List questions from category-theory

Published on 06 Apr 2026 - 11:32

921

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Image of a category under a functor need not be a category?

Published on 25 Jul 2014 - 3:42

64

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Terminology on pullbacks

Published on 11 Apr 2026 - 16:44

164

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Universal property of tensor product of dg algebras

Published on 25 Mar 2026 - 16:03

225

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Notation for the subcategory of commutative $R$-algebras

Published on 07 Apr 2026 - 17:48

433

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Continuations vs. Yoneda

Published on 31 Mar 2026 - 12:20

375

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"Equivalent" definitions of the gluing axioms

Published on 26 Jul 2014 - 18:22

1.4k

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Universal property of polynomial ring in $\mathbf{CRING}$

Published on 27 Jul 2014 - 21:46

553

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Coproduct in the category of vector spaces with bilinear forms

Published on 25 Mar 2026 - 23:36

239

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Relations between Theories and Categories

Published on 11 Apr 2026 - 17:51

81

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Presentation of an object in an Eilenberg Moore category by generators and relations

Published on 28 Jul 2014 - 14:54

699

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What would be the equivalent of the "gluing axiom" for a cosheaf

Published on 28 Jul 2014 - 17:57

104

Views

Relative topological tensor product

Published on 25 Mar 2026 - 17:35

56

Views

surjection between sets which are defined through a functor

Published on 11 Apr 2026 - 11:16

126

Views

How to prove that : $ \mathrm{Hom} ( A(G), H) \simeq \mathrm{Hom} (G , I(H)) $?

Published on 11 Apr 2026 - 18:42

List Question

Strong epimorphic counit iff conservative right adjoint?

Image of a category under a functor need not be a category?

Terminology on pullbacks

Universal property of tensor product of dg algebras

Notation for the subcategory of commutative $R$-algebras

Continuations vs. Yoneda

"Equivalent" definitions of the gluing axioms

Universal property of polynomial ring in $\mathbf{CRING}$

Coproduct in the category of vector spaces with bilinear forms

Relations between Theories and Categories

Presentation of an object in an Eilenberg Moore category by generators and relations

What would be the equivalent of the "gluing axiom" for a cosheaf

Relative topological tensor product

surjection between sets which are defined through a functor

How to prove that : $ \mathrm{Hom} ( A(G), H) \simeq \mathrm{Hom} (G , I(H)) $?

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