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arXiv · 2006.02315

Bia{\l}ynicki-Birula decomposition for reductive groups in positive characteristic

Joachim Jelisiejew·Łukasz Sienkiewicz
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Abstract

We prove the existence of Bialynicki-Birula decomposition for Kempf monoids, which is a large class that contains for example monoids with reductive unit group in all characteristics. This extends the existence statements from previous works of Alper-Hall-Rydh and Jelisiejew-Sienkiewicz.

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Joachim Jelisiejew, Łukasz Sienkiewicz. 2020-06-03. Bia{\l}ynicki-Birula decomposition for reductive groups in positive characteristic. https://arxiv.org/abs/2006.02315

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