summer research fellowship and serves as a teaching assistant and supplemental instructor. A presenter and a published author, teaching enables Kaleb to reflect on his own understanding. The SUNY Cortland Emergency Medical Services club president also manages to be a full-time EMT for Skaneateles/Marcellus Ambulance. An amazing resume of leadership, service, honors and fellowships ensures a bright future for this Campus Champion.
Nominate a Campus Champion
Tuesday, Dec. 6
Honoring Excellence: Teaching, Research and Service Awards Ceremony, Corey Union Function Room, 4:30 to 6:30 p.m.
Wednesday, Dec. 7
Healthy Salad Lunches: Participants bring one ingredient to add to create a shared salad, hosted by EAP, Van Hoesen Hall, Room C-119, 12:15 to 12:45 p.m.
Thursday, Dec. 8
Game Room Party: Take a break from studying, Student Life Center Game Room, 5 to 7 p.m.
Drop-in Chemistry Tutoring: For CHE 227 and CHE 228, Van Hoesen Hall, Room B-205, 6 to 9 p.m.
Friday, Dec. 9
UUP Holiday Gathering: Cortland Beer Company, 5 to 7 p.m.
Performance: The Bone Harp, a staged reading of a new musical, Dowd Fine Arts Center Theatre, 7 p.m.
Fall semester classes end
Saturday, Dec. 10 and Sunday, Dec. 11
Sunday, Dec. 11
PAWS for Stress Relief: Student Life Center 3-Court Gym, noon to 4 p.m.
Moonlight Breakfast: Hosted by Cortland Auxiliary, open to all students regardless of meal plan status, The Bistro, 10 to 11:30 p.m.
Information Session: Student Teaching in Alaska, use the Alaska information session link to join at 6 p.m.
Train the Trainer: Re-Thinking Abilities Workshop, Corey Union, Room 209, 10 a.m. to noon.
Thursday, Jan. 19
Spring 2023 President's State of the University Address: Corey Union Function Room, 9 a.m. A light breakfast will be available beginning at 8:30 a.m. Please RSVP by Friday, Jan. 6.
Monday, Jan. 23
Spring semester classes begin
This is the last issue of The Bulletin for the fall semester. The next issue of The Bulletin will be published on Tuesday, Jan. 24.
Spring 2023 Publication Dates
Bulletin #9 Tuesday, Jan. 24
Bulletin #10 Tuesday, Feb. 7
Bulletin #11 Tuesday, Feb. 21
Bulletin #12 Tuesday, March 7
Bulletin #13 Tuesday, March 21
Bulletin #14 Tuesday, April 4
Bulletin #15 Tuesday, April 18
Bulletin #16 Tuesday, May 2
Psychology class considers pseudoscience
Craig Foster promotes skeptical thinking by busting Bigfoot. read more
Staged reading of 'The Bone Harp' planned
SUNY Cortland students are now fine-tuning the new musical for future professional production. read more
Capture the Moment
SUNY Cortland's women's gymnastics team came together in a pre-routine cheer at its annual Red and White meet on Saturday, Dec. 3 in Park Center. The Red Dragon gymnasts performed routines they plan to use in competition this season, which opens on Jan. 15. They opened the meet by highlighting their three senior captains — Glynis Curcione, Bianca Carr and Abby Bang.
Graduating B.F.A. students to exhibit
Mavis Lefever honored for service
Doing it all to help others
Cortland welcomes new registrar, international programs director
Welcoming new SUNY Chancellor King
Welcoming Provost and Vice President for Academic Affairs Ann McClellan
CALS lecture grant applications due Jan. 31
Cortland Auxiliary Services grant applications due Feb. 17
Suggest a feature story
Faculty/Staff Activities
Kati Ahern had a chapter published in Methods and Methodologies for Research in Digital Writing and Rhetoric. read more
Eric Edlund gave a talk at Colgate University titled "A simplified analysis of orbital interception and rendezvous." read more
Rhiannon Maton had an article published in Radical Teacher. read more
Lori Reichel presented two 70-minute activity-based sessions at the annual NYS AHPERD Conference on Nov. 17. read more
Wylie Schwartz presented a research paper titled "Radical Subjectivity in the Scandinavian Situationist Bauhaus." read more
Tadayuki Suzuki presented "Challenge Heteronormativity and Nurture "Queer Eye" in Children Using LGBTQ-Themed Children's Books" at a conference. read more
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E. Kim Stone, associate professor in the English and Africana Studies departments, died on Saturday, Nov. 26.
The Bulletin is produced by the Communications Office at SUNY Cortland and is published every other Tuesday during the academic year. Read more about The Bulletin. To submit items, email your information to bulletin@cortland.edu
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Giving riders a 420-feet boost, CycloCable is a ski lift-inspired bicycle lift to assist cyclists. The bicycle lifts, first introduced as Trampe in 1993, was recently reintroduced in 2013 as CycloCable to include new safety regulations.
The bicycle lift climbs at a gradient of between 10 and 18 per cent. All the user has to do is put their foot on one of its 11 foot plates attached to a wire rope. The lift operates like the catapults on an aircraft carrier— though nowhere near as fast. After the initial burst it's a simple case of keeping one foot on the plate and the other off the ground to cruise up the hill at 8kph.
