Positroids and Schubert matroids
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Publication:640850
DOI10.1016/j.jcta.2011.06.006zbMath1231.05061arXiv0803.1018OpenAlexW2090366362MaRDI QIDQ640850
Publication date: 21 October 2011
Published in: Journal of Combinatorial Theory. Series A (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/0803.1018
matroidpositroidLe-diagramdecorated permutationSchubert matroidtotally nonnegative part of the Grassmannian
Grassmannians, Schubert varieties, flag manifolds (14M15) Combinatorial aspects of matroids and geometric lattices (05B35)
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