VA.'s user avatar
VA.'s user avatar
VA.'s user avatar
VA.
  • Member for 14 years, 4 months
73 votes

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

55 votes
Accepted

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

50 votes
Accepted

A question regarding a claim of V. I. Arnold

44 votes
Accepted

Why are spectral sequences so ubiquitous?

37 votes
Accepted

Extending vector bundles on a given open subscheme

37 votes

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

37 votes

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

36 votes
Accepted

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

31 votes

what mistakes did the Italian algebraic geometers actually make?

31 votes
Accepted

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

29 votes

When is a blow-up non-singular?

29 votes

How much of scheme theory can you visualize?

28 votes
Accepted

Contracting divisors to a point

25 votes
Accepted

Ample line bundles, sections, morphisms to projective space

23 votes
Accepted

Is the Torelli map an immersion?

21 votes

Varieties cut by quadrics

21 votes
Accepted

When are there enough projective sheaves on a space X?

21 votes

Euler-Maclaurin formula and Riemann-Roch

20 votes

What does «generic» mean in algebraic geometry?

19 votes

Sources for BibTeX entries

18 votes

Is the Euler characteristic a birational invariant

16 votes
Accepted

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

16 votes
Accepted

Differences between reflexives and projectives modules

15 votes

Applications of the "other" definition of sheaves

14 votes
Accepted

Confusion about how the first cohomology classifies torsors

13 votes
Accepted

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

13 votes

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

13 votes
Accepted

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

12 votes
Accepted

When two k-varieties with the same underlying topological spaces isomorphic?

12 votes

Why a subvariety of a variety of general type is of general type