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Article type: Research Article
Authors: Karamat, Tahiraa | Ullah, Kifayata | Pamucar, Draganb; c; * | Akram, Mariaa
Affiliations: [a] Department of Mathematics, Riphah International University (Lahore Campus), Lahore, Pakistan | [b] Department of Operations Research and Statistics, Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia | [c] College of Engineering, Yuan Ze University, Taiwan
Correspondence: [*] Corresponding author. Dragan Pamucar and Kifayat Ullah, E-mails: [email protected] and [email protected].
Abstract: Prioritization is usually required in problems involving multi-attribute group decision-making (MAGDM). Several strategies and procedures have been introduced in fuzzy systems to apply prioritization. This study examines the MAGDM problem in a Pythagorean fuzzy (PF) setting with varying amounts of demand for specialists and attributes. We regard the novel Aczel Alsina aggregation operators (AOs) as the most addition to fuzzy mathematics that can deal with uncertainties significantly. We suggest a few PF AOs based on Aczel Alsina t-norm and t-conorm, including the PF-prioritized Aczel Alsina averaging (PFPAAA) and PF-prioritized Aczel Alsina geometric (PFPAAG) operators. It is proven that these AOs fulfil the aggregation criteria by investigating the properties of monotonicity, boundedness, and idempotency. The weights for prioritization are derived from the knowledge of experts, and the proposed operators can capture the phenomenon of prioritization among the aggregated arguments. The proposed AOs are then applied to assess fire extinguishers using a MAGDM technique. The importance of PFPAAA and PFPAAG operators is verified by comparing the proposed AOs with other well-known AOs.
Keywords: Pythagorean fuzzy sets, prioritized aggregation operators, Aczel-Alsina t-norm and t-conorm, decision-making methods, fire extinguishers
DOI: 10.3233/JIFS-231876
Journal: Journal of Intelligent & Fuzzy Systems, vol. 45, no. 4, pp. 5325-5351, 2023
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