45

Questions

7
14
votes
1
answer
647
views

Etale site is useful - examples of using the small fppf site?

dec 31 at 2:43 LMN 1,66510

7
13
votes
6
answers
644
views

Understanding Adjointness of Sheaves in Algebraic Geometry

feb 23 at 4:31 Will Sawin 18.5k12448

3
8
votes
1
answer
256
views

Betti numbers of Proper nonprojective varieties

feb 23 at 14:06 Dmitri 16.6k13677

3
8
votes
3
answers
595
views

Primitive Cohomology Useful?

jan 13 at 15:54 Donu Arapura 13.7k12863

6
8
votes
1
answer
392
views

Points in sites (etale, fppf, … )

jan 6 at 22:14 David Corwin 6,7302356

1
8
votes
1
answer
312
views

Schemes with no nonconstant maps to lower dimensional schemes

dec 15 at 15:28 Sándor Kovács 23.7k25273

6
8
votes
2
answers
365
views

Torsion in cohomology of smooth manifolds

dec 19 at 21:07 Dmitri Pavlov 7,05811344

7
7
votes
2
answers
396
views

Interpreting $f^*f_*$

oct 28 at 6:42 Sasha 9,9231717

2
6
votes
2
answers
318
views

Injective maps on cohomology and Kahler manifolds

oct 1 at 16:04 algori 16k12994

1
6
votes
2
answers
139
views

Topologically embedding curves in Jacobian

feb 21 at 5:10 Andy Putman 18.3k355118

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