(θ{symbol}, T)-fuzzy rough approximation operators and the TL-fuzzy rough ideals on a ring

Information Sciences

Volumn 177, Issue 21, 2007, Pages 4711-4726

  Li, Fei ^a   Yin, Yunqiang ^b   Lu, Lingxia ^c  

^a BEIJING INSTITUTE OF TECHNOLOGY   (China)

^b BEIJING NORMAL UNIVERSITY   (China)

^c HEBEI GEO UNIVERSITY   (China)

Author keywords

( symbol , T) fuzzy rough approximation operator; ( symbol , T) fuzzy rough ideal; L fuzzy relation; T congruence L fuzzy relation; TL fuzzy ideal

Indexed keywords

APPROXIMATION THEORY; FUZZY SETS; INFORMATION SCIENCE;

FUZZY ROUGH APPROXIMATION OPERATOR; L-FUZZY RELATION; T-CONGRUENCE L-FUZZY RELATION; TL-FUZZY IDEAL;

MATHEMATICAL OPERATORS;

EID: 34547788720     PISSN: 00200255     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ins.2007.05.012     Document Type: Article

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