Results 41 to 50 of about 147 (97)

Existence of Three Positive Solutions to Some p-Laplacian Boundary Value Problems

Discrete Dynamics in Nature and Society, 2013
We obtain, by using the Leggett-Williams fixed point theorem, sufficient conditions that ensure the existence of at least three positive solutions to some p-Laplacian boundary value problems on time scales.
Moulay Rchid Sidi Ammi, Delfim F. M. Torres   +1 more
doaj   +1 more source

Recent Development on Nonlinear Methods in Function Spaces and Applications in Nonlinear Fractional Differential Equations

, 2018
Journal of Function Spaces, Volume 2018, Issue 1, 2018.
Xinguang Zhang, Yonghong Wu, Lishan Liu, Hua Su   +3 more
wiley   +1 more source

Positive Solutions for a System of Fractional q-Difference Equations with Multi-Point Boundary Conditions

Fractal and Fractional
We explore the existence, uniqueness, and multiplicity of positive solutions to a system of fractional q-difference equations that include fractional q-integrals. This investigation is carried out under coupled multi-point boundary conditions featuring q-
Rodica Luca
doaj   +1 more source

Multiple Positive Solutions for Nonlinear First-Order Impulsive Dynamic Equations on Time Scales with Parameter

Advances in Difference Equations, 2009
By using the Leggett-Williams fixed point theorem, the existence of three positive solutions to a class of nonlinear first-order periodic boundary value problems of impulsive dynamic equations on time scales with parameter are obtained.
Da-Bin Wang, Wen Guan
doaj   +2 more sources

One-signed rotationally symmetric solutions of singular Dirichlet problems with the prescribed higher mean curvature operator in Minkowski spacetime

Mathematical Modelling and Analysis
We investigate the existence, uniqueness and multiplicity of one-signed rotationally symmetric solutions of singular Dirichlet problems with the prescribed higher mean curvature operator in Minkowski spacetime.
Meiyu Liu, Minghe Pei, Libo Wang
doaj   +1 more source

Existence of Positive Solutions for Third-Order -Point Boundary Value Problems with Sign-Changing Nonlinearity on Time Scales

Abstract and Applied Analysis, 2012
A four-functional fixed point theorem and a generalization of Leggett-Williams fixed point theorem are used, respectively, to investigate the existence of at least one positive solution and at least three positive solutions for third-order -point ...
Fatma Tokmak, Ilkay Yaslan Karaca
doaj   +1 more source

Multiple nonnegative solutions for second-order boundary-value problems with sign-changing nonlinearities

Electronic Journal of Differential Equations, 2009
In this paper, we study the existence of multiple nonnegative solutions for second-order boundary-value problems of differential equations with sign-changing nonlinearities.
Shouliang Xi, Mei Jia, Huipeng Ji
doaj  

Triple positive solutions of BVP for second order ODE with one dimensional Laplacian on the half line

Electronic Journal of Qualitative Theory of Differential Equations, 2012
By applying Leggett-Williams fixed point theorem in a suitably constructed cone, we obtain the existence of at least three bounded positive solutions for a boundary value problem on the half line.
Yuji Liu, Patricia J. Y. Wong
doaj   +1 more source

Multiple positive solutions for nonlinear high-order Riemann–Liouville fractional differential equations boundary value problems with p-Laplacian operator

Boundary Value Problems, 2020
In this paper, we study the existence of multiple positive solutions for boundary value problems of high-order Riemann–Liouville fractional differential equations involving the p-Laplacian operator.
Bibo Zhou, Lingling Zhang, Emmanuel Addai, Nan Zhang   +3 more
doaj   +1 more source

Existence of Positive Solutions for m-Point Boundary Value Problem for Nonlinear Fractional Differential Equation

Abstract and Applied Analysis, 2011
We investigate an m-point boundary value problem for nonlinear fractional differential equations. The associated Green function for the boundary value problem is given at first, and some useful properties of the Green function are obtained. By using the
Moustafa El-Shahed, Wafa M. Shammakh
doaj   +1 more source