Thomas Quinn-Gregson

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20172019

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math.LO2018

$ℵ_{0}$ -categoricity of semigroups II

T. Quinn-Gregson

A countable semigroup is $ℵ_{0}$ -categorical if it can be characterised, up to isomorphism, by its first-order properties. In this paper we continue our investigation into the $…

math.LO2018

$ℵ_{0}$ -categoricity of semigroups

Victoria Gould, Thomas Quinn-Gregson

In this paper we initiate the study of $ℵ_{0}$ -categorical semigroups, where a countable semigroup $S$ is $ℵ_{0}$ -categorical if, for any natural number $n$ , the action of it…

ℵ0​-categoricity of semigroups II

ℵ0​-categoricity of semigroups

$ℵ_{0}$ -categoricity of semigroups II

$ℵ_{0}$ -categoricity of semigroups