On the unipotent support of character sheaves.

zbMath1170.20028arXiv0710.0296MaRDI QIDQ953944

David Hézard, Meinolf Geck

Publication date: 7 November 2008

Published in: Osaka Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0710.0296

zbMATH Keywords

character sheavesconnected reductive groupsSpringer correspondenceunipotent supportvirtual charactersirreducible local systemsgeneralized Gelfand-Graev characters

Mathematics Subject Classification ID

Linear algebraic groups over finite fields (20G40) Representation theory for linear algebraic groups (20G05)

Related Items (9)

On a converse theorem for \({\text{G}}_2\) over finite fields ⋮ THE INDUCTIVE BLOCKWISE ALPERIN WEIGHT CONDITION FOR TYPE AND THE PRIME ⋮ Finding characters satisfying a maximal condition for their unipotent support. ⋮ Modular irreducibility of cuspidal unipotent characters ⋮ On unipotent supports of reductive groups with a disconnected centre. ⋮ Geck's conjecture and the generalized Gelfand-Graev representations in bad characteristic ⋮ Generalised Gelfand-Graev representations in bad characteristic ? ⋮ Unnamed Item ⋮ Gamma factors and converse theorems for classical groups over finite fields

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