Solutions of Sign-Changing Fractional Differential Equation with the Fractional Derivatives

We study the singular fractional-order boundary-value problem with a sign-changing nonlinear term -𝒟αx(t)=p(t)f(t,x(t),𝒟μ1x(t),𝒟μ2x(t),…,𝒟μn-1x(t)),0<t<1,𝒟μix(0)=0,1≤i≤n-1,𝒟μn-1+1x(0)=0, 𝒟μn-1x(1)=∑j=1p-2aj𝒟μn-1x(ξj), where n-1<α≤n, n∈ℕ and n≥3 with 0<μ1<μ2<⋯<μn-...

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Main Authors: Tunhua Wu, Xinguang Zhang, Yinan Lu
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:Abstract and Applied Analysis
Online Access:http://dx.doi.org/10.1155/2012/797398
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author Tunhua Wu
Xinguang Zhang
Yinan Lu
author_facet Tunhua Wu
Xinguang Zhang
Yinan Lu
author_sort Tunhua Wu
collection DOAJ
description We study the singular fractional-order boundary-value problem with a sign-changing nonlinear term -𝒟αx(t)=p(t)f(t,x(t),𝒟μ1x(t),𝒟μ2x(t),…,𝒟μn-1x(t)),0<t<1,𝒟μix(0)=0,1≤i≤n-1,𝒟μn-1+1x(0)=0, 𝒟μn-1x(1)=∑j=1p-2aj𝒟μn-1x(ξj), where n-1<α≤n, n∈ℕ and n≥3 with 0<μ1<μ2<⋯<μn-2<μn-1 and n-3<μn-1<α-2, aj∈ℝ,0<ξ1<ξ2<⋯<ξp-2<1 satisfying 0<∑j=1p-2ajξjα-μn-1-1<1, 𝒟α is the standard Riemann-Liouville derivative, f:[0,1]×ℝn→ℝ is a sign-changing continuous function and may be unbounded from below with respect to xi, and p:(0,1)→[0,∞) is continuous. Some new results on the existence of nontrivial solutions for the above problem are obtained by computing the topological degree of a completely continuous field.
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spelling doaj-art-dae36db04fbd4e2fa118cbd0f79dd8432025-08-20T03:24:25ZengWileyAbstract and Applied Analysis1085-33751687-04092012-01-01201210.1155/2012/797398797398Solutions of Sign-Changing Fractional Differential Equation with the Fractional DerivativesTunhua Wu0Xinguang Zhang1Yinan Lu2School of Information and Engineering, Wenzhou Medical College, Zhejiang, Wenzhou 325035, ChinaSchool of Mathematical and Informational Sciences, Yantai University, Shandong, Yantai 264005, ChinaInformation Engineering Department, Anhui Xinhua University, Anhui, Hefei 230031, ChinaWe study the singular fractional-order boundary-value problem with a sign-changing nonlinear term -𝒟αx(t)=p(t)f(t,x(t),𝒟μ1x(t),𝒟μ2x(t),…,𝒟μn-1x(t)),0<t<1,𝒟μix(0)=0,1≤i≤n-1,𝒟μn-1+1x(0)=0, 𝒟μn-1x(1)=∑j=1p-2aj𝒟μn-1x(ξj), where n-1<α≤n, n∈ℕ and n≥3 with 0<μ1<μ2<⋯<μn-2<μn-1 and n-3<μn-1<α-2, aj∈ℝ,0<ξ1<ξ2<⋯<ξp-2<1 satisfying 0<∑j=1p-2ajξjα-μn-1-1<1, 𝒟α is the standard Riemann-Liouville derivative, f:[0,1]×ℝn→ℝ is a sign-changing continuous function and may be unbounded from below with respect to xi, and p:(0,1)→[0,∞) is continuous. Some new results on the existence of nontrivial solutions for the above problem are obtained by computing the topological degree of a completely continuous field.http://dx.doi.org/10.1155/2012/797398
spellingShingle Tunhua Wu
Xinguang Zhang
Yinan Lu
Solutions of Sign-Changing Fractional Differential Equation with the Fractional Derivatives
Abstract and Applied Analysis
title Solutions of Sign-Changing Fractional Differential Equation with the Fractional Derivatives
title_full Solutions of Sign-Changing Fractional Differential Equation with the Fractional Derivatives
title_fullStr Solutions of Sign-Changing Fractional Differential Equation with the Fractional Derivatives
title_full_unstemmed Solutions of Sign-Changing Fractional Differential Equation with the Fractional Derivatives
title_short Solutions of Sign-Changing Fractional Differential Equation with the Fractional Derivatives
title_sort solutions of sign changing fractional differential equation with the fractional derivatives
url http://dx.doi.org/10.1155/2012/797398
work_keys_str_mv AT tunhuawu solutionsofsignchangingfractionaldifferentialequationwiththefractionalderivatives
AT xinguangzhang solutionsofsignchangingfractionaldifferentialequationwiththefractionalderivatives
AT yinanlu solutionsofsignchangingfractionaldifferentialequationwiththefractionalderivatives