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In this work, we present several ways to obtain different types of weighting triangles, due to these types characterize some interesting properties of Extended Ordered Weighted Averaging operators, EOWA, and Extended Quasi–linear Weighted Mean, EQLWM, as well as of their reverse functions. We show that any quantifier determines an EOWA operator which is(More)
Keywords: OWA operators Interval-valued fuzzy sets Ka operators Generalized Ka operators Dispersion a b s t r a c t In this paper we prove that, under suitable conditions, Atanassov's K a operators, which act on intervals, provide the same numerical results as OWA operators of dimension two. On one hand, this allows us to recover OWA operators from K a(More)