Some algebraic properties and a distance measure for interval-valued fuzzy numbers

Authors:
Dug Hun Hong;Sungho Lee
Affiliations:
School of Mechanical and Automotive Engineering, Catholic University of Daegu, Kyongsan-si, 330 Kumrak 1-ri Hayang-up, Kyungbuk 712-702, Republic of Korea;Department of Statistics, Taegu University, Kyungbuk 712-714, Republic of Korea
Venue:
Information Sciences—Applications: An International Journal
Year:
2002

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Abstract

In this paper, we generalize results of Wang and Li [Fuzzy Sets and Systems 98 (1998) 331] on interval-valued fuzzy numbers and extend their operations with simple proofs. We also consider some algebraic properties and a distance measure for interval-valued fuzzy numbers.