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15
Math.TechQA.Club
2026-03-25 03:19:22
170
Views
What does "$\text{Hom}(\space, G)$takes values in Groups" mean?
Published on
25 Mar 2026 - 3:19
#algebraic-topology
#category-theory
#functors
#hom-functor
239
Views
Does a fully faithful functor apply to identity arrows?
Published on
25 Mar 2026 - 3:22
#category-theory
#functors
#hom-functor
79
Views
Fibre-discrete concrete categories.
Published on
02 Oct 2017 - 19:18
#category-theory
#functors
244
Views
Is a contravariant functor a functor?
Published on
08 Oct 2017 - 18:25
#category-theory
#functors
257
Views
What does Yoneda's Lemma tell us about a representable functor?
Published on
26 Mar 2026 - 22:36
#category-theory
#functors
#yoneda-lemma
894
Views
Is the category of discrete categories equivalent to the category of Set?
Published on
26 Mar 2026 - 3:11
#category-theory
#functors
94
Views
Representability of direct product?
Published on
17 Oct 2017 - 18:29
#category-theory
#functors
40
Views
Name for the "canonical" endofunctors of a monoidal category
Published on
27 Mar 2026 - 4:24
#category-theory
#terminology
#monoidal-categories
#functors
190
Views
$F^{op}$ functor
Published on
26 Mar 2026 - 19:25
#category-theory
#functors
733
Views
Contravariant powerset functor and cartesian closedness
Published on
21 Oct 2017 - 11:00
#reference-request
#category-theory
#adjoint-functors
#functors
199
Views
Equivalence of definition for faithful functor?
Published on
22 Oct 2017 - 20:11
#category-theory
#functors
356
Views
Prove that an open subfunctor of a scheme is itself a scheme
Published on
09 Nov 2017 - 0:09
#proof-verification
#algebraic-geometry
#schemes
#functors
278
Views
Do natural isomorphisms always respect composition of functors?
Published on
11 Nov 2017 - 18:08
#category-theory
#functors
429
Views
Contarvariant functor and opposite category
Published on
15 Nov 2017 - 18:02
#category-theory
#functors
628
Views
Restriction map on cohomology and automorphisms of $G$
Published on
18 Nov 2017 - 15:02
#group-theory
#finite-groups
#homology-cohomology
#group-cohomology
#functors
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