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Algebraic Geometry and Number Theory seminar - ISTA - Shared screen with speaker view
Lior Silberman
02:51:22
vertical axis
Lior Silberman
02:56:36
The spaces are not locally symmetric if the subgroups are not reductive.
Lior Silberman
02:59:10
doesn't the map go the other way, with functions being pulled back along it?
Tim Browning
03:04:21
D. Luna, Variétés sphériques de type A, Publ. Math. Inst. Hautes Études Sci. (2001),no. 94, 161–226.
Peng
03:10:06
Is the base field assumed to be C?
Lior Silberman
03:10:15
dual of the derivative of the G action
Lior Silberman
03:10:58
For those not familiar with toric varieties: is this supposed to be a special case or a generalization?
Lior Silberman
03:12:54
what is \check{M} ?
Lior Silberman
03:18:30
thanks
Lior Silberman
03:20:56
does this classification "explain" where the SL_2 comes into the theory of Arthur parameters
Lior Silberman
03:29:36
Is every hyperspherical variety a contagent space?
Justin Hilburn
03:33:04
It is basically Gale duality. Given an exact sequence of tori 1->T->(C^*)^n->F->1. The dual to T acting on T^*C^n is T^L acting on T^*C^n//F^L
Justin Hilburn
03:33:32
I just meant to say that it isn’t T^*C^n//G dual to T^*C^n//F^L
Tamas HAUSEL
03:34:00
thanks
Lior Silberman
03:44:23
How do I get a group element from a point of X?
Lior Silberman
03:47:45
Should the sum be over \Phi(\gamma.g.x_0) ?
Justin Hilburn
03:54:16
Here is Davide’s paper: https://arxiv.org/abs/1609.09030
Justin Hilburn
03:54:43
The BAA brane was made rigorous by Ginzburg-Rozenblyum
Tamas HAUSEL
03:57:01
tx
Lior Silberman
04:11:57
Thanks
Yannis Tziligakis
04:15:45
Great talk David. Unfortunately I have to leave, would it be possible to share David's annotated slides on the seminar's website?
Tamas HAUSEL
04:18:04
will do
Justin Hilburn
04:20:24
D-module on Bun_G quantizes BAA on Hitch_G
Tamas HAUSEL
04:21:05
tx
Justin Hilburn
04:35:41
It is just the conormal