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R. Zenklusen

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Preprint Sep 2026

Submodular Maximization over Bipartite Perfect Matchings and Matroid Intersection Bases

Motivated by applications in fairness and foundational questions, we consider the problem of maximizing a monotone submodular function $f\colon 2^E \rightarrow \mathbb{R}_+$ over maximum cardinality sets in the intersection of two matroids on a common ground set $E$. An important special case is submodular perfect matc...

Chandra Chekuri, Lars Rohwedder, Neta Singer et al. · 0 citations
Open access Jul 2026

Single-source unsplittable flows in planar and bounded-genus graphs

The single-source unsplittable flow (SSUF) problem asks to send flow from a common source to terminals with unrelated demands, each terminal being served through a single path. The classical SSUF objective is to minimize the violation of some given arc capacities. A seminal result of Dinitz, Garg, and Goemans showed...

Vera Traub, Laura Vargas Koch, R. Zenklusen · 1 citation

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