• Kyungpook Mathematical Journal
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• v.46 no.2
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• pp.247-253
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• 2006

(Left or Right) Weakly commutative semigroups are described. Relationships of weakly commutative semigroups and (l- or r-) Archimedean semigroups are discussed. The structure theorems of weakly commutative semigroups and weakly commutative abundant semigroups are shown.