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math.CO2026
Matroid correspondence
Colin Crowley, Changxin Ding, Haoxi Hu +7
Motivated by algebraic correspondences and linear operators associated with volume and Lorentzian polynomials, we introduce matroid correspondences and their polymatroid analogues.…
math.CO2026
Homology of Vietoris-Rips complexes of hypercube graphs via group actions
Federico Galetto, Jonathan Montaño, Zoe Wellner
The Vietoris-Rips complex of a metric space is the simplicial complex whose faces are the subsets of points with pairwise distance bounded above by a given scale . In this paper…