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15
Math.TechQA.Club
2026-04-15 09:45:20
70
Views
Unique homomorphism from the semiproduct of two groups to a third? (Universal property)
Published on
15 Apr 2026 - 9:45
#group-theory
#category-theory
284
Views
Definition of stalks of etale sheaves.
Published on
11 May 2026 - 6:44
#algebraic-geometry
#category-theory
#etale-cohomology
124
Views
ultraproduct and colimits in C*-algebras
Published on
14 Apr 2026 - 22:02
#abstract-algebra
#category-theory
#operator-algebras
253
Views
Connected categories and connected limits
Published on
13 Apr 2026 - 12:25
#category-theory
353
Views
Can there be more than one natural transformation between two functors?
Published on
12 Apr 2026 - 5:40
#category-theory
171
Views
Category Theory and Graph of a Function
Published on
16 Apr 2026 - 21:53
#category-theory
272
Views
What has the Yoneda lemma to do with this saying?
Published on
14 Apr 2026 - 15:35
#soft-question
#category-theory
1k
Views
Why don't we take clopen maps as morphisms of the category of topological spaces?
Published on
11 May 2026 - 7:24
#abstract-algebra
#general-topology
#category-theory
#morphism
113
Views
Terminology Question About Equalizers
Published on
10 Apr 2026 - 18:36
#category-theory
#terminology
187
Views
What is lost when kernels are defined in a category enriched over pointed sets?
Published on
12 Apr 2026 - 22:39
#category-theory
#limits-colimits
128
Views
Understanding Mac Lane's definition of a Functor Representation
Published on
11 Apr 2026 - 0:51
#category-theory
534
Views
Topology and Category Theory
Published on
19 Apr 2026 - 5:04
#general-topology
#category-theory
93
Views
Difference between (co)algebras and $F$-(co)algebras
Published on
16 Apr 2026 - 15:27
#category-theory
#algebras
#coalgebras
280
Views
Coproduct and inclusion maps
Published on
10 Apr 2026 - 13:51
#elementary-set-theory
#category-theory
554
Views
Applications of Monadicity theorems
Published on
11 May 2026 - 4:15
#algebraic-geometry
#category-theory
#big-list
#monads
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