On positivity in Hecke algebras

DOI10.1007/BF00147342zbMath0717.20027MaRDI QIDQ753955

Gustav Isaac Lehrer, Matthew J. Dyer

Publication date: 1990

Published in: Geometriae Dedicata (Search for Journal in Brave)

zbMATH Keywords

positivityPoincaré seriesLaurent polynomialsCoxeter groupflag varietiesbasesHecke algebraCoxeter systemstructure constantsintersection complexes

Mathematics Subject Classification ID

Representations of Lie algebras and Lie superalgebras, algebraic theory (weights) (17B10) Representation theory for linear algebraic groups (20G05) Group actions on varieties or schemes (quotients) (14L30) Reflection and Coxeter groups (group-theoretic aspects) (20F55) Conditions on elements (16U99) Representation theory of associative rings and algebras (16G99)

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