Browsing by Author "Sudsutad, Weerawat"

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    A New Gronwall-Bellman Inequality in Frame of Generalized Proportional Fractional Derivative
    (Mdpi, 2019) Alzabut, Jehad; Sudsutad, Weerawat; Kayar, Zeynep; Baghani, Hamid
    New versions of a Gronwall-Bellman inequality in the frame of the generalized (Riemann-Liouville and Caputo) proportional fractional derivative are provided. Before proceeding to the main results, we define the generalized Riemann-Liouville and Caputo proportional fractional derivatives and integrals and expose some of their features. We prove our main result in light of some efficient comparison analyses. The Gronwall-Bellman inequality in the case of weighted function is also obtained. By the help of the new proposed inequalities, examples of Riemann-Liouville and Caputo proportional fractional initial value problems are presented to emphasize the solution dependence on the initial data and on the right-hand side.