In this paper,we study the existence of solutions to an implicit functional equation involving a fractional integral with respect to a certain function,which generalizes the Riemann-Liouville fractional integral and t...In this paper,we study the existence of solutions to an implicit functional equation involving a fractional integral with respect to a certain function,which generalizes the Riemann-Liouville fractional integral and the Hadaniard fractional integral.We establish an existence result to such kind of equations using a generalized version of Darbo's theorem associated to a certain measure of nonconipactness.Some examples are presented.展开更多
In the present paper,we derive the asymptotic expansion formula for the trapezoidal approximation of the fractional integral.We use the expansion formula to obtain approximations for the fractional integral of orders...In the present paper,we derive the asymptotic expansion formula for the trapezoidal approximation of the fractional integral.We use the expansion formula to obtain approximations for the fractional integral of ordersα,1+α,2+α,3+αand 4+α.The approximations are applied for computation of the numerical solutions of the ordinary fractional relaxation and the fractional oscillation equations expressed as fractional integral equations.展开更多
In this paper the fractional Euler-Lagrange equation is considered.The fractional equation with the left and right Caputo derivatives of order a∈(0,1]is transformed into its corresponding integral form.Next,we presen...In this paper the fractional Euler-Lagrange equation is considered.The fractional equation with the left and right Caputo derivatives of order a∈(0,1]is transformed into its corresponding integral form.Next,we present a numerical solution of the integral form of the considered equation.On the basis of numerical results,the convergence of the proposed method is determined.Examples of numerical solutions of this equation are shown in the final part of this paper.展开更多
基金support by the Ministerio de Economica y Competitividad of Spain under grant MTM2013-43014-PXUNTA under grants R2014/002 and GRC2015/004+1 种基金co-financed by the European Community fund FEDERextends his appreciation to Distinguished Scientist Fellowship Program(DSFP)at King Saud University(Saudi Arabia)
文摘In this paper,we study the existence of solutions to an implicit functional equation involving a fractional integral with respect to a certain function,which generalizes the Riemann-Liouville fractional integral and the Hadaniard fractional integral.We establish an existence result to such kind of equations using a generalized version of Darbo's theorem associated to a certain measure of nonconipactness.Some examples are presented.
基金This work was supported by the Bulgarian National Science Fund under Project KP-06-M32/2"Advanced Stochastic and Deterministic Approaches for Large-Scale Problems of Computational Mathematics"。
文摘In the present paper,we derive the asymptotic expansion formula for the trapezoidal approximation of the fractional integral.We use the expansion formula to obtain approximations for the fractional integral of ordersα,1+α,2+α,3+αand 4+α.The approximations are applied for computation of the numerical solutions of the ordinary fractional relaxation and the fractional oscillation equations expressed as fractional integral equations.
文摘In this paper the fractional Euler-Lagrange equation is considered.The fractional equation with the left and right Caputo derivatives of order a∈(0,1]is transformed into its corresponding integral form.Next,we present a numerical solution of the integral form of the considered equation.On the basis of numerical results,the convergence of the proposed method is determined.Examples of numerical solutions of this equation are shown in the final part of this paper.