Question

Necessary and sufficient conditions that $\langle \zeta, (ij), \lvert\lvert k\, \ell \rvert\rvert, \xi_M\rangle$ generates $\mathscr{P}_n.$

score 121 · Answer 1 · 2026-03-25 04:42:33

121

Views

Necessary and sufficient conditions that $\langle \zeta, (ij), \lvert\lvert k\, \ell \rvert\rvert, \xi_M\rangle$ generates $\mathscr{P}_n.$

Published on 25 Mar 2026 - 4:42

score 44 · Answer 2 · 2019-04-27 19:27:51

44

Views

What algebraic structure, if any, is determined by a uniquely left-solvable semigroup?

Published on 27 Apr 2019 - 19:27

score 31 · Answer 3 · 2019-05-01 07:26:31

31

Views

structure of the abelian semigroup defined on a metric space

Published on 01 May 2019 - 7:26

score 43 · Answer 4 · 2019-05-02 05:39:00

43

Views

Is it possible to consider the set of orbits of a continuous dynamical system on a compact metric space as a topological space?

Published on 02 May 2019 - 5:39

score 38 · Answer 5 · 2026-02-24 05:07:46

38

Views

Is there a typo in the theorem?

Published on 24 Feb 2026 - 5:07

score 116 · Answer 6 · 2019-05-05 14:53:20

116

Views

Is it still unknown whetever any $\mathscr{D}$-class $D$ being a semigroup is bisimple?

Published on 05 May 2019 - 14:53

score 203 · Answer 7 · 2026-02-24 05:05:16

203

Views

What is an involutorial homeomorphism?

Published on 24 Feb 2026 - 5:05

score 89 · Answer 8 · 2019-05-12 06:17:47

89

Views

Are there any special names given to the structures $\left<\mathbb{N}_0,+,\times\right>$ and $\left<\mathbb{N},+,\times\right>$?

Published on 12 May 2019 - 6:17

score 54 · Answer 9 · 2026-02-23 00:49:22

54

Views

Does there exist such a non-trivial semigroup $S$ ($|S| > 1$), that $S \cong Add(S)$?

Published on 23 Feb 2026 - 0:49

score 1.4k · Answer 10 · 2019-05-25 02:28:38

1.4k

Views

example of right / left ideals

Published on 25 May 2019 - 2:28

score 33 · Answer 11 · 2019-05-28 18:58:55

33

Views

Pseudo-Frobenius numbers acting as the maximal elements with respect to $\leq_S$ of $\mathbb{Z} \setminus S$

Published on 28 May 2019 - 18:58

score 43 · Answer 12 · 2026-03-22 21:55:26

43

Views

Green relations in semigroups : how to interpret $J(x) \setminus J_x$

Published on 22 Mar 2026 - 21:55

score 41 · Answer 13 · 2019-06-17 13:23:32

41

Views

Defining Multiplication on Strongly Homogeneous Commutative Semigroups

Published on 17 Jun 2019 - 13:23

score 272 · Answer 14 · 2019-07-10 12:29:26

272

Views

Understanding the definition of an ideal of a semigroup

Published on 10 Jul 2019 - 12:29

score 166 · Answer 15 · 2019-07-13 20:41:17

166

Views

Semigroup structure of principal ideals (under products) in a Dedekind domain

Published on 13 Jul 2019 - 20:41

List Question

Necessary and sufficient conditions that $\langle \zeta, (ij), \lvert\lvert k\, \ell \rvert\rvert, \xi_M\rangle$ generates $\mathscr{P}_n.$

What algebraic structure, if any, is determined by a uniquely left-solvable semigroup?

structure of the abelian semigroup defined on a metric space

Is it possible to consider the set of orbits of a continuous dynamical system on a compact metric space as a topological space?

Is there a typo in the theorem?

Is it still unknown whetever any $\mathscr{D}$-class $D$ being a semigroup is bisimple?

What is an involutorial homeomorphism?

Are there any special names given to the structures $\left<\mathbb{N}_0,+,\times\right>$ and $\left<\mathbb{N},+,\times\right>$?

Does there exist such a non-trivial semigroup $S$ ($|S| > 1$), that $S \cong Add(S)$?

example of right / left ideals

Pseudo-Frobenius numbers acting as the maximal elements with respect to $\leq_S$ of $\mathbb{Z} \setminus S$

Green relations in semigroups : how to interpret $J(x) \setminus J_x$

Defining Multiplication on Strongly Homogeneous Commutative Semigroups

Understanding the definition of an ideal of a semigroup

Semigroup structure of principal ideals (under products) in a Dedekind domain

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