What is it about?
This article summarizes a large part of my mathematics dissertation.
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Why is it important?
It answers an interesting questions about closures and generalizes the result of Eberhart and Selden on the closure of the bicyclic semigroup.
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This page is a summary of: On the closure of bisimple ω-semigroups, Semigroup Forum, December 1976, Springer Science + Business Media,
DOI: 10.1007/bf02195943.
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