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pbelmans
  • Member for 12 years, 1 month
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95 votes
2 answers
10k views

Riemann hypothesis via absolute geometry

  • 5,012
32 votes
2 answers
2k views

Is the moduli space of curves defined over the field with one element?

24 votes
1 answer
778 views

Can we just use effective descent morphisms (pure morphisms) as covers?

16 votes
0 answers
573 views

Lifting DG-categories to characteristic zero

  • 24.5k
15 votes
1 answer
569 views

Multiplicativity twisted Hochschild Kostant Rosenberg isomorphism

  • 6,183
12 votes
1 answer
510 views

Is a "smooth" finite-dimensional algebra separable modulo its radical?

  • 4,782
11 votes
0 answers
384 views

What is Koszul dual of a curve?

  • 5,096
10 votes
0 answers
566 views

A model category for descent?

  • 59.5k
8 votes
5 answers
1k views

Grothendieck topology for a non-small category

8 votes
1 answer
506 views

Relation between dualization complex, cotangent complex and Deligne-Du Bois complex?

  • 952
5 votes
0 answers
194 views

Extension of sheaf of Azumaya algebras and derived equivalence

  • 3,158
5 votes
0 answers
116 views

Hochschild cohomology of an Azumaya algebra

1 vote
1 answer
294 views

Multiplicative structure for sheaf cohomology of flag varieties