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Interval valued intuitionistic fuzzy sets

Fuzzy Sets and Systems, 1989
The intuitionistic fuzzy sets (IFS's) of the first author [Fuzzy Sets Syst. 20, 87--96 (1986; Zbl 0631.03040)] are at each point of a given universe of discourse characterized by a pair of degrees: one for membership and the other for non-membership.
Atanassov, K., Gargov, G.
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Correlation of interval-valued intuitionistic fuzzy sets

Fuzzy Sets and Systems, 1995
Abstract In this paper we introduce the concepts of correlation and correlation coefficient of interval-valued intuitionistic fuzzy sets and we study their first properties. We also introduce two decomposition theorems of the correlation of interval-valued intuitionistic fuzzy sets, one in terms of the correlation of interval-valued fuzzy sets and ...
Bustince, H., Burillo, P.
openaire   +3 more sources

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