User VA.

73 votes

How do I see LaTeX math on any web page and in email?

answered Apr 23, 2010 at 17:53

57 votes

Accepted

Why do Todd classes appear in Grothendieck-Riemann-Roch formula?

answered Jan 4, 2010 at 2:52

51 votes

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A question regarding a claim of V. I. Arnold

answered Apr 8, 2010 at 12:39

46 votes

Accepted

Why are spectral sequences so ubiquitous?

answered Dec 7, 2009 at 1:09

38 votes

Accepted

Example Wanted: When Does Čech Cohomology Fail to be the same as Derived Functor Cohomology?

answered Mar 29, 2010 at 12:57

38 votes

Accepted

Extending vector bundles on a given open subscheme

answered Apr 21, 2010 at 22:14

37 votes

How do I see LaTeX math on any web page and in email?

answered Jun 8, 2010 at 21:19

37 votes

Is there an underlying explanation for the magical powers of the Schwarzian derivative?

answered Sep 9, 2010 at 23:53

36 votes

Accepted

Why didn't Vladimir Arnold get the Fields Medal in 1974?

answered Jun 5, 2010 at 17:08

32 votes

what mistakes did the Italian algebraic geometers actually make?

answered Mar 27, 2010 at 8:27

30 votes

How much of scheme theory can you visualize?

answered Feb 7, 2010 at 6:15

29 votes

When is a blow-up non-singular?

answered Apr 13, 2010 at 17:54

28 votes

Accepted

Contracting divisors to a point

answered May 13, 2010 at 15:48

25 votes

Accepted

Ample line bundles, sections, morphisms to projective space

answered May 23, 2010 at 3:30

24 votes

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Is the Torelli map an immersion?

answered Dec 19, 2009 at 2:19

21 votes

Varieties cut by quadrics

answered Jan 12, 2010 at 2:18

21 votes

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When are there enough projective sheaves on a space X?

answered Nov 14, 2009 at 0:50

21 votes

Euler-Maclaurin formula and Riemann-Roch

answered Jan 17, 2010 at 20:30

20 votes

What does «generic» mean in algebraic geometry?

answered Mar 29, 2010 at 6:48

19 votes

Sources for BibTeX entries

answered Apr 7, 2010 at 2:21

19 votes

Is the Euler characteristic a birational invariant

answered May 26, 2010 at 4:19

17 votes

Accepted

Differences between reflexives and projectives modules

answered Dec 2, 2009 at 16:08

16 votes

Accepted

Why does the Euler characteristic of a toric variety equal the number of vertices in the defining polytope?

answered May 10, 2010 at 23:04

15 votes

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Confusion about how the first cohomology classifies torsors

answered Apr 29, 2010 at 1:29

15 votes

Applications of the "other" definition of sheaves

answered Nov 23, 2009 at 16:12

13 votes

The importance of EGA and SGA for "students of today"

answered Feb 7, 2010 at 22:02

13 votes

Accepted

What classes am I missing in the Picard lattice of a Kummer K3 surface?

answered Feb 17, 2010 at 22:30

13 votes

What are examples of mathematical concepts named after the wrong people? (Stigler's law)

answered May 10, 2010 at 19:42

13 votes

Accepted

What is known about the MMP over non-algebraically closed fields

answered Apr 30, 2010 at 21:39

12 votes

Applications of algebraic geometry over a field with one element

answered May 4, 2010 at 3:08

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65 Answers

How do I see LaTeX math on any web page and in email?

Why do Todd classes appear in Grothendieck-Riemann-Roch formula?

A question regarding a claim of V. I. Arnold

Why are spectral sequences so ubiquitous?

Example Wanted: When Does Čech Cohomology Fail to be the same as Derived Functor Cohomology?

Extending vector bundles on a given open subscheme

How do I see LaTeX math on any web page and in email?

Is there an underlying explanation for the magical powers of the Schwarzian derivative?

Why didn't Vladimir Arnold get the Fields Medal in 1974?

what mistakes did the Italian algebraic geometers actually make?

How much of scheme theory can you visualize?

When is a blow-up non-singular?

Contracting divisors to a point

Ample line bundles, sections, morphisms to projective space

Is the Torelli map an immersion?

Varieties cut by quadrics

When are there enough projective sheaves on a space X?

Euler-Maclaurin formula and Riemann-Roch

What does «generic» mean in algebraic geometry?

Sources for BibTeX entries

Is the Euler characteristic a birational invariant

Differences between reflexives and projectives modules

Why does the Euler characteristic of a toric variety equal the number of vertices in the defining polytope?

Confusion about how the first cohomology classifies torsors

Applications of the "other" definition of sheaves

The importance of EGA and SGA for "students of today"

What classes am I missing in the Picard lattice of a Kummer K3 surface?

What are examples of mathematical concepts named after the wrong people? (Stigler's law)

What is known about the MMP over non-algebraically closed fields

Applications of algebraic geometry over a field with one element