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math.OC2024
Sparsity of Quadratically Regularized Optimal Transport: Bounds on concentration and bias
Johannes Wiesel, Xingyu Xu
We study the quadratically regularized optimal transport (QOT) problem for quadratic cost and compactly supported marginals and . It has been empirically observed that the o…
cs.LG2024
Agnostic Active Learning of Single Index Models with Linear Sample Complexity
Aarshvi Gajjar, Wai Ming Tai, Xingyu Xu +3
We study active learning methods for single index models of the form , where and ${\mathb…