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15
Math.TechQA.Club
2020-06-20 19:44:11
193
Views
Using Yoneda to establish natural isomorphisms?
Published on
20 Jun 2020 - 19:44
#category-theory
#yoneda-lemma
#natural-transformations
171
Views
Why is important to know if transformations between functors is natural or not?
Published on
16 Jul 2020 - 21:43
#category-theory
#natural-transformations
82
Views
Show naturality of $\infty$-natural transformation
Published on
31 Jan 2023 - 14:01
#category-theory
#functors
#model-categories
#natural-transformations
171
Views
Equivalence of categories and colimits
Published on
22 Mar 2026 - 12:24
#category-theory
#limits-colimits
#functors
#natural-transformations
#equivalence-of-categories
107
Views
$F\dashv G\dashv F\implies F,G$ are equivalences of categories
Published on
15 Mar 2023 - 12:58
#category-theory
#adjoint-functors
#functors
#natural-transformations
67
Views
Question on why the isomorphism $A \cong \mathbf{Z}^n \oplus \text{Tor} A$ is not natural -- A clarification of Riehl's choice of group?
Published on
19 Mar 2023 - 0:18
#category-theory
#natural-transformations
46
Views
Topological analogue to natural transformation? (in the same way that natural isomorphisms are categorical homotopies)
Published on
25 Mar 2023 - 3:22
#reference-request
#category-theory
#homotopy-theory
#natural-transformations
93
Views
How to go about proving theorems about category theory?
Published on
25 Mar 2026 - 0:17
#proof-writing
#category-theory
#natural-transformations
#yoneda-lemma
200
Views
On the existence of a category of functors
Published on
22 Mar 2026 - 23:28
#category-theory
#functors
#natural-transformations
58
Views
Representing object for a functor mapping a category to composable morphisms
Published on
25 Mar 2026 - 1:33
#category-theory
#functors
#morphism
#natural-transformations
#hom-functor
40
Views
Pulling Back Natural Transformations Along Functors
Published on
13 Apr 2023 - 23:30
#category-theory
#functors
#natural-transformations
149
Views
Dualising the Yoneda lemma.
Published on
11 May 2023 - 19:15
#category-theory
#functors
#natural-transformations
#yoneda-lemma
83
Views
Presheaf is terminal iff it maps every object to a singleton
Published on
23 Feb 2026 - 7:59
#category-theory
#sheaf-theory
#natural-transformations
#yoneda-lemma
#terminal-objects
145
Views
Do all Functors have a natural transformation from the identity functor?
Published on
16 May 2023 - 21:22
#category-theory
#functors
#natural-transformations
188
Views
Understanding the solution of Exercise 4.1.32 in Tom Leinster "Basic Category Theory".
Published on
24 Mar 2026 - 20:44
#algebraic-topology
#category-theory
#adjoint-functors
#natural-transformations
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