65

Questions

8
18
votes
2
answers
2k
views

Kunneth formula for sheaf cohomology of varieties

jan 25 at 3:51 Charles Staats 4,18912047

7
18
votes
2
answers
1k
views

A geometric characterization for arithmetic genus

mar 30 at 18:03 Charles Staats 4,18912047

6
16
votes
3
answers
1k
views

Why does so much recent work involve K3 surfaces?

mar 24 11 at 20:02 J.C. Ottem 8,67811745

11
12
votes
5
answers
2k
views

An advanced exposition of Galois theory

dec 22 10 at 22:17 wildildildlife 6113

3
12
votes
3
answers
1k
views

A nontrivial surface on which any two curves intersect

oct 27 11 at 18:18 Sándor Kovács 23.8k25373

5
11
votes
1
answer
3k
views

Matsumura: “Commutative Algebra” versus “Commutative Ring Theory”

nov 20 10 at 19:13 roy smith 5,0263629

4
11
votes
1
answer
731
views

An elementary proof that the degree of a map of spheres determines its homotopy type

may 21 10 at 22:06 Allen Hatcher 7,31422636

4
11
votes
1
answer
506
views

A Relative Algebraic Hartogs Lemma

sep 9 at 1:43 Charles Staats 4,18912047

4
11
votes
1
answer
954
views

Why is the degree:rank ratio of a vector bundle called its “slope”?

oct 3 at 13:34 Peter Dalakov 1,361510

3
9
votes
1
answer
333
views

Can flatness be specified by a natural coherent sheaf?

sep 8 at 7:06 Sasha 10.1k1717

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