Perverse sheaves and ๐ถ*-actions
Perverse sheaves and ๐ถ*-actions
where t * x denotes the action of t on x. The set Xw is known to be a locally-closed C* -stable algebraic subvariety of X isomorphic to an affine space. The pieces Xw form a cell decomposition X = UWEWXw, w E W, the socalled Bialynicki-Birula decomposition. We assume โฆ