A construction of pseudo-reductive groups with non-reduced root systems

David Stewart, Gerhard Roehrle, Michael Bate, Damian Sercome

Research output: Contribution to journalArticlepeer-review

Abstract

We describe a straightforward construction of the pseudo-split absolutely pseudo- simple groups of minimal type with irreducible root systems of type BCn; these exist only in characteristic 2. We also give a formula for the dimensions of their irreducible modules.
Original languageEnglish
Number of pages22
JournalTransformation Groups
Early online date24 Feb 2024
DOIs
Publication statusE-pub ahead of print - 24 Feb 2024

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