Minimal Noncryptic e-Varieties of Regula
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F. Pastijn; M.V. Volkov
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Article
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1996
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Elsevier Science
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English
⚖ 182 KB
We describe all minimal noncryptic e-varieties of regular semigroups, thus generalising earlier results by Rasin and Reilly that dealt with the completely regular and the inverse cases, respectively. As corollaries, we prove that an e-variety of regular semigroups is cryptic if and only if its inter