38,088 reputation
244115
bio website
location
age
visits member for 3 years, 9 months
seen 8 hours ago

Jun
14
answered Every category is the free category for a given graph?
Jun
11
answered Zariski vs analytic cohomology of $\mathcal O_X^\times$
Jun
9
answered Is there way to formalize the idea that a category can be “cocomplete from the inside”?
Jun
3
answered An equivalence of categories of presheaves.
Jun
1
answered Coproduct of $(0,1)$-Algebras
Jun
1
answered In the definition of $n$-equivalence, what is the motivation for only requiring surjectivity on the $n$th dimension.
May
29
answered Computing the Zariski cotangent space
May
28
answered Can an abelian group be turned into two nonisomorphic vector spaces by different actions of the same field?
May
28
answered On what sets can $\mathfrak{S}_n$ act transitively?
May
26
answered How to construct a quasi-category from a category with weak equivalences?
May
25
answered Why is the 'mapping space' between two objects in a quasi-category a Kan complex?
May
25
answered De Rham cohomology for $\mathbb{R^2}$
May
23
answered Does there always exist finitely presented submodules?
May
21
answered The dense topology
May
17
answered When will a pointed category / arrow category be cartesian closed / a model category if the base category is cartesian closed / a model category?
May
13
answered Affine open sets of a scheme after a base change
May
8
answered Sheaf condition for subcoverings
May
8
answered Category of accessible functors and its closedness
May
8
answered Is there a nice topology on Aut(C)?
May
6
answered Sheaf condition for finite coverings