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Archiv der Mathematik

, 93:577 | Cite as

Vector variational principle

  • Ewa M. Bednarczuk
  • Dariusz Zagrodny
Article

Abstract

We prove an Ekeland’s type vector variational principle for monotonically semicontinuous mappings with perturbations given by a convex bounded subset of directions multiplied by the distance function. This generalizes the existing results where directions of perturbations are singletons.

Mathematics Subject Classification (2000)

58E30 58E17 65K10 

Keywords

Vector variational principle Countably orderable sets Németh approximate solutions Ekeland’s variational principle 

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Copyright information

© Birkhäuser Verlag Basel/Switzerland 2009

Authors and Affiliations

  1. 1.Cardinal Stefan Wyszyński UniversityWarsawPoland
  2. 2.Systems Research InstitutePolish Academy of SciencesWarsawPoland

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