tailieunhanh - Hindawi Publishing Corporation Advances in Difference Equations Volume 2010, Article ID 127093, 11

Hindawi Publishing Corporation Advances in Difference Equations Volume 2010, Article ID 127093, 11 pages doi: Research Article On the Existence of Locally Attractive Solutions of a Nonlinear Quadratic Volterra Integral Equation of Fractional Order Mohamed I. Abbas Department of Mathematics, Faculty of Science, Alexandria University, Alexandria, Egypt Correspondence should be addressed to Mohamed I. Abbas, m i abbas77@ Received 19 May 2010; Accepted 25 November 2010 Academic Editor: Mouffak Benchohra Copyright q 2010 Mohamed I. Abbas. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work. | Hindawi Publishing Corporation Advances in Difference Equations Volume 2010 Article ID 127093 11 pages doi 2010 127093 Research Article On the Existence of Locally Attractive Solutions of a Nonlinear Quadratic Volterra Integral Equation of Fractional Order Mohamed I. Abbas Department of Mathematics Faculty of Science Alexandria University Alexandria Egypt Correspondence should be addressed to Mohamed I. Abbas mLabbas77@ Received 19 May 2010 Accepted 25 November 2010 Academic Editor Mouffak Benchohra Copyright 2010 Mohamed I. Abbas. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. The authors employs a hybrid fixed point theorem involving the multiplication of two operators for proving an existence result of locally attractive solutions of a nonlinear quadratic Volterra integral equation of fractional arbitrary order. Investigations will be carried out in the Banach space of real functions which are defined continuous and bounded on the real half axis R . 1. Introduction The theory of differential and integral equations of fractional order has recently received a lot of attention and now constitutes a significant branch of nonlinear analysis. Numerous research papers and monographs have appeared devoted to differential and integral equations of fractional order cf. . 1-6 . These papers contain various types of existence results for equations of fractional order. In this paper we study the existence of locally attractive solutions of the following nonlinear quadratic Volterra integral equation of fractional order x i f f x f q i r r f g ỵa ds r w 0 t - s for all t e Rf and a e 0 1 in the space of real functions defined continuous and bounded on an unbounded interval. 2 Advances in Difference Equations It is worthwhile mentioning that up to now integral equations of fractional order .

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