Interval-Valued Picture Fuzzy Uncertain Linguistic Dombi Operators and Their Application in Industrial Fund Selection

Abstract

This study presents an advanced generalization of uncertain linguistic numbers (ULNs) and intervalvalued intuitionistic uncertain linguistic numbers (IVIULNs) through the development of interval-valued picture fuzzy numbers (IVPFNs).Firstly, the IVPFUL weighted average and IVPFUL weighted geometric operators, denoted as IVPFULWA and IVPFULWG, have been introduced.Furthermore, the IVPFUL Dombi weighted average and geometric operators, represented by IVPFULDWA and IVPFULDWG, are also proposed in the same context.These operators are utilized to establish a multi-attribute decision-making (MADM) approach with IVPFUL data.Finally, the proposed methodology is applied to a mutual fund selection problem through a demonstrative example.

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