List questions from inverse-semigroups | MathQa

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

Published on 03 Jun 2025 - 12:52

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

Published on 06 Jun 2025 - 0:57

GAP tells this semigroup is not a group.

Published on 04 Jun 2025 - 2:12

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

Published on 03 Jun 2025 - 10:06

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

Published on 03 Jun 2025 - 7:02

Semilattice of idempotent

Published on 02 Jun 2025 - 22:08

Existence of a commutative inverse semigroup with no identity element

Published on 03 Jun 2025 - 4:35

example of monoids

Published on 03 Jun 2025 - 21:12

Characters on inverse semigroups: Hahn-Banach?

Published on 03 Jun 2025 - 5:39

Definition of groups

Published on 02 Jun 2025 - 19:36