31

Answers
votes newest views recent
8
Which E_∞-spaces are homotopy colimits of k-truncated E_∞-spaces?
6
Boolean non-hypercomplete $(\infty,1)$-toposes
17
What is a simplicial commutative ring from the point of view of homotopy theory?
16
How much do universes matter in topos theory?
15
Delooping and unreduced operads
11
compact objects in model categories and $(\infty,1)$-categories
10
$(\infty, 1)$-Yoneda embedding via the Grothendieck construction
18
Relation between topos and $\infty$-topos
7
Is there a homotopy theory of unbased simply connected spaces?
10
The most general context of Mather’s Cube Theorems
20
What is a symmetric monoidal $(\infty,n)$-category?
15
Why study simplicial homotopy groups?
10
Semi-simplicial versus simplicial sets (and simplicial categories)
25
Are morphisms from affine schemes to arbitrary schemes affine morphisms?
95
If I want to study Jacob Lurie’s books “Higher Topoi Theory”, “Derived AG”, what prerequisites should I have?
13
The weak equivalences in the covariant model structure
19
Stable homotopy category and the moduli space of formal groups
7
Example of a locally presentable $2$-category
6
Is $k[x_1, \ldots, x_n]$ always an integral extension of $k[f_1, \ldots, f_n]$ for a regular sequence $(f_1, \ldots, f_n)$?
47
Hirzebruch’s motivation of the Todd class
42
Is there a high-concept explanation for why “simplicial” leads to “homotopy-theoretic”?
11
The etale site of a closed subscheme and its etale Grothendieck subtopology
4
universal property of module categories internal to a tensor category
12
Free symmetric monoidal $(\infty,n)$-categories with duals
22
What do cohomology operations have to do with the non-existence of commutative cochains over $\mathbb{Z}$?
11
Fibered/cofibered higher categories, relative model structures, slicing, and (∞,2)-category theory
7
Tensor variant of Mitchell’s embedding theorem
13
How often does suspension define an action of Z/2 on a category of module spectra?
13
The space of framed functions
24
What’s so special about the forgetful functor from G-rep to Vect?
1 2 next