Question

Monoids as a category and product structures

score 42 · Answer 1 · 2019-04-11 18:06:39

42

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Monoids as a category and product structures

Published on 11 Apr 2019 - 18:06

score 51 · Answer 2 · 2026-03-30 12:16:57

51

Views

For an $A$-module $T$ and $T_{0} \in \operatorname{Add}(T)$, when is $\operatorname{Ann}(T) = \operatorname{Ann}(T_{0})$?

Published on 30 Mar 2026 - 12:16

score 108 · Answer 3 · 2026-03-25 11:54:04

108

Views

There's an equivalence of simplicial categories $\Delta \to \tilde{\Delta}^{\text{op}}$.

Published on 25 Mar 2026 - 11:54

score 83 · Answer 4 · 2026-03-25 04:40:22

83

Views

Proving naturality after determining a collection of isomorphisms.

Published on 25 Mar 2026 - 4:40

score 85 · Answer 5 · 2019-04-13 02:29:46

85

Views

Is $\lim\limits(\prod_{i\leq n} K)\cong\cup_i(\prod_{j\leq i}K)$ true?

Published on 13 Apr 2019 - 2:29

score 69 · Answer 6 · 2026-03-25 23:56:32

69

Views

methods for computing cohomology from data of an exact sequence

Published on 25 Mar 2026 - 23:56

score 49 · Answer 7 · 2026-03-25 17:37:42

49

Views

Simple Lie algebra representations and tensor powers of fundamental representations

Published on 25 Mar 2026 - 17:37

score 76 · Answer 8 · 2026-03-30 01:13:35

76

Views

Theorem 6.5.13 in Topology and Groupoids by Ronald Brown

Published on 30 Mar 2026 - 1:13

score 45 · Answer 9 · 2026-03-25 11:15:06

45

Views

Generalising idea of projection of continuous laticces into any category

Published on 25 Mar 2026 - 11:15

score 184 · Answer 10 · 2026-03-29 05:52:28

184

Views

Does the category of $(R,S)$-bimodules contain a free object on one generator?

Published on 29 Mar 2026 - 5:52

score 144 · Answer 11 · 2019-04-16 12:03:03

144

Views

I want to prove that a topological space is a category with elements as objects and homotopy equivalence classes of paths as morphisms.

Published on 16 Apr 2019 - 12:03

score 100 · Answer 12 · 2019-04-16 15:14:14

100

Views

Property of a category transfers to a subcategory

Published on 16 Apr 2019 - 15:14

score 56 · Answer 13 · 2019-04-16 17:40:21

56

Views

Monoidal categories and epimorphisms

Published on 16 Apr 2019 - 17:40

score 48 · Answer 14 · 2026-04-02 09:58:19

48

Views

Circle symbol for true logical statements?

Published on 02 Apr 2026 - 9:58

score 146 · Answer 15 · 2019-04-18 17:58:03

146

Views

Localisation of Category

Published on 18 Apr 2019 - 17:58

List Question

Monoids as a category and product structures

For an $A$-module $T$ and $T_{0} \in \operatorname{Add}(T)$, when is $\operatorname{Ann}(T) = \operatorname{Ann}(T_{0})$?

There's an equivalence of simplicial categories $\Delta \to \tilde{\Delta}^{\text{op}}$.

Proving naturality after determining a collection of isomorphisms.

Is $\lim\limits(\prod_{i\leq n} K)\cong\cup_i(\prod_{j\leq i}K)$ true?

methods for computing cohomology from data of an exact sequence

Simple Lie algebra representations and tensor powers of fundamental representations

Theorem 6.5.13 in Topology and Groupoids by Ronald Brown

Generalising idea of projection of continuous laticces into any category

Does the category of $(R,S)$-bimodules contain a free object on one generator?

I want to prove that a topological space is a category with elements as objects and homotopy equivalence classes of paths as morphisms.

Property of a category transfers to a subcategory

Monoidal categories and epimorphisms

Circle symbol for true logical statements?

Localisation of Category

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