A characterization of positroids, with applications to amalgams and excluded minors

DOI10.1016/J.EJC.2024.104040zbMATH Open1548.0507MaRDI QIDQ6612309

Joseph E. Bonin

Publication date: 30 September 2024

Published in: European Journal of Combinatorics (Search for Journal in Brave)

zbMATH Keywords

direct sums of positroidsmulti-parameter infinite families of excluded minors

Mathematics Subject Classification ID

Matroids in convex geometry (realizations in the context of convex polytopes, convexity in combinatorial structures, etc.) (52B40) Combinatorial aspects of matroids and geometric lattices (05B35) Structural characterization of families of graphs (05C75)

Cites Work

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• Base-sortable matroids and Koszulness of semigroup rings
• Polypositroids
• Connectivity gaps among matroids with the same enumerative invariants

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