Certain subgroups of Weyl groups are split

DOI10.1090/conm/562/11133zbMath1258.20007arXiv1006.0269OpenAlexW1660537270MaRDI QIDQ2895458

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Publication date: 2 July 2012

Published in: New Trends in Noncommutative Algebra (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1006.0269

zbMATH Keywords

Schur indicatorsfinite Weyl groupscomplex representationsFrobenius-Schur indicesrationality of representations

Mathematics Subject Classification ID

Ordinary representations and characters (20C15) Reflection and Coxeter groups (group-theoretic aspects) (20F55)

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Frobenius-Schur indicators for subgroups and the Drinfel’d double of Weyl groups

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