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user42024
  • Member for 10 years, 3 months
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14 votes
2 answers
781 views

1-st cohomology of multiplicative group in a vector space

7 votes
0 answers
583 views

Automorphisms of semistable $G$-bundles

5 votes
0 answers
117 views

Under what assumption on a proper map does the preimage of sufficiently small neighborhood is homotopy equivalent to the fiber?

4 votes
1 answer
239 views

Boundness of torsion in $R^i\pi_*\mathcal F$ for a smooth $\pi:X\rightarrow S$

3 votes
0 answers
322 views

Etale cohomology of rigidification

3 votes
0 answers
112 views

Cohomologies of $[V/GL_n]$ in characteristic $p$ for a representation $V$ of $GL_n$

2 votes
0 answers
107 views

Question about GIT: when is the map $\pi:X//_\theta G\rightarrow X//G$ birational?

1 vote
0 answers
80 views

Conical resolution with torsion in the 1st homology group

1 vote
1 answer
330 views

Torsion in relative Picard group