Weyl Groups, the Hard Lefschetz Theorem, and the Sperner Property

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DOI10.1137/0601021zbMath0502.05004OpenAlexW1981696777MaRDI QIDQ3967539

Richard P. Stanley

Publication date: 1980

Published in: SIAM Journal on Algebraic Discrete Methods (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/0601021

zbMATH Keywords

Weyl group Bruhat order algebraic varieties finite partially ordered sets parabolic subgroup hard Lefschetz theorem complex semisimple algebraic group k-Sperner property

Mathematics Subject Classification ID

Partial orders, general (06A06) Exact enumeration problems, generating functions (05A15) Permutations, words, matrices (05A05) Classical groups (algebro-geometric aspects) (14L35) Linear algebraic groups over the reals, the complexes, the quaternions (20G20)

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Cites Work

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