List questions from category-theory

Published on 15 Apr 2026 - 3:42

261

Views

Internal Union Arrows In A Topos

Published on 14 Apr 2026 - 13:38

40

Views

Topologizing a domain solution trial.

Published on 12 Apr 2026 - 16:47

105

Views

Direct limit of the finite product of vector spaces

Published on 15 Apr 2026 - 14:24

63

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A detailed proof required.

Published on 15 Apr 2026 - 3:46

236

Views

What makes two things (or two representations of a thing) "the same"?

Published on 11 Apr 2026 - 10:30

44

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There is a unique map $P \to \text{Hom}(A, \prod_i C_i)$ whenever $P \xrightarrow{p_i} \text{Hom}(A, C_i)$?

Published on 19 Apr 2026 - 1:49

940

Views

Question on coproducts and products

Published on 12 Apr 2026 - 9:06

399

Views

Describing the universal property of the evaluation map

Published on 20 Apr 2026 - 6:50

138

Views

Is the finest partition on $\mathbf{R}$ just $\mathbf{R}$?

Published on 14 Apr 2026 - 15:29

188

Views

"Cone" monad on simplicial sets

Published on 16 Apr 2026 - 2:53

224

Views

Image in Abelian Categories and Relation to Image of Function

Published on 15 Apr 2026 - 22:03

126

Views

Yoneda embedding

Published on 24 Apr 2026 - 11:00

129

Views

Exponents in $\mathbf{Sets}^{G^{{\rm op}}}$ for an arbitrary group $G$.

Published on 25 Mar 2026 - 22:02

429

Views

Is there abelianization of any General category?

Published on 17 Apr 2026 - 3:26

List Question

What does $Ho(Top,\pi_0^{-1}(\mathcal{W}))$ look like?

Internal Union Arrows In A Topos

Topologizing a domain solution trial.

Direct limit of the finite product of vector spaces

A detailed proof required.

What makes two things (or two representations of a thing) "the same"?

There is a unique map $P \to \text{Hom}(A, \prod_i C_i)$ whenever $P \xrightarrow{p_i} \text{Hom}(A, C_i)$?

Question on coproducts and products

Describing the universal property of the evaluation map

Is the finest partition on $\mathbf{R}$ just $\mathbf{R}$?

"Cone" monad on simplicial sets

Image in Abelian Categories and Relation to Image of Function

Yoneda embedding

Exponents in $\mathbf{Sets}^{G^{{\rm op}}}$ for an arbitrary group $G$.

Is there abelianization of any General category?

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