Abstract
In Nagy (Semigr Forum, 87: 129–148 2013), the author investigated the left reductive closures of congruences of semigroups. In our present paper we extend these investigations to weakly reductive, respectively reductive closures of congruences of semigroups.
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Nagy, A.: Left reductive congruences on semigroups. Semigr. Forum 87, 129–148 (2013)
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Communicated by Mohan Putcha.
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Kiss, F. Reductive and weakly reductive closures of congruences on semigroups. Semigroup Forum 90, 503–517 (2015). https://doi.org/10.1007/s00233-014-9623-y
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DOI: https://doi.org/10.1007/s00233-014-9623-y