Gerhard Roehrle

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20072018

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math.GR2018

The modality of a Borel subgroup in a simple algebraic group of type $E_{8}$

Simon Goodwin, Peter Mosch, Gerhard Roehrle

Let $G$ be a simple algebraic group over an algebraically closed field $k$ , where $char k$ is either 0 or a good prime for $G$ . We consider the modality $\mathrm{mod}(B…

math.GR2007

Alperin's Conjecture for Algebraic Groups

Gerhard Roehrle, Raphael Rouquier

We prove analogues for reductive algebraic groups of some results for finite groups due to Knoerr and Robinson which play a central role in their reformulation of Alperin's conject…

The modality of a Borel subgroup in a simple algebraic group of type E8​

Alperin's Conjecture for Algebraic Groups

The modality of a Borel subgroup in a simple algebraic group of type $E_{8}$