Jacob Bell's user avatar
Jacob Bell's user avatar
Jacob Bell's user avatar
Jacob Bell
  • Member for 11 years, 8 months
14 votes
2 answers
2k views

Applications of topological chiral homology and factorization algebras (aka higher Hochschild cohomology)

9 votes
1 answer
2k views

what is Deligne's cohomological descent (and what are some examples)

12 votes
1 answer
2k views

got any tricks to build up t-structures on derived categories?

8 votes
1 answer
1k views

Fpqc sheafification and localisation

7 votes
1 answer
883 views

If $X$ is a smooth and proper stack, does it admit a smooth and proper atlas?

18 votes
0 answers
602 views

The Grothendieck Ring of Higher Stacks

0 votes
1 answer
429 views

The locus where a sheaf is supported in a certain dimension

4 votes
0 answers
290 views

The support of a finite type module on an algebraic space

4 votes
0 answers
257 views

What is the structure of the stack of complexes supported in dimension less than r?

4 votes
1 answer
166 views

is there some condition I can impose on families of curves on a surface such that the second Ext between the ideal sheaf and the structure sheaf is zero?