Orderings over Intuitionistic Fuzzy Pairs Generated by the Power Mean and the Weighted Power Mean

Peter Vassilev (), Todor Stoyanov, Lyudmila Todorova, Alexander Marazov, Velin Andonov and Nikolay Ikonomov
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Peter Vassilev: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, 1113 Sofia, Bulgaria
Todor Stoyanov: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, 1113 Sofia, Bulgaria
Lyudmila Todorova: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, 1113 Sofia, Bulgaria
Alexander Marazov: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, 1113 Sofia, Bulgaria
Velin Andonov: Institute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 105, 1113 Sofia, Bulgaria
Nikolay Ikonomov: Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, Acad. G. Bonchev Str., Bl. 8, 1113 Sofia, Bulgaria

Mathematics, 2023, vol. 11, issue 13, 1-15

Abstract: In the present work, we prove a result concerning an ordering over intuitionistic fuzzy pairs generated by the power mean ( M p ) for p > 0 . We also introduce a family of orderings over intuitionistic fuzzy pairs generated by the weighted power mean ( M p α ) and prove that a similar result holds for them. The considered orderings in a natural way extend the classical partial ordering and allow the comparison of previously incomparable alternatives. In the process of proving these properties, we establish some inequalities involving logarithms which may be of interest by themselves. We also show that there exists p > 0 for which a finite set of alternatives, satisfying some reasonable requirements, some of which were not comparable under the classical ordering, has all its elements comparable under the new ordering. Finally, we provide some examples for the possible use of these orderings to a set of alternatives, which are in the form of intuitionistic fuzzy pairs as well as to results from InterCriteria Analysis.

Keywords: intuitionistic fuzzy pair; ordering; power mean; alternatives (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
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