Comparison principles for differential equations involving caputo fractional derivative with mittag-leffler non-singular kernel

Mohammed Al-Refai

Research output: Contribution to journalArticlepeer-review

18 Citations (Scopus)

Abstract

In this article we study linear and nonlinear differential equations involving the Caputo fractional derivative with Mittag-Leffler non-singular kernel of order 0 < α < 1. We first obtain a new estimate of the fractional derivative of a function at its extreme points and derive a necessary condition for the existence of a solution to the linear fractional equation. The condition obtained determines the initial condition of the associated fractional initialvalue problem. Then we derive comparison principles for the linear fractional equations, and apply these principles for obtaining norm estimates of solutions and to obtain a uniqueness results. We also derive lower and upper bounds of solutions. The applicability of the new results is illustrated through several examples.

Original languageEnglish
Article number36
JournalElectronic Journal of Differential Equations
Volume2018
Publication statusPublished - Jan 29 2018

Keywords

  • Fractional differential equations
  • Maximum principle

ASJC Scopus subject areas

  • Analysis

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