15

Questions

1
6
votes
3
answers
1k
views

Is the tensor product of regular rings still regular

may 23 11 at 14:38 Tom Goodwillie 26.6k258110

3
4
votes
3
answers
1k
views

How many primes stay inert in a finite (non-cyclic) extension of number fields?

jan 20 10 at 13:06 Mariano Suárez-Alvarez 30.6k768153

5
7
votes
4
answers
985
views

Maps inducing zero on homotopy groups but are not null-homotopic

apr 4 10 at 14:22 David Speyer 55k3102236

3
8
votes
3
answers
884
views

Looking for reference on Serre’s talk “linear rep and number of points mod p”

jun 17 at 15:29 Chandan Singh Dalawat 11.4k13973

6
5
votes
4
answers
775
views

Why the rank of a locally free sheaves is well defined?

jan 31 10 at 1:26 Martin Brandenburg 29.1k245129

2
4
votes
3
answers
669
views

Does reduced+Noetherian space imply Noetherian scheme

jan 30 11 at 15:35 ding8191 411

 
5
votes
0
answers
550
views

Some trivial questions on Tate’s conjectures

apr 29 11 at 4:16 Ying Zhang 66338

2
4
votes
1
answer
335
views

Lemmas on etale cohomology with compact support from the book ‘Arithmetic Duality Theorems’

may 24 at 21:05 SGP 2,614414

1
2
votes
1
answer
326
views

An exercise in group cohomology

apr 6 10 at 15:31 Ying Zhang 66338

1
5
votes
2
answers
308
views

Immerse an affine schemes into $A^n_S$

feb 15 11 at 11:40 Qing Liu 8,5851726

1 2 next