Abstract

The partitioned Bonferroni mean (PBM) operator can efficiently aggregate inputs, which are divided into parts based on their interrelationships. To date, it has not been used to aggregate linguistic Pythagorean fuzzy numbers (LPFNs). In this paper, we extend the PBM operator and partitioned geometric Bonferroni mean (PGBM) operator to the linguistic Pythagorean fuzzy sets (LPFSs) and use them to develop a novel multiattribute group decision-making model under the linguistic Pythagorean fuzzy environment. We first define some novel operational laws for LPFNs, which take into consideration the interactions between the membership degree (MD) and nonmembership degree (NMD) from two different LPFNs. Based on these novel operational laws, we put forward the interaction PBM (LPFIPBM) operator, the weighted interaction PBM (LPFWIPBM) operator, the interaction PGBM (LPFIPGBM) operator, and the weighted interaction PGBM (LPFWIPGBM) operator. Then, we study some properties of these proposed operators and discuss their special cases. Based on the proposed LPFWIPBM and LPFWIPGBM operators, a novel multiattribute group decision-making model is developed to process the linguistic Pythagorean fuzzy information. Finally, some illustrative examples are introduced to compare our proposed methods with the existing ones.

Highlights

  • Multiattribute group decision-making refers to a process where a group of decision-makers are invited to participate in the assessment of some given alternatives and the optimal one is selected or all of them are ranked based on their assessment information [1,2,3]

  • To deal with the above drawbacks, in this paper, we focus on proposing some linguistic Pythagorean fuzzy interaction partitioned Bonferroni mean (LPFIPBM) aggregation operators to aggregate linguistic Pythagorean fuzzy numbers (LPFNs)

  • (5) An illustrative example concerning the selection of solid state drive (SSD) production is utilized to show the implementation process of the proposed multiattribute group decision-making models (MAGDMM) based on the LPFIPBM aggregation operators and it is compared with the previous study under the linguistic Pythagorean fuzzy environment

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Summary

Introduction

Multiattribute group decision-making refers to a process where a group of decision-makers are invited to participate in the assessment of some given alternatives and the optimal one is selected or all of them are ranked based on their assessment information [1,2,3]. (1) Previous aggregation operators cannot deal with the situation that the attributes in the same set are related with each other, while the attributes in the different sets have no relationship with each other They calculate the averaging value or geometric value of a set of LPFNs and do not consider the complex relationships among the attributes. (4) The proposed LPFIPBM aggregation operators are used to develop a novel MAGDMM to fuse the LPFNs under the situation that the attributes in the same set are related with each other and the ones in the different sets are not related. (5) An illustrative example concerning the selection of solid state drive (SSD) production is utilized to show the implementation process of the proposed MAGDMM based on the LPFIPBM aggregation operators and it is compared with the previous study under the linguistic Pythagorean fuzzy environment.

Preliminaries
Interactional Operational Rules for LPFNs
Novel MAGDM Method Using the LPFWIPBM or LPFWIPGBM Operator
Illustrative Example and Comparison Analysis
Methods
Conclusions
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