65

Questions
votes newest views recent
 
2
votes
0
answers
51
views

Hypersurfaces containing a general chain of lines

may 23 at 22:16 Charles Staats 4,189●1●20●47

2
29
votes
0
answers
272
views

Reasons to prefer one large prime over another to approximate characteristic zero

may 16 at 0:57 Charles Staats 4,189●1●20●47

7
18
votes
2
answers
1k
views

A geometric characterization for arithmetic genus

mar 30 at 18:03 Charles Staats 4,189●1●20●47

14
20
votes
6
answers
2k
views

What is the inverse image sheaf necessary for in algebraic geometry?

mar 14 at 18:13 Jiangwei Xue 295●5

6
18
votes
0
answers
1k
views

Why “open immersion” rather than “open embedding”?

feb 9 at 4:23 greg 1

8
18
votes
2
answers
2k
views

Kunneth formula for sheaf cohomology of varieties

jan 25 at 3:51 Charles Staats 4,189●1●20●47

2
2
votes
1
answer
175
views

Techniques for showing that a curve is not smoothable

dec 3 at 12:12 Jason Starr 1,900●8●14

19
31
votes
17
answers
4k
views

Slick ways to make annoying verifications

oct 29 at 21:33 Adam Hughes 600●1●4●10

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 1,361●5●10

4
11
votes
1
answer
506
views

A Relative Algebraic Hartogs Lemma

sep 9 at 1:43 Charles Staats 4,189●1●20●47

1 2 3 4 5 … 7 next