2008/01/10 by Bonnafé, Cédric, Rouquier, Raphaël
#Algebraic Geometry (math.AG) #FOS: Mathematics #Group Theory (math.GR)
paper · doi:10.48550/arxiv.0801.1556
We construct explicitly the normalisation of the Bott-Samelson-Demazure-Hansen compactification of Deligne-Lusztig varieties X(w) in their covering Y(w): we retrieve a result by Deligne-Lusztig about the local monodromy around the divisors of the compactification.