Roman Fedorov's user avatar
Roman Fedorov's user avatar
Roman Fedorov's user avatar
Roman Fedorov
  • Member for 13 years, 10 months
  • Last seen more than a month ago
19 votes
2 answers
5k views

Relatively ample line bundles

15 votes
2 answers
2k views

What is Borel-de Siebenthal theory?

15 votes
4 answers
3k views

Chevalley–Shephard–Todd theorem

14 votes
11 answers
5k views

Elementary mathematical books

9 votes
1 answer
741 views

Is every reductive group scheme etale locally trivial?

8 votes
2 answers
698 views

primes represented by a binary form

8 votes
1 answer
1k views

Are principal bundles isotrivial?

7 votes
2 answers
656 views

Gelfand-Tsetlin bases for Lie groups over finite fields

5 votes
1 answer
1k views

Weyl group elements fixing a set of simple roots

4 votes
0 answers
120 views

Prehomogeneous vector spaces for reductive groups

4 votes
0 answers
241 views

Sections of smooth morphisms over henselian rings

3 votes
0 answers
166 views

Simply-connected covers of group schemes

3 votes
0 answers
205 views

Singularities in mixed characteristic

2 votes
0 answers
229 views

Blowing down a divisor

2 votes
0 answers
97 views

Classification of quadratic submodules in $\mathbb C[[t]]$

2 votes
3 answers
659 views

Green polynomials

2 votes
1 answer
489 views

Tate-Farrell cohomology of a circle

1 vote
1 answer
515 views

Linearization of actions of semi-simple groups

1 vote
0 answers
148 views

Morphisms, inducing isomorphisms on global functions

1 vote
0 answers
275 views

Linear differential equations with regular singularities

0 votes
1 answer
316 views

Cancelling étale morphisms