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FUZZY ECONOMIC REVIEW

ISSN (print) 1136-0593 · ISSN (online) 2445-4192

FUZZY ECONOMIC REVIEW, Volume XVII

Fuzzy sets application to healthcare systems

Luisa L. Lazzari, Patricia I. Moulia. University of Buenos Aires

The fuzzy set concept was introduced by Lotfi A. Zadeh in 1965 to provide a tool to describe vague predicates or classes with imprecise boundaries and which enable an uncertainty nonadditive calculation, based on soft operators. Zadeh recognises that conventional quantitative techniques of systems analysis are intrinsically inappropriate to address…
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Optimal use of cellphone frequencies with robust graph coloring

P. Lara-Velázquez, L. Gallardo-López, E.A. Rincón-García. Autónoma Metropolitana University

S.G. de-los-Cobos-Silva, M.Á. Gutiérrez-Andrade. Autónoma Metropolitan Iztapalapa University

The Robust Coloring Problem (RCP) is an NP-Hard problem for which had been developed many applications. In this work a Model based in Robust Coloring Problem is developed for the frequency assignment in cellphones that increases 25% the capacity installed nowadays. The model is tested with lifelike instances and is…
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