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《Journal of Qufu Normal University(Natural Science)》 2007-01
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Property of Fuzzy Rough Ideals in Fuzzy semigroups

CHEN Ling,LIU Wen-qi,ZHANG Zhen-liang(College of Mathematics & Physics,Kunming University of Science and Technology,650093,Kunming,Yunnan,PRC)  
Basing on the definition of the rough ideal in semigroup and it propertyes in Zhang Wen-xiu(2001).The definition of the strong fuzzy congruence on fuzzy point and the fuzzy rough ideal in fuzzy semigroups are given,and the main product propertyes of fuzzy rough ideals of two non-empty fuzzy subsets in fuzzy semigroup are discussed in this paper.So,the mathematical structure of the rough sets theory in fuzzy semigroups are completed and perfected.
【Fund】: 昆明理工大学重点学科理学科学子项目资助(5786项目)
【CateGory Index】: O159
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