In this paper,we study the natural partial order on perfect rectangular bands of type-A semigroups.It is proved that the natural partial order on perfect rectangular bands of type-A semigroups is compatible with the multiplication.Some properties are given on perfect rectangular bands of type-A semigroups.Finally,we give a structure of ideals to perfect rectangular bands type-A Semigroups.
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李春华.型-A半群基本矩形带上的自然偏序[J].华东交通大学学报,2006,(2):135-137. LI Chun-hua. The Natural Partial Order on Perfect Rectangular Bands of Type A Semigroups[J]. JOURNAL OF EAST CHINA JIAOTONG UNIVERSTTY,2006,(2):135-137