user avatar
user avatar
user avatar
sawdada
  • Member for 5 years, 8 months
  • Last seen more than a week ago
26 votes
1 answer
831 views

What automorphic forms are expected to occur in the zeta function of moduli space of curves?

20 votes
2 answers
790 views

$GL_n(\Bbb Z_p)$ conjugacy classes in a $GL_n(\Bbb Q_p)$ conjugacy class

17 votes
1 answer
774 views

Can Yoneda lemma for smooth projective varieties only use curves?

15 votes
0 answers
616 views

If a polynomial ring is a finite flat module over some subring, is that subring itself a polynomial ring?

14 votes
3 answers
1k views

Existence of non-null-homotopic map from $M^n$ to $S^{n-1}$

14 votes
8 answers
2k views

Applications of the idea of deformation in algebraic geometry and other areas?

13 votes
0 answers
430 views

Hensel lemma and rational points in complete noetherian local ring

12 votes
0 answers
255 views

Mixed characteristic analogue of algebraicity of the diagonal of two-variable power series?

12 votes
2 answers
377 views

Noetherian local ring and the growth of $\dim_k \operatorname{Ext}^i(k,k)$

12 votes
0 answers
537 views

Representation theory of finite groups with additional structures

11 votes
2 answers
997 views

mod p etale cohomology of the special fiber and the generic fiber

11 votes
2 answers
728 views

Distinguish smooth affine algebraic group by its underlying variety

11 votes
1 answer
371 views

When does a locally symmetric space have no odd degree Betti numbers?

11 votes
1 answer
381 views

Finiteness of $H_1 \backslash G / H_2$ and the geometry of the orbits

10 votes
0 answers
208 views

Subvarieties with isomorphic complements

10 votes
2 answers
708 views

Why is Langlands functoriality usually related with period integral in a third group?

10 votes
1 answer
242 views

Iteration of a morphism and flatness

10 votes
0 answers
186 views

Modular version of Mednykh's formula?

10 votes
1 answer
354 views

Numbers of solutions equal on every finite commutative ring

9 votes
1 answer
604 views

Nontrivial p-divisible groups over $\mathbb Z$ for general prime $p$

9 votes
0 answers
413 views

Classification of finite flat group schemes over integers?

9 votes
1 answer
428 views

Structure of the variety of $n$-tuples of $m \times m$ matrices with zero product

9 votes
1 answer
252 views

Group cohomology of modular representations for finite groups of Lie type

9 votes
0 answers
183 views

Recover the field from its Milnor K-groups

8 votes
1 answer
506 views

The (possibly negative) integers arising from sum of elements in any column of the character table

8 votes
1 answer
682 views

Tate modules of commutative group schemes over finite field

8 votes
3 answers
611 views

Number of points of the nilpotent cone over a finite field and its cohomology

7 votes
1 answer
463 views

Classification of smooth algebraic surfaces with a smooth morphism to $\Bbb P^1$

7 votes
0 answers
218 views

Invariant lattices of group representations over a $p$-adic field

7 votes
1 answer
364 views

Is $\operatorname{dim} H^1$ of an abelian variety the same for any Weil cohomology?