In this paper some existence results for critical points of extremum in conical annular regions are established by Ekeland’s variational principle. An application to two-point boundary value problems is included to illustrate the theory.
Department of Mathematics, Babes-Bolyai University, Cluj-Napoca, Romania
R. Precup, Critical point localization theorems via Ekeland’s variational principle, Dynamic Systems and Applications, 22 (2013), pp. 355-370
Dynamic Systems and Applications
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