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kiseki
  • Member for 13 years, 5 months
  • Last seen more than 7 years ago
47 votes
8 answers
24k views

Roadmap for studying arithmetic geometry

40 votes
13 answers
15k 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
805 views

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

8 votes
2 answers
1k views

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

7 votes
1 answer
545 views

relations between log schemes and toric varieties

6 votes
1 answer
757 views

a question of ranks of matrices

5 votes
1 answer
593 views

Formal power series over a henselian ring

5 votes
0 answers
832 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
1 answer
927 views

deformation of stable curve

4 votes
0 answers
424 views

trivial deformation of a smooth affine scheme over complete DVR

4 votes
1 answer
323 views

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

4 votes
1 answer
701 views

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

3 votes
1 answer
180 views

morphism of injective objects

3 votes
3 answers
430 views

Galois action on special fiber of a stable model

3 votes
0 answers
145 views

Curves whose stable reductions do not contain rational curves

3 votes
1 answer
753 views

reduction of elliptic curves

3 votes
0 answers
623 views

An example of almost etale extension

3 votes
0 answers
459 views

questions about cohomology class

2 votes
1 answer
860 views

Is strict Henselian ring a excellent ring?

2 votes
1 answer
336 views

a question about stable curve

2 votes
0 answers
128 views

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

2 votes
1 answer
441 views

good references in moduli stack and stable reduction

2 votes
0 answers
447 views

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

2 votes
1 answer
547 views

Tannakian fundamental group for finitely linear representation of group

2 votes
1 answer
231 views

questions of localization of topos

2 votes
1 answer
231 views

morphism between two elliptic curves over a local field

1 vote
1 answer
181 views

question of topos and site