Question

Structures that are reciprocally homomorphic images but are not isomorphic

score 154 · Answer 1 · 2021-03-16 12:26:29

154

Views

Structures that are reciprocally homomorphic images but are not isomorphic

Published on 16 Mar 2021 - 12:26

score 128 · Answer 2 · 2026-03-28 05:58:51

128

Views

Counit of adjunction between $\mathbf{Vect}_k$ and $\mathbf{Set}$

Published on 28 Mar 2026 - 5:58

score 82 · Answer 3 · 2021-03-21 02:45:18

82

Views

Is this an equivalent definition for $(\subseteq \omega)-$presentations?

Published on 21 Mar 2021 - 2:45

score 316 · Answer 4 · 2026-03-26 02:54:11

316

Views

Congruence relation of an Algebra

Published on 26 Mar 2026 - 2:54

score 152 · Answer 5 · 2021-03-21 15:03:44

152

Views

The union of any directed set of the closed sets of algebraic closure operator is closed?

Published on 21 Mar 2021 - 15:03

score 200 · Answer 6 · 2026-03-25 07:39:54

200

Views

Do quotient inverse semigroups exist?

Published on 25 Mar 2026 - 7:39

score 50 · Answer 7 · 2021-03-29 10:59:02

50

Views

Free Objects and Equational classes

Published on 29 Mar 2021 - 10:59

score 210 · Answer 8 · 2021-04-06 08:28:03

210

Views

Tarski's Theorem: V=HSP

Published on 06 Apr 2021 - 8:28

score 150 · Answer 9 · 2021-04-08 14:55:22

150

Views

Equational identities of the $(+,*,0,1)$ reducts of commutative rings

Published on 08 Apr 2021 - 14:55

score 101 · Answer 10 · 2021-04-13 23:38:27

101

Views

When can we find different axiomatizations for theories with the same models?

Published on 13 Apr 2021 - 23:38

score 87 · Answer 11 · 2021-04-18 20:14:27

87

Views

Meaning for a structure $\mathcal{M}$ to be said a model of a theory $T$ if the language of $\mathcal{M}$ is the same as the language of $T$?

Published on 18 Apr 2021 - 20:14

score 121 · Answer 12 · 2021-04-20 13:25:16

121

Views

Why would the 'naive' definition of homomorphism not work?

Published on 20 Apr 2021 - 13:25

score 53 · Answer 13 · 2021-04-21 23:26:06

53

Views

Equational identities of the $(+,*,0,1)$ reducts of rings

Published on 21 Apr 2021 - 23:26

score 96 · Answer 14 · 2021-04-25 23:43:50

96

Views

Reducing complex arithmetic to a three-variable polynomial

Published on 25 Apr 2021 - 23:43

score 177 · Answer 15 · 2021-04-26 01:57:56

177

Views

Is there a two-variable polynomial capturing complex arithmetic?

Published on 26 Apr 2021 - 1:57

List Question

Structures that are reciprocally homomorphic images but are not isomorphic

Counit of adjunction between $\mathbf{Vect}_k$ and $\mathbf{Set}$

Is this an equivalent definition for $(\subseteq \omega)-$presentations?

Congruence relation of an Algebra

The union of any directed set of the closed sets of algebraic closure operator is closed?

Do quotient inverse semigroups exist?

Free Objects and Equational classes

Tarski's Theorem: V=HSP

Equational identities of the $(+,*,0,1)$ reducts of commutative rings

When can we find different axiomatizations for theories with the same models?

Meaning for a structure $\mathcal{M}$ to be said a model of a theory $T$ if the language of $\mathcal{M}$ is the same as the language of $T$?

Why would the 'naive' definition of homomorphism not work?

Equational identities of the $(+,*,0,1)$ reducts of rings

Reducing complex arithmetic to a three-variable polynomial

Is there a two-variable polynomial capturing complex arithmetic?

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