Timo Schürg
  • Member for 12 years, 3 months
1 answers
29 votes
2k views
13 bookmarks
Why is Riemann-Roch for stacks so hard?
1 answers
21 votes
2k views
10 bookmarks
Motivic Cohomology vs. Chow for singular varieties?
4 answers
14 votes
2k views
11 bookmarks
When is a scheme a zero-set of a section of a vector bundle?
2 answers
13 votes
2k views
11 bookmarks
Obstruction bundle for spaces with Kuranishi structure
0 answers
8 votes
426 views
5 bookmarks
Lifting sections of bundles
3 answers
7 votes
1k views
5 bookmarks
When does f-nef imply nef (after twisting?)
1 answers
6 votes
235 views
2 bookmarks
Forgetting and tensoring up for very connective maps of $E_{\infty}$-rings
1 answers
5 votes
498 views
4 bookmarks
Does adding degeneracies to a semi-simplicial diagram change the homotopy colimit?
2 answers
5 votes
950 views
2 bookmarks
Does a closed immersion of an affine scheme in a smooth scheme factor over an open affine subscheme?
4 answers
3 votes
686 views
2 bookmarks
Does every projective A/I-module come from A?
1 answers
2 votes
289 views
1 bookmarks
k-th Chow Group and k-th graded part of K_0 ismorphic for DM-stacks?