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cs.DS2026
DAG Covers for Structured Graphs: The Steiner Point Effect
Sujoy Bhore, Hsien-Chih Chang, Jonathan Conroy +4
Given a weighted digraph , a -DAG cover is a collection of dominating DAGs such that all distances are approximately preserved: for every pair $(u,v…
cs.CG2026
Charting the Diameter Computation Landscape of Geometric Intersection Graphs in Three Dimensions and Higher
Timothy M. Chan, Hsien-Chih Chang, Jie Gao +3
Recent research on computing the diameter of geometric intersection graphs has made significant strides, primarily focusing on the 2D case where truly subquadratic-time algorithms…