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math.FA2022★ 1 cited
Injectivity, stability, and positive definiteness of max filtering
Dustin G. Mixon, Yousef Qaddura
Given a real inner product space V and a group G of linear isometries, max filtering offers a rich class of G-invariant maps. In this paper, we identify nearly sharp conditions und…
math.FA2022
On the concentration of Gaussian Cayley matrices
Afonso S. Bandeira, Dmitriy Kunisky, Dustin G. Mixon +1
Given a finite group, we study the Gaussian series of the matrices in the image of its left regular representation. We propose such random matrices as a benchmark for improvements…