content_image/302019.jpg content_image/302021.jpg content_image/302015.jpg content_image/302020.jpg content_image/302023.jpg
Define 

<img src='content_image/302019.jpg'>

As we have seen in the proof of Lemma 3.3, we have for t ∈ N ( s$_{i,n}$ ) 

and therefore 

Lastly, we have by the same argument as above 

which completes the proof. 

Remark 3.5 . Given a grid s$_{1}$, . . . , s$_{d}$$_{(}$$_{n}$$_{)}$ with pertaining ε$_{n}$ , the bandwidth h$_{n}$ := ε 2 n 

<img src='content_image/302021.jpg'>

<img src='content_image/302015.jpg'>

<img src='content_image/302020.jpg'>

<img src='content_image/302023.jpg'>

would, for example, satisfy the required growth conditions entailing convergence of 

