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math.RT2020★ 2 cited
Orthogonality relations for deep level Deligne--Lusztig schemes of Coxeter type
Olivier Dudas, Alexander B. Ivanov
In this paper we prove some orthogonality relations for representations arising from deep level Deligne--Lusztig schemes of Coxeter type. This generalizes previous results of Luszt…
math.AG2020★ 1 cited
The Drinfeld stratification for
Charlotte Chan, Alexander B. Ivanov
We define a stratification of Deligne--Lusztig varieties and their parahoric analogues which we call the Drinfeld stratification. In the setting of inner forms of GLn, we study the…