fixed point;
mixed monotone ternary operator;
normal cone;
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摘要:
In this paper, partial order theory is used to study the fixed point of a mixed monotone ternary operator A:P×P×P→P. The existence and uniqueness of a fixed point are obtained without assuming the operators to be compact or continuous. In the end, the application to an integral equation is presented. Our results unify, generalize, and complement various known comparable results from the current literature.
机构:
Fundacao Getulio Vargas, Escola Posgrad Econ, BR-22250900 Rio De Janeiro, BrazilFundacao Getulio Vargas, Escola Posgrad Econ, BR-22250900 Rio De Janeiro, Brazil
Martins-da-Rocha, V. Filipe
Vailakis, Yiannis
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机构:
Univ Exeter, Sch Business, Dept Econ, Exeter EX4 4PU, Devon, EnglandFundacao Getulio Vargas, Escola Posgrad Econ, BR-22250900 Rio De Janeiro, Brazil
机构:
Département de Mathématiques, Faculté des Sciences, Université Ibn Tofaïl, B.P. 133, KénitraDépartement de Mathématiques, Faculté des Sciences, Université Ibn Tofaïl, B.P. 133, Kénitra