Dima Sustretov's user avatar
Dima Sustretov's user avatar
Dima Sustretov's user avatar
Dima Sustretov
  • Member for 14 years, 4 months
  • Last seen more than 1 year ago
21 votes
3 answers
2k views

stacks as Morita equivalence classes

13 votes
4 answers
2k views

non-locally trivial A^n bundles

12 votes
0 answers
462 views

Maurer-Cartan equation for Lie groups/homogeneous space vs. Maurer-Cartan of deformation theory

11 votes
1 answer
813 views

automorphisms of fat points

10 votes
2 answers
493 views

A totally categorical structure with trivial geometry which is not interpretable in the trivial structure

10 votes
1 answer
2k views

Classifying stacks and homotopy type of a point

9 votes
3 answers
3k views

abelian categories vs. additive categories

9 votes
1 answer
679 views

is the presheaf of automorphisms a sheaf?

9 votes
0 answers
261 views

Kodaira embedding theorem for rigid analytic varieties

8 votes
1 answer
287 views

Families of curves on compact complex surfaces and algebraicity

8 votes
0 answers
1k views

Bogomolov-Beauville-Fujiki form, algebraically

8 votes
2 answers
889 views

Is there an algorithm to compute efficiently the dessin d'enfant from a Belyi pair?

8 votes
0 answers
170 views

What classes of complex manifolds are known to be definable in an o-minimal expansion of the real field?

8 votes
1 answer
677 views

an algebraically closed field definable in a real closed field

7 votes
1 answer
229 views

Definability of Morley rank in the theory of Compact Complex Spaces(CCS)

7 votes
1 answer
1k views

construction of the Jacobian of a curve

7 votes
0 answers
226 views

model theory of non-reduced schemes

7 votes
1 answer
559 views

absolute Galois group of the function field of a curve over $\mathbb{F}_p^{alg}$

6 votes
1 answer
289 views

Are definable sets in an o-minimal expansion of the real field locally analytic?

6 votes
1 answer
192 views

why use Crofton's formula in order to prove log-analyticity of volume?

6 votes
2 answers
509 views

commutativity of restriction and Gysin morphisms in a cartesian square

6 votes
2 answers
315 views

Abel-Jacobi map for Mumford curves analytically

6 votes
3 answers
536 views

computing Morley rank using parameters from an arbitrary model

5 votes
0 answers
875 views

formal group laws of Abelian varieties in positive characteristic

5 votes
1 answer
859 views

sections of morphisms of complex spaces

5 votes
0 answers
1k views

Zariski tangent space of a scheme as the vector space of derivations

5 votes
1 answer
612 views

is tensor square of a reduced ring reduced?

5 votes
0 answers
204 views

algebras of algebraic cycles satisfying Hard Lefschetz

5 votes
0 answers
356 views

multiplicative structure on the monodromy weight filtration spectral sequence

5 votes
0 answers
197 views

cohomology of dual intersection complex of a k3 surface