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The existence and Ulam–Hyers stability results for $$\psi $$-Hilfer fractional integrodifferential equations

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We establish sufficient conditions for the existence and uniqueness of solutions for a class of nonlinear fractional integrodifferential equations with boundary conditions involving $$\psi $$ -Hilfer fractional derivative of order… Click to show full abstract

We establish sufficient conditions for the existence and uniqueness of solutions for a class of nonlinear fractional integrodifferential equations with boundary conditions involving $$\psi $$ -Hilfer fractional derivative of order $$0<\alpha <1 $$ and type $$0\le \beta \le 1$$ . Different types of Ulam–Hyers stability for solutions of the given problem are also discussed. The desired results are proved in weighted spaces with the aid of fixed point theorems due to Schauder, Schaefer and Banach together with generalized Gronwall inequality. Examples illustrating the obtained results are presented.

Keywords: ulam hyers; hyers stability; integrodifferential equations; hilfer fractional; fractional integrodifferential; psi hilfer

Journal Title: Journal of Pseudo-differential Operators and Applications
Year Published: 2020

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