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Three Fixed Point Theorems: Periodic Solutions of a Volterra Type Integral Equation with Infinite Heredity

Published online by Cambridge University Press:  20 November 2018

Muhammad N. Islam*
Affiliation:
Department of Mathematics, University of Dayton, Dayton, OH 45469-2316 USA e-mail: [email protected]
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Abstract

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In this paper we study the existence of periodic solutions of a Volterra type integral equation with infinite heredity. Banach fixed point theorem, Krasnosel'skii's fixed point theorem, and a combination of Krasnosel'skii's and Schaefer's fixed point theorems are employed in the analysis. The combination theorem of Krasnosel'skii and Schaefer requires an a priori bound on all solutions. We employ Liapunov's direct method to obtain such an a priori bound. In the process, we compare these theorems in terms of assumptions and outcomes.

Type
Research Article
Copyright
Copyright © Canadian Mathematical Society 2013

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