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Abdelkader Stouti 원광대학교 기초자연과학연구소 2017 ANNALS OF FUZZY MATHEMATICS AND INFORMATICS Vol.14 No.2
In this paper, we first introduce the notion of (α, β)-intuitionistic fuzzy order relation for any two positive reals numbers α and β such that (α, β) ∈]0, 1] × [0, 1[ with α + β ≤ 1. Secondly, we prove the existence of a maximal and a minimal (α, β)-intuitionistic fuzzy fixed points. Also, we establish the existence of the greatest and the least (α, β)-intuitionistic fuzzy fixed points. Furthermore, we give an (α, β)-intuitionistic fuzzy version of Tarski’s fixed point Theorem.