Author

Z. Song

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Jul 2026

Improved RIP Bounds for Gaussian Partial Circulant Matrices

We prove an improved restricted isometry bound for Gaussian partial circulant matrices with arbitrary prescribed sampling sets. There is a universal constant $C>0$ such that the following holds. Let $1\leq K\leq m\leq N$ be positive integers, let $\Omega\subset\mathbb Z_N$ be any fixed set with $|\Omega|=m$, and let $g...

Z. Song · arXiv.org · 0 citations