138

Questions
votes newest views recent
2
12
votes
1
answer
438
views

What is the purpose of section 3 of BBD?

apr 12 at 2:12 S. Carnahan♦ 25.6k●41●90

 
1
vote
1
answer
139
views

How would you say that a small category is embedded into functors from a large $C'$ to abelian groups?

apr 8 at 5:00 Mikhail Bondarko 5,876●1●4●21

1
3
votes
0
answers
72
views

Singularity locus in terms of ideals.

apr 6 at 6:41 Mikhail Bondarko 5,876●1●4●21

 
3
votes
0
answers
316
views

When $R/(f)$ is regular?

mar 25 at 11:43 Mikhail Bondarko 5,876●1●4●21

1
2
votes
0
answers
100
views

Regular subscheme of a projective limit of schemes

mar 11 at 8:42 Mikhail Bondarko 5,876●1●4●21

2
4
votes
1
answer
175
views

Which schemes can be presented as limits of smooth varieties?

mar 6 at 10:06 Mikhail Bondarko 5,876●1●4●21

 
0
votes
0
answers
115
views

How would you call a subscheme of a smooth $S$-scheme?

feb 23 at 8:35 Mikhail Bondarko 5,876●1●4●21

1
4
votes
0
answers
110
views

If $X,Y$ are regular and of finite type over $S$, can $X\times _S Y$ be embedded into a regular $S$-scheme?

feb 21 at 21:29 Mikhail Bondarko 5,876●1●4●21

2
5
votes
3
answers
448
views

Applications for intersection (co)homology and for the Decomposition Theorem for students?

feb 17 at 17:07 Geordie Williamson 1,237●4●10

 
4
votes
1
answer
419
views

Should the etale cohomology of a smooth projective variety (over rationals) be semi-simple; why?

feb 27 at 15:16 Daniel Miller 2,311●8●23

1 2 3 4 5 … 14 next