ON ESSENTIAL BI-IDEALS AND ESSENTIAL
FUZZY BI-IDEALS IN SEMIGROUPS
Thiti Gaketem1, Aiyared Iampan2 1,2 Fuzzy Algebras and Decision-Making
Problems Research Unit
Department of Mathematics, School of Science
Mae Ka, University of Phayao
Phayao 56000, THAILAND
This paper gives the concepts of essential bi-ideals and essential fuzzy bi-ideals in semigroups. We investigate the basic properties of essential bi-ideals and essential fuzzy bi-ideals in semigroups.
Finally, we provide the defined essential minimal bi-ideals and essential fuzzy minimal bi-ideals in semigroups and study their properties.
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