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Open AccessArticle

Pythagorean Fuzzy Dombi Aggregation Operators and Their Application in Decision Support System

1
College of Economics and Management, Northwest A& F University, Yangling, Shaanxi 712100, China
2
Department of Mathematics, Abdul Wali Khan University, Mardan 23200, Pakistan
*
Author to whom correspondence should be addressed.
Symmetry 2019, 11(3), 383; https://doi.org/10.3390/sym11030383
Received: 7 January 2019 / Revised: 6 March 2019 / Accepted: 8 March 2019 / Published: 15 March 2019
(This article belongs to the Special Issue Multi-Criteria Decision Aid methods in fuzzy decision problems)
Keeping in mind the importance and well growing Pythagorean fuzzy sets, in this paper, some novel operators for Pythagorean fuzzy sets and their properties are demonstrated. In this paper, we develop a comprehensive model to tackle decision-making problems where strong points of view are in the favour and against the some projects, entities or plans. Therefore, a new approach, based on Pythagorean fuzzy set models by means of Pythagorean fuzzy Dombi aggregation operators is proposed. An approach to deal with decision-making problems using Pythagorean Dombi averaging and Dombi geometric aggregation operators is established. This model has a stronger capability than existing averaging, geometric, Einstein, logarithmic averaging and logarithmic geometric aggregation operators for Pythagorean fuzzy information. Finally, the proposed method is demonstrated through an example of how the proposed method helps us and is effective in decision-making problems. View Full-Text
Keywords: Pythagorean fuzzy sets; Dombi operations; Pythagorean fuzzy Dombi aggregation operators; decision support system Pythagorean fuzzy sets; Dombi operations; Pythagorean fuzzy Dombi aggregation operators; decision support system
MDPI and ACS Style

Khan, A.A.; Ashraf, S.; Abdullah, S.; Qiyas, M.; Luo, J.; Khan, S.U. Pythagorean Fuzzy Dombi Aggregation Operators and Their Application in Decision Support System. Symmetry 2019, 11, 383.

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