Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
4620704 | Journal of Mathematical Analysis and Applications | 2008 | 8 Pages |
Abstract
We present a simple proof of vectorial Ekeland's variational principle, vectorial Caristi's fixed point theorem and vectorial Takahashi's nonconvex minimization theorem. Equivalences between the three theorems are also given.
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