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20232026
most citedGeneralization Error Analysis for Sparse Mixture-of-Experts: A Preliminary Study

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math.PR2026

Small-Ball Marginals Do Not Control Restricted Eigenvalues by Euclidean Gaussian Width

Jinze Zhao

Banerjee, Chen, and Sivakumar asked at COLT 2015 whether a uniform small-ball condition on the rows of a random design matrix forces a restricted-eigenvalue lower bound whose sampl…