User Hailong Dao

83 votes

5 answers

14k views

How to find ICM talks?

asked Apr 1, 2010 at 13:28

78 votes

9 answers

26k views

Irreducibility of polynomials in two variables

asked Feb 3, 2010 at 22:49

44 votes

13 answers

20k views

How to draw knots with LaTeX?

asked Apr 15, 2010 at 6:33

42 votes

4 answers

8k views

Serre intersection formula and derived algebraic geometry?

asked Jan 18, 2010 at 21:16

40 votes

3 answers

2k views

Good user manuals for technical topics?

asked Apr 25, 2010 at 17:53

39 votes

2 answers

6k views

What is Serre's condition (S_n) for sheaves?

asked Apr 22, 2010 at 18:03

35 votes

3 answers

5k views

Matrix factorizations and physics

asked Dec 25, 2009 at 7:29

30 votes

4 answers

2k views

When can we cancel vector bundles from tensor products?

asked Apr 9, 2010 at 22:59

29 votes

14 answers

2k views

Webpages for specialized communities

asked Feb 9, 2011 at 23:50

21 votes

4 answers

2k views

The first female algebraist in US/Britain?

asked Mar 11, 2021 at 1:54

21 votes

6 answers

3k views

A ring such that all projectives are stably free but not all projectives are free?

asked Jun 8, 2010 at 4:08

21 votes

1 answer

2k views

Two conjectures by Gabber on Brauer and Picard groups

asked Dec 2, 2009 at 1:24

21 votes

2 answers

1k views

What properties define open loci in excellent schemes?

asked Feb 24, 2010 at 5:03

19 votes

4 answers

867 views

Size of sets with complete double

asked Oct 19, 2019 at 18:03

16 votes

3 answers

1k views

What to do when your research runs into a computationally challenging problem?

asked Jul 30, 2011 at 17:30

16 votes

2 answers

2k views

Sets that are not sum of subsets

asked Oct 31, 2021 at 3:39

16 votes

6 answers

2k views

Sum of $n$ vectors in $(\mathbb Z/n)^k$

asked Dec 5, 2009 at 18:14

16 votes

9 answers

4k views

How to motivate the skein relations?

asked Apr 5, 2010 at 17:29

14 votes

1 answer

2k views

Why does this matrix have zero determinant?

asked Oct 27, 2019 at 5:54

13 votes

4 answers

5k views

How to cite math journals?

asked Mar 8, 2011 at 4:16

13 votes

0 answers

496 views

Are the supports of $Ext^i(M,N)$ eventually periodic?

asked Jul 17, 2010 at 20:20

13 votes

1 answer

563 views

Intersection of subvarieties versus ranks of Chow groups modulo numerical equivalences

asked Oct 9, 2010 at 18:19

13 votes

2 answers

967 views

Does torsion-freeness of class group localize?

asked Dec 26, 2009 at 7:57

12 votes

2 answers

658 views

Maps between K-groups induced by rings homomorphism

asked Dec 18, 2009 at 21:22

11 votes

2 answers

1k views

Class groups of normal domains over finite fields

asked Nov 28, 2009 at 19:55

11 votes

3 answers

1k views

Existence of non-commutative desingularizations

asked Feb 6, 2010 at 2:34

11 votes

1 answer

1k views

Flat cohomology and Picard groups

asked Jan 2, 2010 at 18:15

11 votes

2 answers

1k views

Finite vector bundles over punctured affine spaces

asked Dec 31, 2010 at 5:21

11 votes

1 answer

1k views

A missing paper by Auslander?

asked Aug 5, 2011 at 19:44

11 votes

2 answers

682 views

Genus of smooth varieties with small Chow group

asked Sep 25, 2011 at 4:27

Stack Exchange Network

62 Questions

How to find ICM talks?

Irreducibility of polynomials in two variables

How to draw knots with LaTeX?

Serre intersection formula and derived algebraic geometry?

Good user manuals for technical topics?

What is Serre's condition (S_n) for sheaves?

Matrix factorizations and physics

When can we cancel vector bundles from tensor products?

Webpages for specialized communities

The first female algebraist in US/Britain?

A ring such that all projectives are stably free but not all projectives are free?

Two conjectures by Gabber on Brauer and Picard groups

What properties define open loci in excellent schemes?

Size of sets with complete double

What to do when your research runs into a computationally challenging problem?

Sets that are not sum of subsets

Sum of $n$ vectors in $(\mathbb Z/n)^k$

How to motivate the skein relations?

Why does this matrix have zero determinant?

How to cite math journals?

Are the supports of $Ext^i(M,N)$ eventually periodic?

Intersection of subvarieties versus ranks of Chow groups modulo numerical equivalences

Does torsion-freeness of class group localize?

Maps between K-groups induced by rings homomorphism

Class groups of normal domains over finite fields

Existence of non-commutative desingularizations

Flat cohomology and Picard groups

Finite vector bundles over punctured affine spaces

A missing paper by Auslander?

Genus of smooth varieties with small Chow group