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cs.IT2025
Optimal compressed sensing for mixing stochastic processes
Yonatan Gutman, Adam Śpiewak
Jalali and Poor introduced an asymptotic framework for compressed sensing of stochastic processes, demonstrating that any rate strictly greater than the mean information dimension…
math.DS2025
On the regularity of time-delayed embeddings with self-intersections
Adam Śpiewak
We study regularity of the time-delayed coordinate maps \[ϕ_{h,k}(x) = (h(x), h(Tx), \ldots, h(T^{k-1}x))\] for a diffeomorphism of a compact manifold and smooth observable…