2 papers
math.GM2026
On the structure of the Gram matrix for Gabor systems generated by B-splines
Martin Buck, Christina Frederick, Kasso Okoudjou +1
We consider the Gabor system generated by a continuous, compactly supported function over the time-frequency lattice generated by…
math.SP2024
Tight Frames Generated By A Graph Short-Time Fourier Transform
Martin Buck, Kasso Okoudjou
A graph short-time Fourier transform is defined using the eigenvectors of the graph Laplacian and a graph heat kernel as a window parametrized by a non-negative time parameter .…