Electronic Journal of Qualitative Theory of Differential Equations (Dec 2020)
Existence and Ulam type stability for nonlinear Riemann–Liouville fractional differential equations with constant delay
Abstract
A nonlinear Riemann–Liouville fractional differential equation with constant delay is studied. Initially, some existence results are proved. Three Ulam type stability concepts are defined and studied. Several sufficient conditions are obtained. Some of the obtained results are illustrated on fractional biological models.
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