Title of paper:
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A note on properties of temporal intuitionistic fuzzy sets
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Author(s):
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Parvathi Rangasamy
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Department of Mathematics, Vellalar College for Women, Erode – 638 012,Tamilnadu, India
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paarvathis@rediffmail.com
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S. P. Geetha
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Department of Mathematics, Vellalar College for Women, Erode – 638 012,Tamilnadu, India
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geetha_sams@rediffmail.com
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Presented at:
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13th ICIFS, Sofia, 9-10 May 2009
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Published in:
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"Notes on Intuitionistic Fuzzy Sets", Volume 15 (2009) Number 1, pages 42—48
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Download:
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PDF (93 Kb, File info)
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Abstract:
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Fuzzy Sets (FSs) are generalized from the notion of classical (crisp) sets (Zadeh 1965) [8]. A fuzzy subset A of E can be characterized with a membership function µA : E → [0, 1]. Krassimir T. Atanassov further generalized fuzzy sets into Intuitionistic Fuzzy Sets (IFSs) in which non-membership function νA : E → [0, 1] is also considered [7]. Further he extended IFSs into Temporal Intuitionistic Fuzzy Sets (TIFSs) in which time-moments are also taken into consideration. TIFSs are useful in time-based mathematical modeling. In this paper, some properties of TIFSs are discussed.
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Keywords:
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IFS, TIFS, Closure, Interior, Tautological sets, Max-min implications, Level sets, [math]\displaystyle{ G^*_{\alpha, \beta} }[/math], [math]\displaystyle{ P_{\alpha, \beta} }[/math] and [math]\displaystyle{ Q_{\alpha, \beta} }[/math].
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References:
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- L.A.Zadeh, Fuzzy Sets, Information and Control, Vol.8, 1965, pp.338-353.
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