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15
Math.TechQA.Club
2026-03-25 11:03:42
221
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$p:E\to B$ is fibration then $p_*:map(X,E)\to map(X,B)$ is fibration as well.
Published on
25 Mar 2026 - 11:03
#general-topology
#algebraic-topology
#proof-verification
#category-theory
#fibration
385
Views
Equivalence of categories......
Published on
12 Apr 2026 - 20:56
#category-theory
88
Views
what is the name of this operation?
Published on
12 Apr 2026 - 22:42
#abstract-algebra
#category-theory
320
Views
Isomorphisms in category theory
Published on
23 Nov 2014 - 21:25
#category-theory
213
Views
Are there any disadvantages to working in the category of k-spaces as opposed to Top?
Published on
07 Apr 2026 - 10:38
#general-topology
#algebraic-topology
#soft-question
#category-theory
317
Views
tensor product and commutation, category theoretical argument
Published on
25 Nov 2014 - 8:19
#abstract-algebra
#category-theory
#tensor-products
175
Views
Any object in a locally noetherian Grothendieck category has a noetherian subobject
Published on
25 Nov 2014 - 12:37
#category-theory
111
Views
Monoidal categories in which $\mathrm{Aut}(X \otimes Y) \cong \mathrm{Aut}(X) \sqcup \mathrm{Aut}(Y).$
Published on
01 Apr 2026 - 12:49
#category-theory
#examples-counterexamples
#monoidal-categories
426
Views
Existence of projectives in the category of torsion abelian groups
Published on
29 Mar 2026 - 15:16
#abstract-algebra
#category-theory
#homological-algebra
#abelian-groups
945
Views
Showing that the product group of $G$ and $H$ satisfies the universal property for coproducts in the category of abelian groups $\mathbf{Ab}$
Published on
12 Apr 2026 - 21:53
#abstract-algebra
#category-theory
#abelian-groups
241
Views
Is this a general structure for constructs?
Published on
07 Apr 2026 - 18:46
#general-topology
#category-theory
#universal-algebra
#big-picture
141
Views
Does the five lemma hold true for Lie algebras?
Published on
10 Apr 2026 - 14:01
#abstract-algebra
#category-theory
#lie-algebras
#homological-algebra
689
Views
Uniqueness of the long exact sequence in homology
Published on
03 Apr 2026 - 15:38
#category-theory
#homological-algebra
#abelian-categories
309
Views
Is there a special name or any research on Cartesian compact closed categories?
Published on
28 Nov 2014 - 9:25
#category-theory
#monoidal-categories
95
Views
Set and category theory
Published on
28 Nov 2014 - 11:31
#elementary-set-theory
#category-theory
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