In this paper, first we prove some lemma, then by using the nonlinear scalarization mapping, we present some fixed point theorems for a vector valued mapping. The main result obtained can be viewed as an extension, improvement and repairment of the main theorem given in Kostrykin and Oleynik (Fixed Point Theory Appl 2012:211, 2012).
Positivity – Springer Journals
Published: Jul 18, 2014
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