Timeline for Equivariant perverse sheaves and orbit stratification
Current License: CC BY-SA 4.0
4 events
when toggle format | what | by | license | comment | |
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Oct 4 at 15:21 | comment | added | Sergey Guminov | @AntoineLabelle This seems to be sufficient, see Proposition 6.2.17 of Pramod Achar's book. It basically says that for a connected algebraic group $G$ acting on $X$ any isomorphism between the two pullbacks of a perverse sheaf on $X$ to $G\times X$ gives an equivariant structure. | |
Jul 13, 2023 at 3:20 | comment | added | Antoine Labelle | Is this a sufficient condition for equivariance, or only necessary? | |
Jul 12, 2023 at 22:09 | history | edited | LSpice | CC BY-SA 4.0 |
G -> $G$
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Jul 12, 2023 at 21:05 | history | answered | Justin Hilburn | CC BY-SA 4.0 |