Roman

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seen Jan 9 '13 at 22:35

Dec
14
awarded  Teacher
Dec
14
answered Euler-Maclaurin formula and Riemann-Roch
Nov
30
comment representation theory of Cartan type simple algebra in positive characteristic
Thanks for the references!
Nov
30
comment representation theory of Cartan type simple algebra in positive characteristic
Thank you!! Is there a survey where some of this (representation theory, not the classification of Lie algebras) is explained?
Nov
29
asked representation theory of Cartan type simple algebra in positive characteristic
Nov
28
comment cotangent to flags as a quiver variety
Of course I am considering a generic $\theta$ in order to get cotangent bundle which is nonsingular variety. For example $\theta=(1,...,1)$.
Nov
27
comment cotangent to flags as a quiver variety
I just mean the usual $\theta$ stability, as defined for example in Ginzburg's notes cited
Nov
26
awarded  Student
Nov
26
asked cotangent to flags as a quiver variety
Jun
16
comment blow-ups of secant varieties
Can you give an example when X_k isn't smooth? -- thanks