Nabanita Konwar, P. Debnath, S. Radenović, H. Aydi
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A New Extension of Banach-Caristi Theorem and its Application to Nonlinear Functional Equations
In this paper, we present a new extension of Banach-Caristi type theorem for multivalued mappings. We show that our result is not a consequence of multivalued version of Banach contraction principle due to Nadler. We provide an application of our result to the solution of functional equations.