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15
Math.TechQA.Club
2026-02-23 04:43:15
749
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Adjoints are Kan extensions
Published on
23 Feb 2026 - 4:43
#category-theory
#adjoint-functors
#kan-extensions
168
Views
A question about adjoint functors:
Published on
23 Feb 2026 - 4:48
#category-theory
#adjoint-functors
#natural-transformations
#kan-extensions
223
Views
How to understand the effect of adjoint functors?
Published on
23 Feb 2026 - 4:45
#category-theory
#limits-colimits
#adjoint-functors
#universal-property
#kan-extensions
400
Views
Kan extension and representable functors
Published on
23 Feb 2026 - 4:43
#category-theory
#sheaf-theory
#simplicial-stuff
#kan-extensions
542
Views
Comma categories and Kan Extensions
Published on
23 Feb 2026 - 4:44
#reference-request
#category-theory
#kan-extensions
974
Views
Kan extension as a limit: an example
Published on
23 Feb 2026 - 4:44
#category-theory
#limits-colimits
#kan-extensions
78
Views
Usage of Yoneda lemma to show ${\rm Lan}_K \dashv \mathcal{E}^K$
Published on
23 Feb 2026 - 4:47
#category-theory
#adjoint-functors
#yoneda-lemma
#kan-extensions
50
Views
Isomorphism of Left Kan extensions
Published on
23 Feb 2026 - 4:45
#category-theory
#kan-extensions
95
Views
On the two definitions of derived functor in general triangulated category.
Published on
23 Feb 2026 - 4:47
#category-theory
#homological-algebra
#derived-functors
#triangulated-categories
#kan-extensions
129
Views
Example of Day convolution
Published on
23 Feb 2026 - 4:48
#abstract-algebra
#category-theory
#representation-theory
#bimodules
#kan-extensions
49
Views
Kan extension of a composition
Published on
23 Feb 2026 - 4:44
#category-theory
#kan-extensions
2.9k
Views
Toy examples for Kan extensions
Published on
23 Feb 2026 - 4:43
#reference-request
#category-theory
#big-list
#kan-extensions
96
Views
When is an isomorphism between representable functors natural?
Published on
23 Feb 2026 - 4:44
#category-theory
#yoneda-lemma
#kan-extensions
95
Views
Kan extension and singular cohomology
Published on
23 Feb 2026 - 4:48
#algebraic-topology
#homology-cohomology
#model-categories
#kan-extensions
161
Views
Are extensions of simplicial objects to functors $\mathsf{sSet} \to \mathsf{C}$ Kan extensions?
Published on
23 Feb 2026 - 4:49
#category-theory
#simplicial-stuff
#yoneda-lemma
#kan-extensions
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