E$-solid locally inverse semigroups
We prove that if $S$ is an $E$-solid locally inverse semigroup, and $\rho$ is an inverse semigroup congruence on $S$ such that the idempotent classes of $\rho$ are completely simple semigroups then $S$ is embeddable into a $\lambda$-semidirect product of a completely simple semigroup by $S/\rho$. Co...
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Zusammenfassung: | We prove that if $S$ is an $E$-solid locally inverse semigroup, and $\rho$ is
an inverse semigroup congruence on $S$ such that the idempotent classes of
$\rho$ are completely simple semigroups then $S$ is embeddable into a
$\lambda$-semidirect product of a completely simple semigroup by $S/\rho$.
Consequently, the $E$-solid locally inverse semigroups turn out to be, up to
isomorphism, the regular subsemigroups of $\lambda$-semidirect products of
completely simple semigroups by inverse semigroups. |
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DOI: | 10.48550/arxiv.1807.01265 |