Question

Small question about contravariant functors

score 60 · Answer 1 · 2026-03-26 10:45:00

60

Views

Small question about contravariant functors

Published on 26 Mar 2026 - 10:45

score 197 · Answer 2 · 2023-09-17 12:06:30

197

Views

Proving that there is a functor $F: Grp \rightarrow Ab$ s.t $F(G)=G_{ab}$- How to deal with the quotient?

Published on 17 Sep 2023 - 12:06

score 156 · Answer 3 · 2023-09-18 11:00:45

156

Views

Size-issues in the definition of categorical limits

Published on 18 Sep 2023 - 11:00

score 51 · Answer 4 · 2023-09-23 01:48:13

51

Views

Notation related question about a two variable functor fixing one of its variables.

Published on 23 Sep 2023 - 1:48

score 699 · Answer 5 · 2023-09-24 12:27:03

699

Views

Definition of functor

Published on 24 Sep 2023 - 12:27

score 92 · Answer 6 · 2023-09-25 22:24:29

92

Views

Showing functor for composition of morphism two variable functor with one fixed variable?

Published on 25 Sep 2023 - 22:24

score 108 · Answer 7 · 2026-03-26 17:35:01

108

Views

Question 3.1.1 in AT

Published on 26 Mar 2026 - 17:35

score 80 · Answer 8 · 2023-10-04 14:32:55

80

Views

Is this functor exact?

Published on 04 Oct 2023 - 14:32

score 59 · Answer 9 · 2023-10-05 03:53:57

59

Views

How does a smooth functor guarantee the existence of another smooth vector bundle from a given one?

Published on 05 Oct 2023 - 3:53

score 114 · Answer 10 · 2026-03-25 22:03:33

114

Views

How do I show that the forgetful functor $F : \text {Grp} \rightarrow \text {Set} $ is co-representable?

Published on 25 Mar 2026 - 22:03

score 144 · Answer 11 · 2023-10-09 14:07:04

144

Views

How do I determine all the endomorphisms of the identity functor $\text{id}_{\text {Grp} }: \text {Grp}\rightarrow \text {Grp}$?

Published on 09 Oct 2023 - 14:07

score 54 · Answer 12 · 2026-02-23 08:01:06

54

Views

The diagonal functor, but 'one level up'. Useful to show functoriality of the limit functor?

Published on 23 Feb 2026 - 8:01

score 63 · Answer 13 · 2023-10-16 14:37:42

63

Views

Why is the functor from the lattice of open subsets of the reals to Set contravariant?

Published on 16 Oct 2023 - 14:37

score 66 · Answer 14 · 2026-03-26 17:33:28

66

Views

Proving bijectivity of the isomorphism when finding the right adjoint of functor F: Haus $\rightarrow$ to Top

Published on 26 Mar 2026 - 17:33

score 100 · Answer 15 · 2026-03-25 11:11:58

100

Views

Subcategory of functor category is complete

Published on 25 Mar 2026 - 11:11

List Question

Small question about contravariant functors

Proving that there is a functor $F: Grp \rightarrow Ab$ s.t $F(G)=G_{ab}$- How to deal with the quotient?

Size-issues in the definition of categorical limits

Notation related question about a two variable functor fixing one of its variables.

Definition of functor

Showing functor for composition of morphism two variable functor with one fixed variable?

Question 3.1.1 in AT

Is this functor exact?

How does a smooth functor guarantee the existence of another smooth vector bundle from a given one?

How do I show that the forgetful functor $F : \text {Grp} \rightarrow \text {Set} $ is co-representable?

How do I determine all the endomorphisms of the identity functor $\text{id}_{\text {Grp} }: \text {Grp}\rightarrow \text {Grp}$?

The diagonal functor, but 'one level up'. Useful to show functoriality of the limit functor?

Why is the functor from the lattice of open subsets of the reals to Set contravariant?

Proving bijectivity of the isomorphism when finding the right adjoint of functor F: Haus $\rightarrow$ to Top

Subcategory of functor category is complete

Trending Questions

Popular # Hahtags

Popular Questions