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kiseki
  • Member for 12 years, 1 month
  • Last seen more than 6 years ago
46 votes
8 answers
21k views

Roadmap for studying arithmetic geometry

39 votes
13 answers
14k views

What is a good introductory text for moduli theory?

16 votes
2 answers
4k views

why we need rigid geometry?

12 votes
1 answer
1k views

What is the first cohomology $H_{fppf}^{1}(X, \alpha_{p})$?

8 votes
1 answer
782 views

References about the Grothendieck's way of algebraizing the notions of calculus and differential geometry

8 votes
2 answers
974 views

How to see the geometry and arithmetic of tannakian fundamental groups?

6 votes
1 answer
493 views

relations between log schemes and toric varieties

6 votes
1 answer
750 views

a question of ranks of matrices

5 votes
1 answer
532 views

Formal power series over a henselian ring

5 votes
1 answer
889 views

deformation of stable curve

5 votes
0 answers
708 views

English version of Manin's "Correspondences, motifs and monoidal transformations "

5 votes
2 answers
2k views

how to compute the henselization of some simple rings?

4 votes
0 answers
406 views

trivial deformation of a smooth affine scheme over complete DVR

4 votes
1 answer
292 views

pro-$\ell$ etale fundamental group of a semi-abelian variety

3 votes
1 answer
169 views

morphism of injective objects

3 votes
0 answers
144 views

Curves whose stable reductions do not contain rational curves

3 votes
1 answer
715 views

reduction of elliptic curves

3 votes
0 answers
592 views

An example of almost etale extension

3 votes
0 answers
429 views

questions about cohomology class

3 votes
1 answer
601 views

monodromy action on etale cohomology of proper smooth family over a curve

2 votes
1 answer
798 views

Is strict Henselian ring a excellent ring?

2 votes
1 answer
332 views

a question about stable curve

2 votes
0 answers
126 views

why find a good field extension such that the curve has semi-stable model is important?

2 votes
1 answer
434 views

good references in moduli stack and stable reduction

2 votes
0 answers
439 views

what's the coherent sheaf and sheaf cohomology on Deligne-Mumford stack ?

2 votes
1 answer
503 views

Tannakian fundamental group for finitely linear representation of group

2 votes
3 answers
360 views

Galois action on special fiber of a stable model

2 votes
1 answer
218 views

questions of localization of topos

2 votes
1 answer
229 views

morphism between two elliptic curves over a local field

1 vote
1 answer
176 views

question of topos and site