Abstract
In the present paper, the concept of nonlinear $F$-contraction formultivalued mappings in metric spaces is introduced and considering the new proof technique, which was used for single valued maps by Wardowski [D. Wardowski, Fixed points of a new type of contractive mappings in complete metric spaces, Fixed Point Theory Appl. 2012, 2012:94, 6 pp.], we demonstrate that multivalued nonlinear $F$-contractions of C iri c type are weakly Picard operators on complete metric spaces. Finally, we give a nontrivial example to guarantee that our result is veritable generalization of recent result of C iri c [Lj. B. C iri c , Multi-valued nonlinear contraction mappings, Nonlinear Analysis , 71 (2009), 2716-2723]. Also, we show that many fixed point results in the literature can not be applied to this example.
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