In this article, we study the oscillation of solutions to a nonlinear forced fractional differential equation. The fractional derivative is defined in the sense of the modified Riemann-Liouville derivative. Based on a transformation of variables and properties of the modified Riemann-liouville derivative, the fractional differential equation is transformed into a second-order ordinary different...

Abstract In this paper we introduce a fractional variant of the characteristic function random variable. It exists on whole real line, and is uniformly continuous. We show that moments can be expressed in terms Riemann–Liouville integrals derivatives function. The are interest particular for distributions whose integer do not exist. Some illustrative examples also presented.

In this paper, under some super- and sub-linear growth conditions, we study the existence of positive solutions for a high-order Riemann–Liouville type fractional integral boundary value problem involving derivatives. Our analysis methods are based on fixed point index nonsymmetric property Green function. Additionally, provide valid examples to illustrate our main results.

Firstly, the surveys for studies on boundary value problems for higher order ordinary differential equations and for higher order fractional differential equations are given. Secondly a simple review for studies on solvability of boundary value problems for impulsive fractional differential equations is presented. Thirdly we propose four classes of higher order linear fractional differential eq...

Abstract In this paper, we study a nonlinear fractional p-Laplacian boundary value problem containing both left Riemann–Liouville and right Caputo derivatives with initial integral conditions. Some new results on the existence uniqueness of solution for model are obtained as well Ulam stability solutions. Two examples provided to show applicability our results.

This paper adopts an efficient meshless approach for approximating the nonlinear fractional fourth-order diffusion model described in Riemann–Liouville sense. A second-order difference technique is applied to discretize temporal derivatives, while radial basis function generated finite scheme approximates spatial derivatives. One key advantage of local collocation method approximation derivativ...

in this article, we verify existence and uniqueness of positive and nondecreasing solution for nonlinear boundary value problem of fractional differential equation in the form d_{0^{+}}^{alpha}x(t)+f(t,x(t))=0, 0x(0)= x'(0)=0, x'(1)=beta x(xi), where $d_{0^{+}}^{alpha}$ denotes the standard riemann-liouville fractional derivative, 0an illustrative example is also presented.

Fractional derivatives are used to model the transmission of many real world problems like COVID-19. It is always hard find analytical solutions for such models. Thus, approximate interest in interesting applications. Stability theory introduces using some conditions. This article devoted investigation stability nonlinear differential equations with Riemann-Liouville fractional derivative. We e...

Abstract In this paper, we first provide a short summary of the main properties so-called general fractional derivatives with Sonin kernels introduced so far. These are integro-differential operators defined as compositions order derivative and an integral operator convolution type. Depending on succession these operators, Riemann-Liouville Caputo types were studied. The objective paper is cons...

The numerical solution of the 2-D time-fractional Sobolev equations is approximated using an efficient local differential quadrature method, in this paper. part model uses Liouville-Caputo fractional derivative technique, however, recommended meshless method employed for space derivatives. Test problems are used to undertake experiments. In order evaluate effectiveness and accuracy suggested we...