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Victor Petrov
  • Member for 12 years, 3 months
  • Last seen more than 2 years ago
  • St. Petersburg, Russland
11 votes

What "forces" us to accept large cardinal axioms?

9 votes
Accepted

Borel's presentation for the cohomology of a Flag Variety

8 votes

Embeddings of flag manifolds

8 votes

Flag manifolds as incidence correspondences

8 votes
Accepted

The embedding of $\mathfrak{g}_2$ into $\mathfrak{b}_3$ ($\mathfrak{so}_7$) on Chevalley generators

6 votes
Accepted

Reference for parabolic root systems

6 votes

Is quantum turing machine equivalent classical turing machine?

6 votes

Does every reductive group scheme admit a maximal torus?

6 votes
Accepted

Is every reductive group scheme etale locally trivial?

5 votes
Accepted

Serre's special groups and polynomials in Lefschetz element

4 votes

Representation theory of inner forms

4 votes

Reference for nonquasi-split groups of type $E_6$ and $E_7$ over local fields

4 votes
Accepted

Explicit description of SU(2,2)/U

4 votes

Simple Subalgebras of Simple Lie Algebras

4 votes
Accepted

How to verify the characteristic polynomial?

4 votes
Accepted

Constructing algebraic groups of type E6 with split Tits algebras

4 votes

The Tits classes of simply connected simple real groups

3 votes
Accepted

A generalization of Witt's theorem for quaternion algebra isomorphism

3 votes

For what reductive groups $G$ over $K$ are the inner forms classified by $H^1(K, G^{ad})$?

3 votes
Accepted

Reference for showing that $\mathcal{O}(G) \cong U(\mathfrak{g})^{\circ}$ when $G$ is connected and simply connected

3 votes

Existence of symplectic basis

3 votes

About intersections of two totally isotropic subspaces fo a quadratic form

2 votes

Automorphism group of a torsor

2 votes

Examples of group $G=N \rtimes H$ where $N$ and $H$ are as below

2 votes

Hopf algebra of Chevalley group from the root system

2 votes
Accepted

Set of isomorphisms of Pfister forms corresponding to first cohomology of algebraic group

2 votes

Bruhat order and Schubert cycles

2 votes
Accepted

Rost Invariant of $E_7$

2 votes
Accepted

When does F4 split over its homogeneous variety X_4?

1 vote

Chow motive of a fibration