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Oct
18
comment References for crystal bases and Demazure modules in representation theory
Thanks @PerAlexandersson
Sep
26
comment Notes on flag varieties and Grassmannians for beginners
Thanks all for the helpful references. I already knew some of them but definitely the comments and replies helped.
Sep
26
accepted Notes on flag varieties and Grassmannians for beginners
Sep
20
asked Notes on flag varieties and Grassmannians for beginners
Mar
11
asked Geodesic rays in a toric variety
Jul
27
awarded  Commentator
Jul
27
comment References for crystal bases and Demazure modules in representation theory
Many thanks @JimHumphreys for the two references.
Jul
22
revised References for crystal bases and Demazure modules in representation theory
edited tags
Jul
22
asked References for crystal bases and Demazure modules in representation theory
Jul
2
awarded  Curious
Apr
23
accepted Random walk in a convex body or convex polytope
Apr
22
comment Random walk in a convex body or convex polytope
Thanks @Igor for the reference.
Apr
22
asked Random walk in a convex body or convex polytope
Apr
13
accepted Fubini-Study metric for an infinite dimensional Hilbert space
Apr
13
accepted Weil reciprocity vs Artin reciprocity
Feb
17
comment Interesting behaviour of Brion's formula under a degenerate change of variables
I actually have been interested in very similar (perhaps the same) question some years ago. I think I can give an algebro-geometric (not combinatorial) argument for why the vertices that are not mapped to the vertices of $\phi(P)$ do not appear in the formula, at least for the case of $P =$ a Gelfand-Zetlin polytope. I would be very much interested to know if you have a combinatorial argument in this case.
Feb
17
awarded  Editor
Feb
17
revised Initial ideal of k-th power of an ideal
added 6 characters in body
Feb
17
answered Initial ideal of k-th power of an ideal
Nov
4
comment Continuity of volume of GIT quotients
Thanks a lot Allen.