Sharp estimates on the solutions to combined fractional boundary value problems on the half-line
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Authors
Imed Bachar
- College of Science, Mathematics Department, King Saud University, P. O. Box 2455, Riyadh 11451, Saudi Arabia.
Habib Maagli
- College of Sciences and Arts, Rabigh Campus, Department of Mathematics, King Abdulaziz University, P. O. Box 344, Rabigh 21911, Saudi Arabia.
Abstract
We prove the existence and the uniqueness of a positive solution to the following combined fractional
boundary value problem on the half-line
\[
\begin{cases}
D^\alpha u(t)+a_1(t)u^{\sigma_1}+ a_2(t)u^{\sigma_2}=0,\,\,\,\,\, t\in (0,\infty), 1<\alpha<2\\
\lim_{t\rightarrow 0}t^{2-\alpha}u(t)=0,\lim_{t\rightarrow \infty}t^{1-\alpha}u(t) =0,
\end{cases}
\]
where \(D^\alpha\) is the standard Riemann{Liouville fractional derivative, \(\sigma_1; \sigma_2 \in (-1; 1)\), and \(a_1; a_2\) are non-negative continuous functions on (\(0,\infty\)), which may be singular at t = 0 and satisfying some convenient
assumptions related to the Karamata regular variation theory. We also give sharp estimates on such solution.
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ISRP Style
Imed Bachar, Habib Maagli, Sharp estimates on the solutions to combined fractional boundary value problems on the half-line, Journal of Nonlinear Sciences and Applications, 9 (2016), no. 5, 2331--2346
AMA Style
Bachar Imed, Maagli Habib, Sharp estimates on the solutions to combined fractional boundary value problems on the half-line. J. Nonlinear Sci. Appl. (2016); 9(5):2331--2346
Chicago/Turabian Style
Bachar, Imed, Maagli, Habib. "Sharp estimates on the solutions to combined fractional boundary value problems on the half-line." Journal of Nonlinear Sciences and Applications, 9, no. 5 (2016): 2331--2346
Keywords
- Riemann-Liouville fractional derivative
- Green's function
- Karamata regular variation theory
- positive solution
- fixed point theorem.
MSC
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