From the 1 of 5 linked papers with an AI index.
5 papers
The HRT Conjecture for Symmetric Configurations and Real-Valued Functions
Shuang Guan, Kasso A. Okoudjou
The paper proves the Heil‑Ramanathan‑Topiwala (HRT) conjecture for an infinite family of symmetric time‑frequency configurations and shows it holds for any four distinct points whe…
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…
On the Injectivity of STFT Phase Retrieval with super-exponential decaying window function
Shuang Guan, Kasso A. Okoudjou
We investigate the uniqueness of short-time Fourier transform phase retrieval problems in . In particular, for underlying window functions whose Fourier transform…
Abelian and Dihedral equiangular tight frames of redundancy
Radel Ben Av, Xuemei Chen, Assaf Goldberger +1
This paper studies group frames (-frames) where the unitary group representation can be projective. When the group is abelian, for most combinations , we show that $ETF(N,…
Orthogonal Polynomials on Bubble-Diamond Fractals
Elena Axinn, Calvin Osborne, Kasso A. Okoudjou +2
We develop a theory of polynomials and, in particular, an analog of the theory of Legendre orthogonal polynomials on the bubble-diamond fractals, a class of fractal sets that can b…