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

We describe a straightforward construction of the pseudo-split absolutely pseudo-simple groups of minimal type with irreducible root systems of type $BC_n$; these exist only in characteristic $2$. We also give a formula for the dimensions of their irreducible modules.

Bibliographische Detailangaben

Hauptverfasser:	Bate, Michael, Röhrle, Gerhard, Sercombe, Damian, Stewart, David I
Format:	Artikel
Sprache:	eng
Schlagworte:	Mathematics - Group Theory
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