Quantum Fourier Transform, Quantum Phase Estimation, Shors Algorithm, Quantum Computing, Qiskit.
its eigenvalues have a norm of 1. QPE is one of the most important and famous algorithms. It is a key subroutine of Shor’s factoring algorithm and for quantum simulation algorithms. The quantum phase estimation algorithm uses phase kickback to write the phase of U, in the Fourier basis, to the t