We establish the existence of time-periodic solutions of semi-linear wave equa-tions on the unit sphere in R3. The problem has been studied previously in (1982, V. Benci and Fortunato, Ann. Mat. Pura Appl. 132, 215242) using variational techniques. Our results here are much sharper: We employ delicate methods o
We shall study the existence of time-periodic solutions for a semilinear wave equation with a given...
We review recent results on the existence of weak 2π- periodic solutions in time and space for a cla...
AbstractAn optimal compact embedding theorem related to the wave operator on an n-dimensional sphere...
AbstractWe establish the existence of time-periodic solutions of semi-linear wave equations on the u...
We survey recent results on the existence and uniqueness of the weak time-periodic solutions of some...
The existence of time periodic solutions of nonlinear wave equations $$ u_{tt} - Delta_n u + ig(f...
Existence and regularity of nontrivial time periodic solutions are proved for semilinear wave equati...
We prove existence and multiplicity of small amplitude periodic solutions for the wave equation wit...
We shall consider BVP to a 3-dimensional radially symmetric lin-ear wave equation with a small time-...
This paper is devoted to the study of periodic (in time) solutions to an one-dimensional semilinear ...
We consider 1D completely resonant nonlinear wave equations of the type vtt - vxx = -v3 + O(v4) with...
Abstract. Under suitable conditions we are able to solve the semilinear wave equation in any dimensi...
The controllability of time-periodic solutions of a n-dimensional nonlinear wave equation is establ...
We prove the existence of quasi-periodic solutions for wave equations with a multiplicative potentia...
classical T-periodic solutions for semilinear wave equations of the form (1.1) I utt ' uxx = fl...
We shall study the existence of time-periodic solutions for a semilinear wave equation with a given...
We review recent results on the existence of weak 2π- periodic solutions in time and space for a cla...
AbstractAn optimal compact embedding theorem related to the wave operator on an n-dimensional sphere...
AbstractWe establish the existence of time-periodic solutions of semi-linear wave equations on the u...
We survey recent results on the existence and uniqueness of the weak time-periodic solutions of some...
The existence of time periodic solutions of nonlinear wave equations $$ u_{tt} - Delta_n u + ig(f...
Existence and regularity of nontrivial time periodic solutions are proved for semilinear wave equati...
We prove existence and multiplicity of small amplitude periodic solutions for the wave equation wit...
We shall consider BVP to a 3-dimensional radially symmetric lin-ear wave equation with a small time-...
This paper is devoted to the study of periodic (in time) solutions to an one-dimensional semilinear ...
We consider 1D completely resonant nonlinear wave equations of the type vtt - vxx = -v3 + O(v4) with...
Abstract. Under suitable conditions we are able to solve the semilinear wave equation in any dimensi...
The controllability of time-periodic solutions of a n-dimensional nonlinear wave equation is establ...
We prove the existence of quasi-periodic solutions for wave equations with a multiplicative potentia...
classical T-periodic solutions for semilinear wave equations of the form (1.1) I utt ' uxx = fl...
We shall study the existence of time-periodic solutions for a semilinear wave equation with a given...
We review recent results on the existence of weak 2π- periodic solutions in time and space for a cla...
AbstractAn optimal compact embedding theorem related to the wave operator on an n-dimensional sphere...