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20222026
most citedBeyond GAP screening for Lasso by exploiting new dual cutting half-spaces with supplementary material

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math.OC2026

A Crawling Metric on the Space of Subtrees of a Tree

Thu-Le Tran, Cao Minh Quang, Nguyen Chi Tam +1

We propose a crawling metric on the space of subtrees of a tree. The symmetric difference cannot tell whether two disjoint subtrees are close or far; we halve it and add the gap be…

math.OC2026

On the Duality between Feature and Sample Screening

Thu-Le Tran

Feature and sample screening reduce the cost of machine learning by eliminating irrelevant features and noninformative samples, respectively. Although recognized as primal-dual cou…