Ambroise Grau

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20232026

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math.RA2024

Translational hulls of semigroups of endomorphisms of an algebra

Victoria Gould, Ambroise Grau, Marianne Johnson +1

We consider the translational hull $Ω (I)$ of an arbitrary subsemigroup $I$ of an endomorphism monoid $End (A)$ where $A$ is a universal algebra. We give conditions for ever…

math.RA2023

The structure of End( $T_{n}$ )

Victoria Gould, Ambroise Grau, Marianne Johnson

The full transformation semigroups $T_{n}$ , where $n \in N$ , consisting of all maps from a set of cardinality $n$ to itself, are arguably the most important family…

Translational hulls of semigroups of endomorphisms of an algebra

The structure of End(Tn​)

The structure of End( $T_{n}$ )