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nfdc23
  • Member for 6 years, 7 months
  • Last seen more than 4 years ago
55 votes
Accepted

Which philosophy for reductive groups?

33 votes
Accepted

what is $\mathrm{Bun}(G)$?

27 votes

Surprisingly short or elegant proofs using Lie theory

23 votes
Accepted

Automorphism group of real orthogonal Lie groups

22 votes
Accepted

Is a one-dimensional compact complex analytic space necessarily projective?

19 votes

congruent number problem

19 votes
Accepted

Is the assignment of a root system to a complex semisimple Lie algebra functorial?

19 votes

Clarifying the connection between 'etale locally' and 'formally locally'

17 votes
Accepted

Algebraic spaces as locally ringed spaces

17 votes
Accepted

Irreducible representations of simple complex groups

17 votes

Condition for quasi-splitting of special orthogonal group

15 votes
Accepted

When do real analytic functions form a coherent sheaf?

14 votes

Semisimple representations of discrete groups

14 votes
Accepted

Witt-vector vectors

13 votes

First Galois cohomology of Weil restriction of $\mathbb{G}_m$

13 votes

Albanese variety over non-perfect fields

13 votes
Accepted

Etale cohomology with coefficients in $\mathbb{Q}$

13 votes
Accepted

A reductive group has a quasi-split inner form

13 votes

Reduction mod $n$ of symplectic group

12 votes
Accepted

Why is the unipotent radical of a parabolic subgroup unimodular?

11 votes

Reduction mod $p$ map is injective?

11 votes
Accepted

Reinterpreting Galois descent over finite fields

10 votes
Accepted

Lie algebra and base change

10 votes

Why are anisotropic tori compact?

10 votes

Reference request: correspondence between central simple algebras and quadratic forms

10 votes
Accepted

The Picard group of a semisimple algebraic group in positive characteristic

9 votes
Accepted

Commutative group algebraic spaces

9 votes
Accepted

Compactness of the automorphic quotient

9 votes
Accepted

Elementary question about Langlands decomposition

9 votes
Accepted

Regular functions on a product of varieties