Matroids of combinatorially formal arrangements are not determined by their points and lines

zbMath1491.05047arXiv1903.11925MaRDI QIDQ2145988

Tilman Möller

Publication date: 15 June 2022

Published in: Séminaire Lotharingien de Combinatoire (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1903.11925

zbMATH Keywords

formalitymatroidarrangementfree erectionweak map image

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)

Uses Software

• SageMath

Cites Work

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• Line-closed matroids, quadratic algebras, and formal arrangments
• Random matroids
• Free arrangements and relation spaces
• The First Two Obstructions to the Freeness of Arrangements
• Erecting Geometries*

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