Results 31 to 40 of about 221,589 (315)

Infinitely many solutions for perturbed Kirchhoff type problems

open access: yesElectronic Journal of Qualitative Theory of Differential Equations, 2019
In this paper, we discuss a superlinear Kirchhoff type problem where the non-linearity is not necessarily odd. By using variational and perturbative methods, we prove the existence of infinitely many solutions in the non-symmetric case.
Weibing Wang
doaj   +1 more source

Infinitely Many Elliptic Solutions to a Simple Equation and Applications [PDF]

open access: yesAbstract and Applied Analysis, 2013
Based on auxiliary equation method and Bäcklund transformations, we present an idea to find infinitely many Weierstrass and Jacobi elliptic function solutions to some nonlinear problems. First, we give some nonlinear iterated formulae of solutions and some elliptic function solutions to a simple auxiliary equation, which results in infinitely many ...
Long Wei, Yang Wang
openaire   +4 more sources

Rotating points for the conformal NLS scattering operator [PDF]

open access: yes, 2009
We consider the nonlinear Schrodinger equation, with mass-critical nonlinearity, focusing or defocusing. For any given angle, we establish the existence of infinitely many functions on which the scattering operator acts as a rotation of this angle. Using
Carles, Rémi
core   +1 more source

Infinitely many periodic solutions for ordinary p-Laplacian systems

open access: yesAdvances in Nonlinear Analysis, 2015
Some existence theorems are obtained for infinitely many periodic solutions of ordinary p-Laplacian systems by minimax methods in critical point theory.
Li Chun, Agarwal Ravi P., Tang Chun-Lei
doaj   +1 more source

Infinitely many solutions for a perturbed Schrödinger equation

open access: yesDynamical Systems and Differential Equations, AIMS Proceedings 2015 Proceedings of the 10th AIMS International Conference (Madrid, Spain), 2015
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
BARTOLO, Rossella   +2 more
openaire   +4 more sources

Periodic segment implies infinitely many periodic solutions [PDF]

open access: yesProceedings of the American Mathematical Society, 2007
The authors of this note show that given a periodic segment for a nonautonomous ODE with periodic coefficients (i.e. a local process) and given a sequence of associated Lefschetz numbers that is not constant, then there exist infinitely many periodic solutions in the segment. The proof is based on the Shub-Sullivan theorem, see \textit{M.
Marzantowicz, Waclaw, Wójcik, Klaudiusz
openaire   +3 more sources

Infinitely many solutions for Hamiltonian systems

open access: yesJournal of Differential Equations, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zou, Wenming, Li, Shujie
openaire   +1 more source

Infinitely Many Solutions of Strongly Indefinite Semilinear Elliptic Systems

open access: yesBoundary Value Problems, 2009
We proved a multiplicity result for strongly indefinite semilinear elliptic systems −Δu+u=±1/(1+|x|a)|v|p−2v in ℝN, −Δv+v=±1/(1+|x|b)|u|q−2u in ℝN where a and b are positive numbers ...
Kuan-Ju Chen
doaj   +2 more sources

Existence of infinitely many solutions for a nonlocal problem

open access: yesAIMS Mathematics, 2020
In this paper, we deal with a class of fractional Hénon equation and by using the Lyapunov-Schmidt reduction method, under some suitable assumptions, we derive the existence of infinitely many solutions, whose energy can be made arbitrarily large ...
Jing Yang
doaj   +1 more source

Infinitely Many Solutions for Derrick’s Equation

open access: yesAdvanced Nonlinear Studies, 2002
Abstract In this paper we study a class of field equations, in several space dimensions, which admits solitary waves. The equation is a vector-valued version of a field equation proposed by Derrick in 1964 as model for elementary particles. We show the existence of infinitely many solutions with arbitrary topological charge.
openaire   +1 more source

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