AIMS Mathematics (May 2024)

Ulam-Hyers stability and existence results for a coupled sequential Hilfer-Hadamard-type integrodifferential system

  • Subramanian Muthaiah ,
  • Manigandan Murugesan,
  • Muath Awadalla,
  • Bundit Unyong,
  • Ria H. Egami

DOI
https://doi.org/10.3934/math.2024784
Journal volume & issue
Vol. 9, no. 6
pp. 16203 – 16233

Abstract

Read online

This study aimed to investigate the existence, uniqueness, and Ulam-Hyers stability of solutions in a nonlinear coupled system of Hilfer-Hadamard sequential fractional integrodifferential equations, which were further enhanced by nonlocal coupled Hadamard fractional integrodifferential multipoint boundary conditions. The desired conclusions were obtained by using well-known fixed-point theorems. It was emphasized that the fixed-point technique was useful in determining the existence and uniqueness of solutions to boundary value problems. In addition, we examined the solution's Ulam-Hyers stability for the suggested system. The resulting results were further demonstrated and validated using demonstration instances.

Keywords