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15
Math.TechQA.Club
2026-03-25 07:43:58
231
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Clarification on Natural Transformations of Bifunctors
Published on
25 Mar 2026 - 7:43
#category-theory
#natural-transformations
1.4k
Views
Dynamical systems for pure mathematicians?
Published on
31 Mar 2026 - 12:12
#reference-request
#category-theory
#dynamical-systems
220
Views
Classification of monoidal closed structures
Published on
27 Mar 2026 - 12:45
#category-theory
#big-list
#monoidal-categories
#big-picture
1.5k
Views
Universal properties for kernels and cokernels
Published on
18 Aug 2019 - 17:02
#abstract-algebra
#category-theory
222
Views
injective envelope in the category of left exact functors
Published on
03 Apr 2026 - 20:43
#category-theory
#homological-algebra
#abelian-categories
#algebraic-k-theory
263
Views
Does Isomorphism $\Rightarrow$ Bijective hold in every concrete category?
Published on
25 Mar 2026 - 18:04
#proof-verification
#category-theory
#functors
240
Views
The structure of contractible complexes
Published on
02 Apr 2026 - 0:18
#category-theory
#modules
#representation-theory
#homological-algebra
146
Views
Isomorphism that is not a bijection in underlying sets?
Published on
25 Mar 2026 - 17:37
#category-theory
#homotopy-theory
#cw-complexes
287
Views
What are the final objects of the $Arrow(Set)$ category?
Published on
19 Aug 2019 - 20:00
#category-theory
745
Views
Category of multisets
Published on
31 Mar 2026 - 15:34
#category-theory
#multisets
148
Views
If $F$ is representable, then $G$ is representable? If $G$ is representable, then is $F$ representable?
Published on
20 Aug 2019 - 22:47
#category-theory
86
Views
Reference request for "higher order" adjoint functors?
Published on
25 Mar 2026 - 9:22
#reference-request
#category-theory
#abelian-categories
#adjoint-functors
#derived-functors
841
Views
The category of Compact Hausdorff spaces is special: why? In which other contexts bijections are automatically isomorphisms of objects?
Published on
29 Mar 2026 - 20:21
#general-topology
#reference-request
#category-theory
#banach-spaces
152
Views
Where can I find or could you provide the definition of a category using dependent types?
Published on
25 Mar 2026 - 23:38
#category-theory
#definition
#computer-science
#type-theory
#programming
199
Views
Why are quotient maps in $\mathsf{Top}$ extremal epimorphisms?
Published on
24 Aug 2019 - 7:00
#general-topology
#category-theory
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