39

Questions

1
8
votes
1
answer
209
views

Characterization of schemes whose dualizing complex is perfect

sep 15 at 8:05 Greg Stevenson 5,53811620

2
7
votes
2
answers
587
views

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

apr 3 12 at 17:13 David Speyer 55.2k3102236

1
7
votes
1
answer
593
views

What are p-adic period rings?

may 14 at 15:45 Daniel Miller 2,311823

1
1
vote
0
answers
133
views

Can one recover an A-algebra from its cotangent complex?

nov 3 11 at 19:48 Yuhao Huang 3,067529

7
12
votes
2
answers
503
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

4
12
votes
7
answers
1k
views

Is there a “knot theory” for graphs?

oct 31 11 at 21:08 Roberto Frigerio 1,849614

5
7
votes
6
answers
1k
views

How do you present a non-existence theorem?

jul 6 at 19:17 Terry Tao 28k4108183

 
7
votes
3
answers
355
views

Can irreducibility of polynomials be figured out in polynomial time?

aug 17 11 at 11:51 Steve Huntsman 8,13912256

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

1
1
vote
0
answers
192
views

What is known about the Picard scheme of a complete toric variety over C?

apr 22 11 at 6:16 Yuhao Huang 3,067529

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