Discrete Morse theory for totally non-negative flag varieties

DOI10.1016/j.aim.2009.10.011zbMath1206.57044arXiv0810.4314OpenAlexW2091452354MaRDI QIDQ962137

Konstanze Rietsch, Lauren K. Williams

Publication date: 6 April 2010

Published in: Advances in Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0810.4314

zbMATH Keywords

total positivityshellabilitydiscrete Morse theorypartial flag varietiesregular CW complexesreflection orders

Mathematics Subject Classification ID

Homogeneous spaces and generalizations (14M17) Algebraic combinatorics (05E99) Semialgebraic sets and related spaces (14P10) Linear algebraic groups over the reals, the complexes, the quaternions (20G20) Classical problems, Schubert calculus (14N15) Homology and homotopy of topological groups and related structures (57T99)

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