Daniel Bergh
  • Member for 12 years, 3 months
  • Last seen more than 1 year ago
16 answers
222 votes
52k views
148 bookmarks
What elementary problems can you solve with schemes?
7 answers
98 votes
17k views
70 bookmarks
What is the field with one element?
5 answers
78 votes
12k views
88 bookmarks
how does one understand GRR? (Grothendieck Riemann Roch)
17 answers
64 votes
14k views
66 bookmarks
Good introductory references on algebraic stacks?
5 answers
48 votes
4k views
50 bookmarks
What (if anything) unifies stable homotopy theory and Grothendieck's six functors formalism?
13 answers
39 votes
13k views
62 bookmarks
What is a good introductory text for moduli theory?
7 answers
37 votes
3k views
17 bookmarks
Is an algebraic space group always a scheme?
4 answers
29 votes
4k views
27 bookmarks
The Jouanolou trick
2 answers
29 votes
1k views
13 bookmarks
Etale cohomology can not be computed by Cech
2 answers
25 votes
2k views
20 bookmarks
Profinite groups as étale fundamental groups
2 answers
23 votes
3k views
21 bookmarks
Is a universally closed morphism of schemes quasi-compact ?
4 answers
23 votes
3k views
10 bookmarks
What are Picard categories, where can I learn more about them, and why should I care to?
4 answers
22 votes
3k views
23 bookmarks
Conceptualizing Weil Pairing for elliptic curves ( and number fields)
1 answers
22 votes
1k views
15 bookmarks
Do line bundles descend to coarse moduli spaces of Artin stacks with finite inertia?
2 answers
22 votes
3k views
11 bookmarks
Rigid analytic spaces vs Berkovich spaces vs Formal schemes
1 answers
21 votes
2k views
5 bookmarks
Does formally etale imply flat for noetherian schemes?
3 answers
21 votes
6k views
37 bookmarks
Finite type/finite morphism
4 answers
20 votes
5k views
20 bookmarks
Algebraic de Rham cohomology vs. analytic de Rham cohomology
1 answers
19 votes
550 views
4 bookmarks
List of known Fourier Mukai partners?
1 answers
16 votes
682 views
11 bookmarks
Representability of Weil Cohomology Theories in Stable Motivic Homotopy Theory
1 answers
15 votes
2k views
16 bookmarks
Explicit integral representation theory
1 answers
15 votes
1k views
10 bookmarks
Why does finitely presented imply quasi-separated ?
1 answers
14 votes
927 views
15 bookmarks
Why $K(X) \longrightarrow G (X)$ is a Poincaré duality for K-theory?
3 answers
14 votes
5k views
16 bookmarks
Pullback of the canonical divisor between smooth varieties
6 answers
13 votes
2k views
14 bookmarks
Quasi-coherent sheaves in the Functor-of-points approach
1 answers
12 votes
1k views
4 bookmarks
Are root stacks characterized by their divisor multiplicities?
2 answers
12 votes
897 views
7 bookmarks
Rationality of GIT quotients
2 answers
11 votes
2k views
13 bookmarks
Global sections of flat scheme also flat?
2 answers
10 votes
1k views
9 bookmarks
Complete intersections and flat families
6 answers
10 votes
2k views
7 bookmarks
Proofs in the same vein as Ax-Grothendieck