Secondly the relations among l-Archimedean ordered semigroups, semiprimary, primary and simple ordered semigroups are descibed.
研究l-Archimedean序半群的性质及与半准素半群,准素半群,单序半群之间的关系。
A semigroup s which is the semilattice of B-simple ordered semigroups is characterized.
给出了序半群是B-单序半群的半格的刻画。
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