Perturbed Minimization Principles and Dependent Choice
摘要
The Perturbed Minimization Principle in Deville and Ghoussoub [Handbook Geom. Banach Sp., Vol I, Ch 10, Elsevier Sci., 2001] is equivalent with the Dependent Choice Principle, and as such, equivalent with Ekeland’s Variational Principle [J. Math. Anal. Appl., 47 (1974), 324–353].