Changjun Wang

activity

20132026

most citedApproximability of the Minimum Weighted Doubly Resolving Set Problem

6 citations · 10 across the 9 of their papers we have counts for

collaborators

Showing math.OCShow all

2 papers · 1 filter

math.OC2026

Online Trading as a Secretary Problem Variant

Xujin Chen, Xiaodong Hu, Changjun Wang +2

This paper studies an online trading variant of the classical secretary problem, called secretary problem variant trading (SPVT), from the perspective of an intermediary who facili…

math.OC2025

Supermodular Maximization with Cardinality Constraints

Xujin Chen, Xiaodong Hu, Changjun Wang +1

Let $V$ be a finite set of $n$ elements, $f : 2^{V} \to R_{+}$ be a nonnegative monotone supermodular function, and $k$ be a positive integer no greater than $n$ . This…