List questions from category-theory

Published on 16 Apr 2018 - 21:53

80

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Detecting family of $[\mathcal{C},\mathbf{Set}]$

Published on 25 Mar 2026 - 7:34

76

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Standard notation for the category of contravariant functors to Set

Published on 25 Mar 2026 - 7:15

134

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Question regarding a paragraph from the book "Sheaves on Manifolds" by Kashiwara and Schapira

Published on 17 Apr 2018 - 19:13

700

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How would one solve Weibel 1.3.1 in a general Abelian category?

Published on 26 Mar 2026 - 2:48

250

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What is the “on morphism” part of a free functor?

Published on 25 Mar 2026 - 1:17

431

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Show that the unit object in a monoidal category is unique up to isomorphism.

Published on 23 Mar 2026 - 6:02

177

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In which categories are epimorphisms equivalent to surjections?

Published on 18 Apr 2018 - 2:22

177

Views

Factorization axiom for model categories

Published on 26 Mar 2026 - 7:14

259

Views

Abelian categories linear over a field

Published on 22 Mar 2026 - 7:27

121

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End of functor to product category is product of ends

Published on 25 Mar 2026 - 0:02

71

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dual of the statment that considers existence of a left adjoint

Published on 18 Apr 2018 - 13:34

351

Views

In the absence of limits from the codomain, do evaluation functors still preserve limits?

Published on 25 Mar 2026 - 0:01

572

Views

Hom Tensor Adjunction for Ext Groups

Published on 25 Mar 2026 - 14:48

445

Views

About the internal hom in a symmetric monoidal closed category

Published on 24 Mar 2026 - 17:41

List Question

Two group structures on Hom(C, G)

Detecting family of $[\mathcal{C},\mathbf{Set}]$

Standard notation for the category of contravariant functors to Set

Question regarding a paragraph from the book "Sheaves on Manifolds" by Kashiwara and Schapira

How would one solve Weibel 1.3.1 in a general Abelian category?

What is the “on morphism” part of a free functor?

Show that the unit object in a monoidal category is unique up to isomorphism.

In which categories are epimorphisms equivalent to surjections?

Factorization axiom for model categories

Abelian categories linear over a field

End of functor to product category is product of ends

dual of the statment that considers existence of a left adjoint

In the absence of limits from the codomain, do evaluation functors still preserve limits?

Hom Tensor Adjunction for Ext Groups

About the internal hom in a symmetric monoidal closed category

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