Results 21 to 30 of about 806,938 (302)

Investigation of a Nonlinear Coupled (k, ψ)–Hilfer Fractional Differential System with Coupled (k, ψ)–Riemann–Liouville Fractional Integral Boundary Conditions

Foundations, 2022
This paper is concerned with the existence of solutions for a new boundary value problem of nonlinear coupled (k,ψ)–Hilfer fractional differential equations subject to coupled (k,ψ)–Riemann–Liouville fractional integral boundary conditions.
Ayub Samadi, Sotiris K. Ntouyas, Bashir Ahmad, Jessada Tariboon   +3 more
doaj   +1 more source

Nonlinear Langevin Equation of Hadamard-Caputo Type Fractional Derivatives with Nonlocal Fractional Integral Conditions

Advances in Mathematical Physics, 2014
We study existence and uniqueness of solutions for a problem consisting of nonlinear Langevin equation of Hadamard-Caputo type fractional derivatives with nonlocal fractional integral conditions. A variety of fixed point theorems are used, such as Banach’
Jessada Tariboon, Sotiris K. Ntouyas, Chatthai Thaiprayoon   +2 more
doaj   +1 more source

Nonlocal boundary value problems for Hilfer-type pantograph fractional differential equations and inclusions

Advances in Difference Equations, 2020
In this paper, we study boundary value problems, involving the Hilfer fractional derivative, for pantograph fractional differential equations and inclusions supplemented by nonlocal integral boundary conditions.
Athasit Wongcharoen, Sotiris K. Ntouyas, Jessada Tariboon   +2 more
doaj   +1 more source

On a Coupled Differential System Involving (k,ψ)-Hilfer Derivative and (k,ψ)-Riemann–Liouville Integral Operators

Axioms, 2023
We investigate a nonlinear, nonlocal, and fully coupled boundary value problem containing mixed (k,ψ^)-Hilfer fractional derivative and (k,ψ^)-Riemann–Liouville fractional integral operators.
Ayub Samadi, Sotiris K. Ntouyas, Bashir Ahmad, Jessada Tariboon   +3 more
doaj   +1 more source

Detecting intrinsic slow variables in stochastic dynamical systems by anisotropic diffusion maps [PDF]

, 2009
Nonlinear independent component analysis is combined with diffusion-map data analysis techniques to detect good observables in high-dimensional dynamic data.
A. Singer, R. Erban, I. G. Kevrekidis, R. R. Coifman, Lange, Belkin, Erban, Erban, Tyson   +8 more
core   +3 more sources

Impulsive Multiorders Riemann-Liouville Fractional Differential Equations

Discrete Dynamics in Nature and Society, 2015
Impulsive multiorders fractional differential equations are studied. Existence and uniqueness results are obtained for first- and second-order impulsive initial value problems by using Banach’s fixed point theorem in an appropriate weighted space ...
Weera Yukunthorn, Sotiris K. Ntouyas, Jessada Tariboon   +2 more
doaj   +1 more source

Numerical and experimental comparisons of vortex-induced vibrations of marine risers in uniform/sheared currents [PDF]

, 2010
This paper presents a general theoretical reduced-order model capable of evaluating the multi-mode nonlinear dynamics of marine risers subject to uniform and sheared currents.
O'Brien, Patrick, Srinil, Narakorn, Wiercigrocha, Marian   +2 more
core   +2 more sources

Existence of Solutions for Fractional q-Integrodifference Equations with Nonlocal Fractional q-Integral Conditions

Abstract and Applied Analysis, 2014
We study a class of fractional q-integrodifference equations with nonlocal fractional q-integral boundary conditions which have different quantum numbers.
Suphawat Asawasamrit, Jessada Tariboon, Sotiris K. Ntouyas   +2 more
doaj   +1 more source

A Study of Nonlinear Fractional-Order Boundary Value Problem with Nonlocal Erdelyi-Kober and Generalized Riemann-Liouville Type Integral Boundary Conditions

Mathematical Modelling and Analysis, 2017
We investigate a new kind of nonlocal boundary value problems of nonlinear Caputo fractional differential equations supplemented with integral boundary conditions involving Erdelyi-Kober and generalized Riemann-Liouville fractional integrals.
Bashir Ahmad, Sotiris K. Ntouyas, Jessada Tariboon, Ahmed Alsaedi   +3 more
doaj   +1 more source

Optimization of Dengue Epidemics: a test case with different discretization schemes [PDF]

, 2009
The incidence of Dengue epidemiologic disease has grown in recent decades. In this paper an application of optimal control in Dengue epidemics is presented.
Ch. Tsitouras, Delfim F. M. Torres, George Psihoyios, Helena Sofia Rodrigues, M. Teresa T. Monteiro, Theodore E. Simos   +5 more
core   +2 more sources