The bicycle lift can ferry a maximum of five cyclists each time. It can also accommodate scooters and baby strollers. CycloCable has plans to spread throughout the cities of Europe, USA, Canada and the Far East. Unfortunately, the bicycle lift systems cost between $2,400 and $3,200 per meter. Which is why it probably hasn't caught on yet. So far, however, this bicycle lift has already ferried more than 200,000 cyclists up the hill.
What are you're thoughts on one of these bicycle lifts possibly coming to your town? Share them below. And if you're looking for a stylish new bike to take up the hill, check out this one.


I hope that this post finds you in the best of holiday spirits! Students and staff alike are feeling the holiday cheer and are counting down the days until Christmas break. Along with our regular school work, we have had lots of fun preparing for Christmas by decorating our department (I will post pictures next week).
The biggest news for the week is that our Wake Up Central students have chosen to donate their paychecks back to Wake Up Central for this month so we are able to "adopt" a family for Christmas. We want to instill in the students the value of giving back what you can and when you can :) The students are excited that they will be able to give back and help to make a family's Christmas a little brighter. That's all for now folks, take care!
We have been making lots of coffee and working on employability skills such as exploring our values and how knowing ourselves is the main factor in finding a career that is a good fit. Aside from working, we have had fun decorating for Christmas... wee have decorated the coffee shop, our classroom AND a tree for Central High School's annual Festival of Trees. The tree we are designing has a coffee shop theme, I will post pictures when it is complete.
We have also been very busy in math class. This week we have reviewed and learned new concepts related to banking. Some of the concepts we have discussed are what it means to be Federally Insured, the difference between credit unions and banks, as well as other banking basics. We even got to tour Highmark Federal Credit Union today! The students enjoyed getting an inside view of what happens at a financial institution. We have sure had a great week!


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Home UK RAF assassinates two British ISIS fighters
RAF assassinates two British ISIS fighters
Reyaad Khan and Ruhul Amin
Two British ISIS fighters were killed by an RAF drone strike in the first confirmed British airstrike in Syria, David Cameron has said.
Cardiff-born Reyaad Khan was targeted in Raqqa on 21 August and died alongside fellow Briton Ruhul Amin and another fighter, the PM told MPs.
Khan, 21, had been plotting "barbaric" attacks at UK public events, he said. The "act of self defence" was lawful, Mr Cameron said, despite MPs previously ruling out UK military action in Syria.
Khan was killed in a "precision strike" by a remotely piloted aircraft, "after meticulous planning", while he was travelling in a vehicle, the prime minister said.
The attorney general had been consulted and agreed there was a "clear legal basis" for it, Mr Cameron added.
RAF Tornados Jets
Acting Labour leader Harriet Harman urged the government to publish the legal advice.
Two years ago MPs rejected possible UK military action in Syria, but last September approved British participation in air strikes against ISIS targets in Iraq only.
However, officials said the UK would "act immediately [in Syria] and explain to Parliament afterwards" if there was "a critical British national interest at stake".
In his statement to the Commons, Mr Cameron said: "My first duty as prime minister is to keep the British people safe. There was a terrorist directing murder on our streets and no other means to stop him.
"This government does not for one moment take these decisions lightly. But I am not prepared to stand here in the aftermath of a terrorist attack on our streets and have to explain to the House why I did not take the chance to prevent it when I could have done."
Another British national, Junaid Hussain, from Birmingham, was killed in a separate air strike by US forces in Raqqa on 24 August, the prime minister confirmed.
CAGE condemns killings
Meanwhile, advocacy group CAGE has condemned what it calls "the extrajudicial killing of Britons Reyaad Khan and Ruhul Amin."
In a statement CAGE said: "The UK has joined the US in setting a dangerous international precedent in which a national government acts as judge, jury and executioner on a global scale."
Ibrahim Mohamoud, Communications Officer at CAGE, added: "The UK government has not released a legal justification for the killing of two British nationals in Syria. This may violate safeguards put in place to assess how soon someone is about to make an attack. We question whether Reyaad Khan and Ruhul Amin posed a 'continued imminent threat.'
"British complicity in targeted killings is nothing new for the British government, however admitting responsibility for deliberately targeting and killing its own citizens is unprecedented.
"Extra-judicial killing is the ultimate violation of due process since the victim is not granted a fair trial, and can never seek accountability. The admission by the British government that it killed two of its own, raises crucial questions:
1. Does the British government possess a 'kill list'?
2. What is the threshold for killing a British national on foreign soil without due process?
3. Is secret evidence now sufficient to kill a misguided individual whose capabilities are unknown?
"Based on the flawed logic presented by David Cameron, Vladimir Putin's alleged extrajudicial killing Alexander Litvinenko in London was justified. Such double standards speak of hypocrisy and set a dangerous standard for the world."
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ASTON VILLA want Roy Keane as their assistant manager.
The former Manchester United midfielder yesterday ruled himself out of the running to become Celtic boss.
But Starsport can reveal that he is also considering an offer to work under Paul Lambert at Villa Park.
Lambert is keen on Keane, having seen his previous assistant Ian Culverhouse sacked last month due to disciplinary issues.
Villa made their approach before Keane, currently No.2 to Martin O'Neill with the Republic of Ireland, had talks with Celtic last week.
The FAI yesterday released a statement insisting the 42-year-old is staying on with their national team.
"The Football Association of Ireland today confirmed that Roy Keane will travel with the Republic of Ireland squad to the US after he decided not to pursue the informal talks that took place with Celtic any further."