Three new cut sets of fuzzy sets and new theories of fuzzy sets

Authors:
Xue-hai Yuan;Hongxing Li;E. Stanley Lee
Affiliations:
School of Electronic and Information Engineering, Dalian University of Technology, Dalian 116024, PR China;School of Electronic and Information Engineering, Dalian University of Technology, Dalian 116024, PR China;Department of Industrial and Manufacturing Systems Engineering, Kansas State University, Manhattan, KS 66506, USA
Venue:
Computers & Mathematics with Applications
Year:
2009

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Abstract

Three new cut sets are introduced from the view points of neighborhood and Q-neighborhood in fuzzy topology and their properties are discussed. By the use of these cut sets, new decomposition theorems, new representation theorems, new extension principles and new fuzzy linear mappings are obtained. Then inner project of fuzzy relations, generalized extension principle and new composition rule of fuzzy relations are given. In the end, we present axiomatic descriptions for different cut sets and show the three most intrinsic properties for each cut set.