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algebraic combinatorics 1asymptotic resurgence 1computational algebra 1facet ideals 1functorial constructions 1graphic matroids 1graph theory 1hamiltonian graphs 1linear operators 1Lorentzian polynomials 1matroid theory 1polymatroids 1

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math.CO2026

Matroid correspondence

Colin Crowley, Changxin Ding, Haoxi Hu +7

The paper introduces matroid correspondences, a functorial framework linking matroids and polymatroids, and shows how standard matroid operations arise from it while preserving rep…