Regularity theorem for totally nonnegative flag varieties
From MaRDI portal
Publication:2199824
DOI10.1090/jams/983zbMath1448.14047arXiv1904.00527OpenAlexW3155723035MaRDI QIDQ2199824
Pavel Galashin, Steven N. Karp, Thomas Lam
Publication date: 14 September 2020
Published in: Séminaire Lotharingien de Combinatoire, Journal of the American Mathematical Society (Search for Journal in Brave)
Full work available at URL: https://arxiv.org/abs/1904.00527
total positivityalgebraic groupaffine Kac-Moody groupRichardson varietytotally nonnegative Grassmannianpartial flag varietyRichardson varietiespositroid cellspositroid cell
Grassmannians, Schubert varieties, flag manifolds (14M15) Positive matrices and their generalizations; cones of matrices (15B48) Linear algebraic groups over the reals, the complexes, the quaternions (20G20) Combinatorial aspects of simplicial complexes (05E45) Combinatorial aspects of algebraic geometry (05E14)
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