Question

What do all the common maps "preserve"?

score 79 · Answer 1 · 2017-03-05 19:30:19

79

Views

What do all the common maps "preserve"?

Published on 05 Mar 2017 - 19:30

score 25 · Answer 2 · 2026-03-24 15:01:15

25

Views

Proving End_A (A') for additive category A' has ring structure

Published on 24 Mar 2026 - 15:01

score 607 · Answer 3 · 2017-03-14 05:32:49

607

Views

In an Abelian category, every Kernel is Kernel of Cokernel

Published on 14 Mar 2017 - 5:32

score 300 · Answer 4 · 2017-03-14 22:47:18

300

Views

Finite Products and Coproducts coincide for Abelian Category.

Published on 14 Mar 2017 - 22:47

score 52 · Answer 5 · 2017-03-15 22:56:48

52

Views

Attempt at Proving map between Coproduct and Product is Epic in Abelian Category

Published on 15 Mar 2017 - 22:56

score 1k · Answer 6 · 2017-03-22 02:06:08

1k

Views

Why don't we take clopen maps as morphisms of the category of topological spaces?

Published on 22 Mar 2017 - 2:06

score 325 · Answer 7 · 2017-03-26 11:23:24

325

Views

Morphism of varieties from $\mathbb A^1 \to \mathbb A^1 \{0\}$?

Published on 26 Mar 2017 - 11:23

score 57 · Answer 8 · 2026-03-25 23:53:03

57

Views

Mapping (in/sur/bi-jective) between a group to its (normal subgroup, quotient group)

Published on 25 Mar 2026 - 23:53

score 139 · Answer 9 · 2026-02-23 13:37:23

139

Views

When is a pair of morphisms is a pullback of some pair of morphisms?

Published on 23 Feb 2026 - 13:37

score 44 · Answer 10 · 2023-02-12 19:56:36

44

Views

Associativity as a strong axiom (morphisms)

Published on 12 Feb 2023 - 19:56

score 69 · Answer 11 · 2023-02-24 14:11:26

69

Views

Showing that a morphism is an equivalence relation

Published on 24 Feb 2023 - 14:11

score 78 · Answer 12 · 2026-03-25 19:07:18

78

Views

A morphism of bialgebras between two Hopf algebras is necessarily a morphism of Hopf Algebras.

Published on 25 Mar 2026 - 19:07

score 91 · Answer 13 · 2023-03-06 18:22:39

91

Views

Question about the meaning of $0\rightarrow B$ used in category theory and elsewhere in mathematics

Published on 06 Mar 2023 - 18:22

score 21 · Answer 14 · 2026-03-26 07:33:15

21

Views

When is a quotient $\mathbb Z$-algebra a ring quotient

Published on 26 Mar 2026 - 7:33

score 56 · Answer 15 · 2023-03-27 01:04:05

56

Views

Is this the correct formulation for the universal property and pushout diagram for cokernel?

Published on 27 Mar 2023 - 1:04

List Question

What do all the common maps "preserve"?

Proving End_A (A') for additive category A' has ring structure

In an Abelian category, every Kernel is Kernel of Cokernel

Finite Products and Coproducts coincide for Abelian Category.

Attempt at Proving map between Coproduct and Product is Epic in Abelian Category

Why don't we take clopen maps as morphisms of the category of topological spaces?

Morphism of varieties from $\mathbb A^1 \to \mathbb A^1 \{0\}$?

Mapping (in/sur/bi-jective) between a group to its (normal subgroup, quotient group)

When is a pair of morphisms is a pullback of some pair of morphisms?

Associativity as a strong axiom (morphisms)

Showing that a morphism is an equivalence relation

A morphism of bialgebras between two Hopf algebras is necessarily a morphism of Hopf Algebras.

Question about the meaning of $0\rightarrow B$ used in category theory and elsewhere in mathematics

When is a quotient $\mathbb Z$-algebra a ring quotient

Is this the correct formulation for the universal property and pushout diagram for cokernel?

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