Petre Petrov has some unusual ideas about sampling theory. He recently sent me a number of his papers, which I have listed below. The papers are interesting, but I can't vouch for their accuracy or ...

Shift-invariant spaces form a fundamental class of function spaces where elements can be represented as linear combinations of translates of one or more generating functions. This concept is pivotal ...

A research team at POSTECH has developed a novel multidimensional sampling theory to overcome the limitations of flat optics. Their study not only identifies the constraints of conventional sampling ...