On the Complete Lattice Structure of Ordered Functional Weighted Averaging Operators

Roberto G. Aragón (), Jesús Medina (), Samuel Molina-Ruiz and Ronald R. Yager
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Roberto G. Aragón: Department of Mathematics, University of Cadiz, 11510 Puerto Real, Spain
Jesús Medina: Department of Mathematics, University of Cadiz, 11510 Puerto Real, Spain
Samuel Molina-Ruiz: Department of Mathematics, University of Cadiz, 11510 Puerto Real, Spain
Ronald R. Yager: Machine Intelligence Institute, Lona College, New Rochelle, NY 10801, USA

Mathematics, 2025, vol. 13, issue 5, 1-12

Abstract: Ordered functional weighted averaging (OFWA) operators are a generalization of the well-known ordered weighted averaging (OWA) operators in which functions, instead of single values, are considered as weights. This fact offers an extra level of flexibility; for example, in multi-criteria decision-making, it can be used to aggregate available information and provide recommendations. This paper furthers the analysis of these general operators, studying how they can be combined to obtain conservative and aggressive perspectives from experts and studying the algebraic structure of the whole set of these operators.

Keywords: aggregation operator; multi-criteria decision-making; ordered weighted averaging operator (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2025
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