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math.RT2022★ 1 cited
Super invariant theory in positive characteristic
Kevin Coulembier, Pavel Etingof, Alexander Kleshchev +1
We study invariant theory of the general linear supergroup in positive characteristic. In particular, we determine when the symmetric group algebra acts faithfully on tensor supers…
math.RT2022★ 1 cited
Perfecting group schemes
Kevin Coulembier, Geordie Williamson
We initiate a systematic study of the perfection of affine group schemes of finite type over fields of positive characteristic. The main result intrinsically characterises and clas…