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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…
math.OC2023★ 1 cited
One to beat them all: "RYU" -- a unifying framework for the construction of safe balls
Thu-Le Tran, Clément Elvira, Hong-Phuong Dang +1
In this paper, we present a new framework, called "RYU" for constructing "safe" regions -- specifically, bounded sets that are guaranteed to contain the dual solution of a target o…