Question

Showing MON and CAT are equivalent categories

score 549 · Answer 1 · 2013-11-07 20:55:07

549

Views

Showing MON and CAT are equivalent categories

Published on 07 Nov 2013 - 20:55

score 117 · Answer 2 · 2013-11-08 09:08:36

117

Views

Does there exist a reversible monoid that fails to be Dedekind-finite?

Published on 08 Nov 2013 - 9:08

score 593 · Answer 3 · 2013-11-13 01:18:43

593

Views

Examples of groups of mapping over a set which is not a subset of the symmetric group.

Published on 13 Nov 2013 - 1:18

score 280 · Answer 4 · 2013-11-15 04:15:06

280

Views

Chinese remainder theorem and order

Published on 15 Nov 2013 - 4:15

score 174 · Answer 5 · 2013-11-15 08:42:30

174

Views

If every element in a finite monoid $(M, \star)$ is uniquely-regular then $M$ is a group.

Published on 15 Nov 2013 - 8:42

score 4.1k · Answer 6 · 2013-11-15 11:08:10

4.1k

Views

A finite Monoid $M$ is a group if and only if it has only one idempotent element

Published on 15 Nov 2013 - 11:08

score 62 · Answer 7 · 2013-11-16 19:12:28

62

Views

Terminology regarding elements of monoids

Published on 16 Nov 2013 - 19:12

score 444 · Answer 8 · 2013-11-22 11:07:08

444

Views

On the powerset of a monoid, does the second operation play nice with the first? Indeed, is it even useful?

Published on 22 Nov 2013 - 11:07

score 162 · Answer 9 · 2013-11-25 00:25:11

162

Views

Boolean endomorphisms vs endofunctions on finite sets

Published on 25 Nov 2013 - 0:25

score 292 · Answer 10 · 2013-12-02 22:39:23

292

Views

Submonoids of $\mathbb{N}^k$

Published on 02 Dec 2013 - 22:39

score 81 · Answer 11 · 2013-12-13 03:08:48

81

Views

partitions are the elements of the free abelian monoid on $\aleph_0$ generators

Published on 13 Dec 2013 - 3:08

score 232 · Answer 12 · 2013-12-14 00:07:04

232

Views

Show that $M$ is a submonoid of the group of $2\times 2$ matrices of integers mod $13$.

Published on 14 Dec 2013 - 0:07

score 110 · Answer 13 · 2013-12-16 22:23:13

110

Views

Taking the (pseudo)inverse of a monoid operation.

Published on 16 Dec 2013 - 22:23

score 197 · Answer 14 · 2013-12-17 14:29:26

197

Views

Formal definition of string-to-term substitution

Published on 17 Dec 2013 - 14:29

score 81 · Answer 15 · 2013-12-20 18:19:19

81

Views

yes, why does a negative times a negative make a positive?

Published on 20 Dec 2013 - 18:19

List Question

Showing MON and CAT are equivalent categories

Does there exist a reversible monoid that fails to be Dedekind-finite?

Examples of groups of mapping over a set which is not a subset of the symmetric group.

Chinese remainder theorem and order

If every element in a finite monoid $(M, \star)$ is uniquely-regular then $M$ is a group.

A finite Monoid $M$ is a group if and only if it has only one idempotent element

Terminology regarding elements of monoids

On the powerset of a monoid, does the second operation play nice with the first? Indeed, is it even useful?

Boolean endomorphisms vs endofunctions on finite sets

Submonoids of $\mathbb{N}^k$

partitions are the elements of the free abelian monoid on $\aleph_0$ generators

Show that $M$ is a submonoid of the group of $2\times 2$ matrices of integers mod $13$.

Taking the (pseudo)inverse of a monoid operation.

Formal definition of string-to-term substitution

yes, why does a negative times a negative make a positive?

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