Question

Is there some $Ext$ group that classifies extensions in the Derived Category?

score 47 · Answer 1 · 2023-06-15 14:38:59

47

Views

Is there some $Ext$ group that classifies extensions in the Derived Category?

Published on 15 Jun 2023 - 14:38

score 133 · Answer 2 · 2026-03-26 22:15:00

133

Views

Computing the homotopy limit of a constant diagram.

Published on 26 Mar 2026 - 22:15

score 80 · Answer 3 · 2026-03-27 22:59:34

80

Views

Standard $n$-simplex visualization

Published on 27 Mar 2026 - 22:59

score 88 · Answer 4 · 2026-03-26 16:05:59

88

Views

Motivating the definition of adjoint equivalence

Published on 26 Mar 2026 - 16:05

score 49 · Answer 5 · 2023-07-14 11:20:10

49

Views

Building Ab from Set just as we build Spectra from Top

Published on 14 Jul 2023 - 11:20

score 49 · Answer 6 · 2026-03-28 13:54:07

49

Views

Construction of 2-category of monoidal categories and (lax) monoidal functors as strict algebra category of a 2-monad

Published on 28 Mar 2026 - 13:54

score 91 · Answer 7 · 2023-07-26 18:11:14

91

Views

Help me understand the diagram category

Published on 26 Jul 2023 - 18:11

score 98 · Answer 8 · 2026-03-28 07:33:48

98

Views

Category objects in $\infty$-groupoids vs Complete Segal Spaces

Published on 28 Mar 2026 - 7:33

score 123 · Answer 9 · 2023-07-29 16:04:24

123

Views

What can we say about the collection of sets $\{s_{ij}\}$ for some particular topos $T$?

Published on 29 Jul 2023 - 16:04

score 144 · Answer 10 · 2026-03-26 20:39:58

144

Views

Mathematical efforts to embed any object into n-dimensional Euclidean space (or spaces)?

Published on 26 Mar 2026 - 20:39

score 60 · Answer 11 · 2026-03-26 22:56:28

60

Views

Geometric realization of a simplicial set depends functorially on the simplicial set

Published on 26 Mar 2026 - 22:56

score 56 · Answer 12 · 2026-03-28 20:15:25

56

Views

Characterisation of terminal category in the 2-category sense

Published on 28 Mar 2026 - 20:15

score 50 · Answer 13 · 2023-08-05 11:28:58

50

Views

(Reference) Can every category be turned into a category of categories (monoids)?

Published on 05 Aug 2023 - 11:28

score 50 · Answer 14 · 2026-03-26 14:18:44

50

Views

Functor with two successive adjoints is a localization

Published on 26 Mar 2026 - 14:18

score 72 · Answer 15 · 2026-03-28 02:07:54

72

Views

Is there more concise representation of simplicial sets than complete enumeration of its simplices and gluings - application to ∞-categories?

Published on 28 Mar 2026 - 2:07

List Question

Is there some $Ext$ group that classifies extensions in the Derived Category?

Computing the homotopy limit of a constant diagram.

Standard $n$-simplex visualization

Motivating the definition of adjoint equivalence

Building Ab from Set just as we build Spectra from Top

Construction of 2-category of monoidal categories and (lax) monoidal functors as strict algebra category of a 2-monad

Help me understand the diagram category

Category objects in $\infty$-groupoids vs Complete Segal Spaces

What can we say about the collection of sets $\{s_{ij}\}$ for some particular topos $T$?

Mathematical efforts to embed any object into n-dimensional Euclidean space (or spaces)?

Geometric realization of a simplicial set depends functorially on the simplicial set

Characterisation of terminal category in the 2-category sense

(Reference) Can every category be turned into a category of categories (monoids)?

Functor with two successive adjoints is a localization

Is there more concise representation of simplicial sets than complete enumeration of its simplices and gluings - application to ∞-categories?

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