Author: Lauri Tart 1
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  • 1 Institute of Mathematics, University of Tartu, Ülikooli 18, 50090 Tartu, Estonia
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Abstract  

We prove that partially ordered semigroups with local units are strongly Morita equivalent if and only if they have a joint enlargement, which in turn happens if and only if the Cauchy completions of the semigroups are equivalent.