User kiseki

46 votes

8 answers

21k views

Roadmap for studying arithmetic geometry

asked Apr 16, 2010 at 11:01

39 votes

13 answers

14k views

What is a good introductory text for moduli theory?

ag.algebraic-geometry big-list moduli-spaces

asked Oct 29, 2010 at 13:00

16 votes

2 answers

4k views

why we need rigid geometry?

arithmetic-geometry

asked Jan 7, 2012 at 8:34

12 votes

1 answer

1k views

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

ag.algebraic-geometry arithmetic-geometry

asked Jan 1, 2016 at 7:38

8 votes

1 answer

782 views

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

ag.algebraic-geometry reference-request

asked Jun 27, 2012 at 13:02

8 votes

2 answers

974 views

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

ag.algebraic-geometry arithmetic-geometry nt.number-theory

asked Mar 7, 2013 at 11:05

6 votes

1 answer

493 views

relations between log schemes and toric varieties

ag.algebraic-geometry

asked Feb 16, 2013 at 13:37

6 votes

1 answer

750 views

a question of ranks of matrices

linear-algebra matrices

asked Aug 10, 2013 at 5:48

5 votes

1 answer

532 views

Formal power series over a henselian ring

ac.commutative-algebra

asked Feb 18, 2013 at 12:48

5 votes

1 answer

889 views

deformation of stable curve

ag.algebraic-geometry

asked Jan 24, 2013 at 9:15

5 votes

0 answers

708 views

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

ag.algebraic-geometry

asked Jun 25, 2012 at 4:10

5 votes

2 answers

2k views

how to compute the henselization of some simple rings?

ac.commutative-algebra ag.algebraic-geometry

asked Feb 10, 2012 at 4:12

4 votes

0 answers

406 views

trivial deformation of a smooth affine scheme over complete DVR

ag.algebraic-geometry

asked Apr 6, 2013 at 7:13

4 votes

1 answer

292 views

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

arithmetic-geometry ag.algebraic-geometry

asked May 11, 2013 at 13:36

3 votes

1 answer

169 views

morphism of injective objects

derived-categories homological-algebra

asked Mar 28, 2013 at 12:57

3 votes

0 answers

144 views

Curves whose stable reductions do not contain rational curves

ag.algebraic-geometry arithmetic-geometry

asked Jul 11, 2012 at 13:19

3 votes

1 answer

715 views

reduction of elliptic curves

ag.algebraic-geometry elliptic-curves neron-models

asked Sep 10, 2012 at 7:31

3 votes

0 answers

592 views

An example of almost etale extension

arithmetic-geometry ag.algebraic-geometry

asked Nov 29, 2012 at 8:05

3 votes

0 answers

429 views

questions about cohomology class

ag.algebraic-geometry

asked Jan 30, 2012 at 9:19

3 votes

1 answer

601 views

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

ag.algebraic-geometry

asked May 20, 2014 at 7:38

2 votes

1 answer

798 views

Is strict Henselian ring a excellent ring?

ag.algebraic-geometry ac.commutative-algebra

asked May 18, 2012 at 23:48

2 votes

1 answer

332 views

a question about stable curve

ag.algebraic-geometry

asked Mar 13, 2012 at 11:25

2 votes

0 answers

126 views

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

arithmetic-geometry

asked Apr 24, 2012 at 6:19

2 votes

1 answer

434 views

good references in moduli stack and stable reduction

ag.algebraic-geometry arithmetic-geometry reference-request

asked Aug 2, 2011 at 12:58

2 votes

0 answers

439 views

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

ag.algebraic-geometry stacks

asked Dec 17, 2011 at 5:55

2 votes

1 answer

503 views

Tannakian fundamental group for finitely linear representation of group

ag.algebraic-geometry

asked Dec 25, 2012 at 2:49

2 votes

3 answers

360 views

Galois action on special fiber of a stable model

ag.algebraic-geometry

asked Jan 27, 2013 at 11:56

2 votes

1 answer

218 views

questions of localization of topos

topos-theory ct.category-theory

asked Mar 30, 2013 at 9:46

2 votes

1 answer

229 views

morphism between two elliptic curves over a local field

arithmetic-geometry ag.algebraic-geometry

asked May 1, 2013 at 7:04

1 vote

1 answer

176 views

question of topos and site

ag.algebraic-geometry topos-theory

asked Mar 28, 2013 at 7:12

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39 Questions

Roadmap for studying arithmetic geometry

What is a good introductory text for moduli theory?

why we need rigid geometry?

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

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

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

relations between log schemes and toric varieties

a question of ranks of matrices

Formal power series over a henselian ring

deformation of stable curve

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

how to compute the henselization of some simple rings?

trivial deformation of a smooth affine scheme over complete DVR

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

morphism of injective objects

Curves whose stable reductions do not contain rational curves

reduction of elliptic curves

An example of almost etale extension

questions about cohomology class

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

Is strict Henselian ring a excellent ring?

a question about stable curve

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

good references in moduli stack and stable reduction

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

Tannakian fundamental group for finitely linear representation of group

Galois action on special fiber of a stable model

questions of localization of topos

morphism between two elliptic curves over a local field

question of topos and site