Results 61 to 70 of about 767 (126)

Positive solutions for fractional differential equations with three-point multi-term fractional integral boundary conditions

Advances in Differential Equations, 2014
We are concerned with the existence of at least one, two or three positive solutions for the boundary value problem with three-point multi-term fractional integral boundary conditions: {Dqu(t)+f(t,u(t))=0 ...
J. Tariboon, S. Ntouyas, W. Sudsutad
semanticscholar   +1 more source

Existence of solutions for fractional q-difference equation with mixed nonlinear boundary conditions

Advances in Differential Equations, 2014
In this paper, we study the boundary value problem for a class of nonlinear fractional q-difference equation with mixed nonlinear conditions involving the fractional q-derivative of Riemann-Liouuville type.
Xinhui Li, Z. Han, Shurong Sun, Ping Zhao   +3 more
semanticscholar   +1 more source

k-convex solutions for multiparameter Dirichlet systems with k-Hessian operator and Lane-Emden type nonlinearities

Advances in Nonlinear Analysis
In this article, our main aim is to investigate the existence of radial kk-convex solutions for the following Dirichlet system with kk-Hessian operators: Sk(D2u)=λ1ν1(∣x∣)(−u)p1(−v)q1inℬ(R),Sk(D2v)=λ2ν2(∣x∣)(−u)p2(−v)q2inℬ(R),u=v=0on∂ℬ(R).\left\{\begin ...
He Xingyue, Gao Chenghua, Wang Jingjing
doaj   +1 more source

Periodic solutions for second order differential equations with indefinite singularities

Advances in Nonlinear Analysis, 2019
In this paper, the problem of periodic solutions is studied for second order differential equations with indefinite ...
Lu Shiping, Yu Xingchen
doaj   +1 more source

Global behavior of positive solutions for some semipositone fourth-order problems

Advances in Difference Equations, 2018
In this paper, we study the global behavior of positive solutions of fourth-order boundary value problems {u′′′′=λf(x,u),x∈(0,1),u(0)=u(1)=u″(0)=u″(1)=0, $$ \textstyle\begin{cases} u''''=\lambda f(x,u), \quad x\in (0,1), \\ u(0)=u(1)=u''(0)=u''(1)=0 ...
Dongliang Yan, Ruyun Ma
doaj   +1 more source

High Multiplicity and Chaos for an Indefinite Problem Arising from Genetic Models

Advanced Nonlinear Studies, 2020
We deal with the periodic boundary value problem associated with the parameter-dependent second-order nonlinear differential ...
Boscaggin Alberto, Feltrin Guglielmo, Sovrano Elisa   +2 more
doaj   +1 more source

Existence of solutions for integral boundary value problems of second-order ordinary differential equations

, 2012
In this paper, we investigate the existence of solutions for some second-order integral boundary value problems, by applying new fixed point theorems in Banach spaces with the lattice structure derived by Sun and Liu.MSC:34B15, 34B18, 47H11.
Hongyu Li, Fei Sun
semanticscholar   +1 more source

Multiple positive solutions of a Sturm-Liouville boundary value problem with conflicting nonlinearities

, 2016
We study the second order nonlinear differential equation \begin{equation*} u"+ \sum_{i=1}^{m} \alpha_{i} a_{i}(x)g_{i}(u) - \sum_{j=0}^{m+1} \beta_{j} b_{j}(x)k_{j}(u) = 0, \end{equation*} where $\alpha_{i},\beta_{j}>0$, $a_{i}(x), b_{j}(x)$ are non ...
Feltrin, Guglielmo
core   +1 more source

Symmetry-breaking bifurcation for the one-dimensional Liouville type equation [PDF]

arXiv, 2016
The two-point boundary value problem for the one-dimensional Liouville type equation is considered. In this paper, a symmetry-breaking result is obtained by using the Morse index.
arxiv  

Positive solutions to fractional boundary value problems with nonlinear boundary conditions

, 2014
We consider the existence of at least one positive solution of the problem −D0+αu(t)=f(t,u(t ...
Wenquan Feng, Shurong Sun, Xinhui Li, Meirong Xu   +3 more
semanticscholar   +1 more source