Introducing the Third-Order Fuzzy Superordination Concept and Related Results

Georgia Irina Oros, Simona Dzitac and Daniela Andrada Bardac-Vlada ()
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Georgia Irina Oros: Department of Mathematics and Computer Science, Faculty of Informatics and Sciences, University of Oradea, 410087 Oradea, Romania
Simona Dzitac: Department of Energy Engineering, Faculty of Energy Engineering and Industrial Management, University of Oradea, Universitatii 1, 410087 Oradea, Romania
Daniela Andrada Bardac-Vlada: Doctoral School of Engineering Sciences, University of Oradea, 410087 Oradea, Romania

Mathematics, 2024, vol. 12, issue 19, 1-12

Abstract: Third-order fuzzy differential subordination studies were recently initiated by developing the main concepts necessary for obtaining new results on this topic. The present paper introduces the dual concept of third-order fuzzy differential superordination by building on the known results that are valid for second-order fuzzy differential superordination. The outcome of this study offers necessary and sufficient conditions for determining subordinants of a third-order fuzzy differential superordination and, furthermore, for finding the best subordinant for such fuzzy differential superordiantion, when it can be obtained. An example to suggest further uses of the new outcome reported in this work is enclosed to conclude this study.

Keywords: fuzzy set; third-order fuzzy differential subordination; third-order fuzzy differential superordination; fuzzy subordinant; best fuzzy subordinant (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2024
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