Question

Example about endomorphism ring of an indecomposable object, which have non-trivial idempotent element in an additive category.

score 76 · Answer 1 · 2026-04-29 13:22:59

76

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Example about endomorphism ring of an indecomposable object, which have non-trivial idempotent element in an additive category.

Published on 29 Apr 2026 - 13:22

score 596 · Answer 2 · 2026-04-11 01:23:09

596

Views

Applications of Category Theory in Abstract Algebra

Published on 11 Apr 2026 - 1:23

score 40 · Answer 3 · 2026-05-11 04:06:18

40

Views

Minimally sufficient condition for composability of quiver morphisms?

Published on 11 May 2026 - 4:06

score 171 · Answer 4 · 2026-04-17 03:05:50

171

Views

The intersection of $\mathcal{O}_X$-submodules is an intersection as the categorical sense?

Published on 17 Apr 2026 - 3:05

score 702 · Answer 5 · 2026-04-10 20:59:55

702

Views

Definition of functor

Published on 10 Apr 2026 - 20:59

score 81 · Answer 6 · 2026-04-12 07:27:44

81

Views

Construction of left adjoint

Published on 12 Apr 2026 - 7:27

score 48 · Answer 7 · 2026-04-10 11:52:22

48

Views

Other things with operators

Published on 10 Apr 2026 - 11:52

score 52 · Answer 8 · 2026-04-29 13:21:00

52

Views

Epimorphism and Surjective Homomorphsim

Published on 29 Apr 2026 - 13:21

score 68 · Answer 9 · 2026-04-14 19:56:31

68

Views

Vector Bundles Categorically

Published on 14 Apr 2026 - 19:56

score 89 · Answer 10 · 2026-05-13 21:45:11

89

Views

Questions about the definition of normal category and wording of an exercise.

Published on 13 May 2026 - 21:45

score 96 · Answer 11 · 2026-05-13 23:40:01

96

Views

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

Published on 13 May 2026 - 23:40

score 84 · Answer 12 · 2026-05-11 08:34:42

84

Views

How many universal cones from $\Delta_{A\times A}$ to D?

Published on 11 May 2026 - 8:34

score 20 · Answer 13 · 2026-05-10 16:32:02

20

Views

Model Structure on Constant-free Symmetric Operads

Published on 10 May 2026 - 16:32

score 113 · Answer 14 · 2026-04-09 22:03:13

113

Views

Tools to investigate unusual algebraic structure

Published on 09 Apr 2026 - 22:03

score 54 · Answer 15 · 2026-04-16 08:35:24

54

Views

Injective object in category $\mathcal{K}$, which has an object $a$ and $\text{Hom}(a,a) = S $ is a semigroup with unit.

Published on 16 Apr 2026 - 8:35

List Question

Example about endomorphism ring of an indecomposable object, which have non-trivial idempotent element in an additive category.

Applications of Category Theory in Abstract Algebra

Minimally sufficient condition for composability of quiver morphisms?

The intersection of $\mathcal{O}_X$-submodules is an intersection as the categorical sense?

Definition of functor

Construction of left adjoint

Other things with operators

Epimorphism and Surjective Homomorphsim

Vector Bundles Categorically

Questions about the definition of normal category and wording of an exercise.

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

How many universal cones from $\Delta_{A\times A}$ to D?

Model Structure on Constant-free Symmetric Operads

Tools to investigate unusual algebraic structure

Injective object in category $\mathcal{K}$, which has an object $a$ and $\text{Hom}(a,a) = S $ is a semigroup with unit.

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