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Doctoral Thesis
DOI
https://doi.org/10.11606/T.55.2010.tde-22092010-114021
Document
Author
Full name
Thais Fernanda Mendes Monis
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2010
Supervisor
Committee
Biasi, Carlos (President)
Fernandes, Alexandre César Gurgel
Manzoli Neto, Oziride
Negreiros, Caio Jose Colletti
Rezende, Ketty Abaroa de
Title in Portuguese
Sobre teoremas de equilíbrio de Nash
Keywords in Portuguese
Equilíbrio de Nash
Número de Lefschetz
Ponto de coincidência
Ponto ótimo Pareto
Abstract in Portuguese
Nesse trabalho, aplicando métodos da Topologia Algébrica, nós obtivemos novas versões do teorema de equilíbrio de Nash. Nós definimos um conceito de equilíbrio local para jogos não cooperativos, o chamado equilíbrio local fraco, e demonstramos sua existência quando os espaços de estratégia são variedades diferenciáveis e as funções payoff são continuamente diferenciáveis. Nós demonstramos a ineficiência do equilíbrio local fraco no sentido de Pareto
Title in English
On Nash equilibrium theorems
Keywords in English
Coincidence point
Lefschetz number
Nash equilibrium
Pareto optimum point
Abstract in English
In this work, applying methods of Algebraic Topology, we obtain new versions of the Nash equilibrium theorem. We define a concept of local equilibrium for non-cooperative games, the socalled weak local equilibrium, and we prove its existence when the spaces of strategies are differentiable manifolds and the payoff functions are continuously differentiable. We prove the ineffciency of weak local equilibrium in the Pareto sense
 
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Publishing Date
2010-09-22
 
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