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Licensed Unlicensed Requires Authentication Published by De Gruyter February 28, 2017

Method of upper and lower solutions for coupled system of nonlinear fractional integro-differential equations with advanced arguments

Neda Khodabakhshi, S. Mansour Vaezpour and J. Juan Trujillo
From the journal Mathematica Slovaca


In this paper, by means of upper and lower solutions, we develop monotone iterative method for the existence of extremal solutions for coupled system of nonlinear fractional integro-differential equations with advanced arguments. We illustrate this technique with the help of an example.

(Communicated by Michal Fečkan)


The authors would like to thank the referee for giving useful suggestions and comments for the improvement of this paper.


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Received: 2014-7-22
Accepted: 2015-3-16
Published Online: 2017-2-28
Published in Print: 2017-2-1

© 2017 Mathematical Institute Slovak Academy of Sciences