A variational principle is established to provide a new formulation for convex Hamiltonian systems. Using this formulation we obtain some existence results for second order Hamiltonian systems with a variety of boundary conditions, including nonlinear ones
AbstractWe study the concept and the calculus of Non-convex self-dual (Nc-SD) Lagrangians and their ...
AbstractThis paper treats the construction of dual variational principles for non-convex problems us...
Through variational methods, we study nonautonomous systems of second-order ordinary differential eq...
A variational principle is established to provide a new formulation for convex Hamiltonian sy...
AbstractA variational formulation of Hamiltonian boundary value problems is given. The results are i...
A variational method for Hamiltonian systems is analyzed. Two different variational characterization...
We study the existence of periodic solutions of some second-order Hamiltonian systems with impulses....
We consider the variational approach to prove the existence of solutions of second order stationary ...
This paper investigates solutions for subquadratic convex or $B$-concave operator equations. First, ...
In this article, we establish a variational principle for a class of boundary-value problems with ...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
In this article, we study the existence of solutions to the Hamiltonian elliptic system with discont...
This paper is a survey of recent existence results for solutions of first and second order nonlinear...
We prove the existence of nontrivial solutions to the system $$ Delta u = u, quad Delta v = v, $$ on...
Symposium on Trends in the Applications of Mathematics to Mechanics, Ed. P.E. O’Donoghue e J.N. Flav...
AbstractWe study the concept and the calculus of Non-convex self-dual (Nc-SD) Lagrangians and their ...
AbstractThis paper treats the construction of dual variational principles for non-convex problems us...
Through variational methods, we study nonautonomous systems of second-order ordinary differential eq...
A variational principle is established to provide a new formulation for convex Hamiltonian sy...
AbstractA variational formulation of Hamiltonian boundary value problems is given. The results are i...
A variational method for Hamiltonian systems is analyzed. Two different variational characterization...
We study the existence of periodic solutions of some second-order Hamiltonian systems with impulses....
We consider the variational approach to prove the existence of solutions of second order stationary ...
This paper investigates solutions for subquadratic convex or $B$-concave operator equations. First, ...
In this article, we establish a variational principle for a class of boundary-value problems with ...
The existence of at least one nontrivial periodic solution for a class of second order Hamiltonian s...
In this article, we study the existence of solutions to the Hamiltonian elliptic system with discont...
This paper is a survey of recent existence results for solutions of first and second order nonlinear...
We prove the existence of nontrivial solutions to the system $$ Delta u = u, quad Delta v = v, $$ on...
Symposium on Trends in the Applications of Mathematics to Mechanics, Ed. P.E. O’Donoghue e J.N. Flav...
AbstractWe study the concept and the calculus of Non-convex self-dual (Nc-SD) Lagrangians and their ...
AbstractThis paper treats the construction of dual variational principles for non-convex problems us...
Through variational methods, we study nonautonomous systems of second-order ordinary differential eq...
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