Roman Bezrukavnikov

Perverse sheaves and $t$-structures on the thin and thick affine flag varieties

We study the categories \mathrm{Perv}_{\mathrm{thin}} , \mathrm{Perv}_{\mathrm{thick}} of Iwahori-equivariant perverse sheaves on the thin and thick affine flag varieties associated to a split reductive group G . An earlier work of the first author describes \mathrm{Perv}_{\mathr...