List questions from finite-semigroups

Published on 17 Mar 2026 - 18:21

21

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Minimal generating set of union two isomorphic semigroups

Published on 09 Jun 2023 - 12:35

36

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Semigroups with the property $S=S^1(S\setminus S^2)$

Published on 26 Jul 2023 - 20:23

38

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The Extension Problem and Krohn-Rhodes

Published on 28 Jul 2023 - 21:17

24

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Does $B(BE\dot{\cup} E)\subset BE\dot{\cup} E$ imply that $B$ is a sub-semigroup?

Published on 13 Aug 2023 - 14:40

108

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Finite semigroup

Published on 24 Mar 2026 - 19:17

36

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Subsemigroups of finite semigroup

Published on 15 Jan 2024 - 9:09

112

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Is a finite semigroup with a unique idempotent $e$ always a group with unit $e$?

Published on 26 Feb 2024 - 0:14

121

Views

Is there a logarithmic size generating set for some classes of finite semigroups?

Published on 16 Apr 2015 - 17:15

71

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The Krull-Schmidt-Remak Theorem for Semigroups and Monoids

Published on 23 Mar 2026 - 0:36

9.2k

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Is there an idempotent element in a finite semigroup?

Published on 06 Apr 2013 - 15:35

134

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Name the digraph of these transformation subsemigroups

Published on 19 Apr 2013 - 17:50

103

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Subsemigroup of S_n(symmetric group) of largest size

Published on 16 Oct 2013 - 9:28

450

Views

If $G$ is a finite semi-group and $\forall x,y,z \in G: xy=yz \implies x=z$ then $G$ is an Abelian group

Published on 15 Nov 2013 - 14:50

59

Views

Showing $\lvert\mathscr{B}_X\rvert=2^{n^2}$.

Published on 23 Mar 2026 - 0:35

List Question

J-class properties under a surjective homomorphism

Minimal generating set of union two isomorphic semigroups

Semigroups with the property $S=S^1(S\setminus S^2)$

The Extension Problem and Krohn-Rhodes

Does $B(BE\dot{\cup} E)\subset BE\dot{\cup} E$ imply that $B$ is a sub-semigroup?

Finite semigroup

Subsemigroups of finite semigroup

Is a finite semigroup with a unique idempotent $e$ always a group with unit $e$?

Is there a logarithmic size generating set for some classes of finite semigroups?

The Krull-Schmidt-Remak Theorem for Semigroups and Monoids

Is there an idempotent element in a finite semigroup?

Name the digraph of these transformation subsemigroups

Subsemigroup of S_n(symmetric group) of largest size

If $G$ is a finite semi-group and $\forall x,y,z \in G: xy=yz \implies x=z$ then $G$ is an Abelian group

Showing $\lvert\mathscr{B}_X\rvert=2^{n^2}$.

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