39

Questions

3
1
vote
3
answers
434
views

Finitely generated monoids are finitely presented?

1d ago Benjamin Steinberg 10.7k11449

1
7
votes
1
answer
593
views

What are p-adic period rings?

may 14 at 15:45 Daniel Miller 2,311823

5
6
votes
4
answers
2k
views

“Counter”-example for Gauss’s Lemma on irreducible polynomials

mar 4 at 14:53 Matthé van der Lee 1135

13
12
votes
5
answers
2k
views

Why does the (S2) property of a ring correspond to the Hartogs phenomenon?

oct 13 at 1:41 Sándor Kovács 23.7k25273

1
8
votes
1
answer
209
views

Characterization of schemes whose dualizing complex is perfect

sep 15 at 8:05 Greg Stevenson 5,53811620

5
7
votes
6
answers
1k
views

How do you present a non-existence theorem?

jul 6 at 19:17 Terry Tao 27.8k4107178

3
7
votes
5
answers
1k
views

Representation of Groupoids

apr 20 12 at 20:04 YBL 4,06611428

7
12
votes
2
answers
500
views

What’s the easiest example of a morphism of topoi that is not from that of a site?

apr 17 12 at 15:43 Filippo Alberto Edoardo 1,682512

12
16
votes
5
answers
1k
views

Why are finiteness conditions important (and how to recognize them)?

apr 3 12 at 17:42 Ostap Chervak 2221410

2
7
votes
2
answers
585
views

Can one find the hodge number by counting points over finite fields?

apr 3 12 at 17:13 David Speyer 55.1k3102236

1 2 3 4 next