Characterization of unidimensional averaged similarities

A T-indistinguishability operator (or fuzzy similarity relation) E is called unidimensional when it may be obtained from one single fuzzy subset (or fuzzy criterion). In this paper, we study when a T-indistinguishability operator that has been obtained as an average of many unidimensional ones is un...

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Detalles Bibliográficos
Autores: Boixader Ibáñez, Dionís|||0000-0003-0177-0560, Recasens Ferrés, Jorge|||0000-0003-2304-0032
Tipo de recurso: artículo
Fecha de publicación:2017
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/116569
Acceso en línea:https://hdl.handle.net/2117/116569
https://dx.doi.org/10.1016/j.jal.2016.11.003
Access Level:acceso abierto
Palabra clave:Fuzzy logic
Indistinguishability operator
Generator
Quasi-arithmetic mean
Representation theorem
Lògica difusa
Àrees temàtiques de la UPC::Matemàtiques i estadística::Lògica matemàtica
Descripción
Sumario:A T-indistinguishability operator (or fuzzy similarity relation) E is called unidimensional when it may be obtained from one single fuzzy subset (or fuzzy criterion). In this paper, we study when a T-indistinguishability operator that has been obtained as an average of many unidimensional ones is unidimensional too. In this case, the single fuzzy subset used to generate E is explicitly obtained as the quasi-arithmetic mean of all the fuzzy criteria primarily involved in the construction of E.