Hamacher Interactive Hybrid Weighted Averaging Operators under Fermatean Fuzzy Numbers

Gulfam Shahzadi, G. Muhiuddin, Muhammad Arif Butt, Ather Ashraf and Sami Ullah Khan

Journal of Mathematics, 2021, vol. 2021, 1-17

Abstract: A Fermatean fuzzy set is a more powerful tool to deal with uncertainties in the given information as compared to intuitionistic fuzzy set and Pythagorean fuzzy set and has energetic applications in decision-making. Aggregation operators are very helpful for assessing the given alternatives in the decision-making process, and their purpose is to integrate all the given individual evaluation values into a unified form. In this research article, some new aggregation operators are proposed under the Fermatean fuzzy set environment. Some deficiencies of the existing operators are discussed, and then, new operational law, by considering the interaction between the membership degree and nonmembership degree, is discussed to reduce the drawbacks of existing theories. Based on Hamacher’s norm operations, new averaging operators, namely, Fermatean fuzzy Hamacher interactive weighted averaging, Fermatean fuzzy Hamacher interactive ordered weighted averaging, and Fermatean fuzzy Hamacher interactive hybrid weighted averaging operators, are introduced. Some interesting properties related to these operators are also presented. To get the optimal alternative, a multiattribute group decision-making method has been given under proposed operators. Furthermore, we have explicated the comparison analysis between the proposed and existing theories for the exactness and validity of the proposed work.

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jjmath:5556017

DOI: 10.1155/2021/5556017

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