List questions from category-theory

Published on 25 Mar 2026 - 15:59

433

Views

Forgetful functor from Grp to Set is faithful

Published on 12 Apr 2026 - 20:18

72

Views

Product in category $MET$

Published on 16 Apr 2026 - 9:51

279

Views

Why is the natural transformations form a class?

Published on 15 Apr 2026 - 9:10

1k

Views

Products in the slice category Sets/I

Published on 16 Apr 2026 - 14:20

199

Views

Realtive Internal Hom Functor

Published on 14 Apr 2026 - 2:42

533

Views

Duality between Geometric Spaces and Algebraic Structures

Published on 25 Apr 2026 - 19:33

1.2k

Views

Prove that that the inverse to a map is unique.

Published on 14 Apr 2026 - 19:42

198

Views

Structures on Artin stacks and fppf-descent

Published on 25 Mar 2026 - 3:00

561

Views

The difference between $\prod$, $\coprod$, $\bigoplus$, and $\sum$ (especially in the category R-Mod)

Published on 21 Apr 2026 - 12:05

151

Views

Does the universal property of pullbacks imply that there is a unique morphism from an object to the pullback?

Published on 12 Apr 2026 - 3:06

61

Views

When are two objects in the simplex category said to be equivalent?

Published on 15 Apr 2026 - 10:47

628

Views

The realization functor is left adjoint to the singular functor

Published on 30 Apr 2026 - 10:47

194

Views

What is mirror of symplectic $\mathbb{CP}^{2}$?

Published on 06 May 2026 - 6:23

83

Views

What is the category $\mathbf{Set}^A$? (for a set $A$)

Published on 14 Apr 2026 - 4:53

List Question

Elaboration for $μ ∘Tμ = μ ∘ μT$ from a Monad definition

Forgetful functor from Grp to Set is faithful

Product in category $MET$

Why is the natural transformations form a class?

Products in the slice category Sets/I

Realtive Internal Hom Functor

Duality between Geometric Spaces and Algebraic Structures

Prove that that the inverse to a map is unique.

Structures on Artin stacks and fppf-descent

The difference between $\prod$, $\coprod$, $\bigoplus$, and $\sum$ (especially in the category R-Mod)

Does the universal property of pullbacks imply that there is a unique morphism from an object to the pullback?

When are two objects in the simplex category said to be equivalent?

The realization functor is left adjoint to the singular functor

What is mirror of symplectic $\mathbb{CP}^{2}$?

What is the category $\mathbf{Set}^A$? (for a set $A$)

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