Abstract. The purpose of this paper is to establish some types of Ulam stability: Ulam-Hyers stability, generalized Ulam-Hyers stability, Ulam-Hyers-Rassias stability and generalized Ulam-Hyers-Rassias stability for a class of implicit Hadamard fractional-order differential equation.Mathematics Subject Classification (2010): 26A33, 34A08.
In this manuscript, we examine the existence and the Ulam stability of solutions for a class of boundary value problems for nonlinear implicit fractional differential equations with instantaneous impulses in Banach spaces. The results are based on fixed point theorems of Darbo and Mönch associated with the technique of measure of noncompactness. We provide some examples to indicate the applicability of our results.
We deal with some impulsive Caputo-Fabrizio fractional differential equations in
b
b
-metric spaces. We make use of
α
-
ϕ
\alpha \text{-}\phi
-Geraghty-type contraction. An illustrative example is the subject of the last section.
In the present article, we prove some results concerning the existence of solutions for a class of initial value problem for nonlinear implicit fractional dierential equations with non-instantaneous impulses and generalized Hilfer fractional derivative in Banach spaces. The results are based on xed point theorems of Darbo and Mönch associated with the technique of measure of noncompactness. An example is included to show the applicability of our results.
This manuscript is devoted to proving some results concerning the existence of solutions to a class of boundary value problems for nonlinear implicit fractional differential equations with non-instantaneous impulses and generalized Hilfer fractional derivatives. The results are based on Banach’s contraction principle and Krasnosel’skii’s fixed point theorem. To illustrate the results, an example is provided.
This paper deals with some existence and Ulam stability results for some classes of implicit fractional q-difference equations with and without random effects in Banach spaces and Banach algebras. Our results are provided by applying the fixed point theory (Itoh's random fixed point theorem, the nonlinear alternative of Schaefer's type proved by Dhage, and an other Dhage's random fixed point theorem in Banach algebras). Other results about the extremal solutions and random extremal solutions under Carathéodory and certain monotonicity conditions are proved. In the final section, some illustrative examples are provided.
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