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math.AG2022★ 1 cited
Graded Hecke algebras and equivariant constructible sheaves on the nilpotent cone
Maarten Solleveld
Graded Hecke algebras can be constructed geometrically, with constructible sheaves and equivariant cohomology. The input consists of a complex reductive group G (possibly disconnec…
math.AG2019★ 4 cited
Conjugacy of Levi subgroups of reductive groups and a generalization to linear algebraic groups
Maarten Solleveld
We investigate Levi subgroups of a connected reductive algebraic group G, over a ground field K. We parametrize their conjugacy classes in terms of sets of simple roots and we prov…