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Axiomática para el grado muitivaluado

Abstract

First published in Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales in volume 82, number 2, published by the Real Academia de Ciencias Exactas, Físicas y Naturales.In this paper we develop an axiomatic theory for the multivalued degree that preserves the basic properties of the classical degree. We apply it to obtain fixed point theroems and existence of solution fix) = p. We give a method to extend this degree

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