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Improvements in a method for solving fractional integral equations with some links with fractional differential equations

  • Daniel Cao Labora EMAIL logo und Rosana Rodríguez-López
Veröffentlicht/Copyright: 13. März 2018
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Abstract

In this work, we apply and extend our ideas presented in [4] for solving fractional integral equations with Riemann-Liouville definition. The approach made in [4] turned any linear fractional integral equation with constant coefficients and rational orders into a similar one, but with integer orders. If the right hand side was smooth enough we could differentiate at both sides to arrive to a linear ODE with constant coefficients and some initial conditions, that can be solved via an standard procedure.

In this procedure, there were two major obstacles that did not allow to obtain a full result. These were the assumptions over the smoothness of the source term and the assumption about the rationality of the orders.

So, one of the main topics of this document is to describe a modification of the procedure presented in [4], when the source term is not smooth enough to differentiate the required amount of times. Furthermore, we will also study the fractional integral equations with non-rational orders by a limit process of fractional integral equations with rational orders.

Finally, we will connect the previous material with some fractional differential equations with Caputo derivatives described in [7]. For instance, we will deal with the fractional oscillation equation, the fractional relaxation equation and, specially, its particular case of the Basset problem. We also expose how to compute these solutions for the Riemann-Liouville case.

Acknowledgements

The research of R. Rodríguez-López was partially supported by grant number MTM2016-75140-P (AEI/FEDER, UE); and also by grant number MTM2013-43014-P [Ministerio de Economía y Competitividad, co-financed by the European Community fund FEDER].

The research of D. Cao Labora was partially supported by a PhD scholarship from Xunta de Galicia until 15/10/2017 and, since then, by a PhD scholarship from Ministerio de Educación, Cultura y Deporte (FPU).

Furthermore, we want to thank Professor Francesco Mainardi for providing us many documents and information on the topic of the Basset problem. This help allowed us to build new approaches in the resolution of some concrete problems which involve fractional differential equations.

References

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Received: 2017-10-22
Published Online: 2018-3-13
Published in Print: 2018-2-23

© 2018 Diogenes Co., Sofia

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