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15
Math.TechQA.Club
2026-04-15 11:20:34
243
Views
Yoneda Lemma on Generalized Elements
Published on
15 Apr 2026 - 11:20
#category-theory
84
Views
Identity as a Function From the Terminal Object to $Hom(x,x)$
Published on
14 Apr 2026 - 2:12
#category-theory
266
Views
End of Hom-profunctor in Grp
Published on
26 Mar 2026 - 6:21
#group-theory
#category-theory
#limits-colimits
#functors
2.3k
Views
Do exact functors preserve injectivity/surjectivity of maps?
Published on
12 Apr 2026 - 6:40
#abstract-algebra
#category-theory
58
Views
Proposed Counter-Example to "Equivalences Between Categories Preserve Initial Objects"
Published on
13 Apr 2026 - 18:10
#category-theory
74
Views
Does an Equivalence Between Categories C and D imply an Equivalence Between D and C?
Published on
16 Apr 2026 - 0:05
#category-theory
529
Views
Colimits in the category of pro-objects
Published on
15 Apr 2026 - 21:17
#category-theory
#limits-colimits
921
Views
Principal Bundle and Cocycle
Published on
15 Apr 2026 - 11:04
#differential-geometry
#category-theory
#homology-cohomology
#principal-bundles
205
Views
Will a homotopical right-adjoint preserve homotopy limits?
Published on
09 Apr 2026 - 23:15
#category-theory
#limits-colimits
160
Views
Slice category - origin of the name
Published on
10 May 2026 - 15:45
#category-theory
#terminology
#slice-category
70
Views
Is every tensor cancellable morphism an isomorphism?
Published on
10 Apr 2026 - 10:01
#category-theory
#monoidal-categories
1.2k
Views
Is the dual of a module naturally a comodule?
Published on
13 May 2026 - 14:36
#category-theory
#modules
#hopf-algebras
#coalgebras
#comodules
105
Views
Why are zero morphisms absorbing?
Published on
12 Apr 2026 - 14:28
#category-theory
227
Views
Understanding the categorical semantics of general inductive definitions in the HOTT book
Published on
10 Apr 2026 - 12:21
#category-theory
#type-theory
#homotopy-type-theory
79
Views
Existence of certain initial object in category
Published on
16 Apr 2026 - 18:56
#category-theory
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