Abstract
We obtain a covering theorem for E ∗-dense E-semigroups showing that such a semigroup has an E ∗-dense, strongly E ∗-unitary E-semigroup as a cover and describe the structure of the latter semigroups.
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Communicated by Nik Ruskuc.
Dedicated to the memory of John Howie, mentor and friend.
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Fountain, J., Hayes, A. E ∗-dense E-semigroups. Semigroup Forum 89, 105–124 (2014). https://doi.org/10.1007/s00233-013-9562-z
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DOI: https://doi.org/10.1007/s00233-013-9562-z