Skip to main content

All Questions

Filter by
Sorted by
Tagged with
5 votes
1 answer
508 views

Are equivariant perverse sheaves constructible with respect to the orbit stratification?

[Moved here from MSE] Consider a variety $X$ over a field $k$ (complex numbers is fine) with the action of a group scheme $G$, and a $G$-equivariant perverse sheaf $F$ over $X$. Question. Is it true ...
W.Rether's user avatar
  • 455
3 votes
1 answer
251 views

About decomposition theorem BBD with respect to some stratification

I want to follow up a question from here (how to deduce version 1.a. from version 1). I know a version of decomposition theorem BBD: Version 1. Let $f:X\to Y$ be a (surjective) proper map of complex ...
Toan's user avatar
  • 133