List questions from inverse-semigroups | MathQa

D-classes in an inverse semigroup are ‘square’.

Published on 18 Apr 2025 - 20:03

S an inverse semigroup with semilattice of idempotents E and $\sigma$ the minimum group congruence on S.

Published on 16 Apr 2025 - 22:44

GAP tells this semigroup is not a group.

Published on 18 Apr 2025 - 22:36

Generators and relations of symmetric inverse semigroup $I_{3}$

Published on 12 Apr 2025 - 19:06

How is $ss^{-1}$ idempotent in an inverse monoid?

Published on 06 Apr 2025 - 19:23

Semilattice of idempotent

Published on 04 Apr 2025 - 1:36

Existence of a commutative inverse semigroup with no identity element

Published on 06 Apr 2025 - 23:15

example of monoids

Published on 16 Apr 2025 - 13:41

Characters on inverse semigroups: Hahn-Banach?

Published on 12 Apr 2025 - 17:46

Definition of groups

Published on 12 Apr 2025 - 12:21