| Texto completo | |
| Autor(es): |
Buzzi, Claudio A.
;
Lamb, Jeroen S. W.
Número total de Autores: 2
|
| Tipo de documento: | Artigo Científico |
| Fonte: | DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS; v. 5, n. 1, p. 51-66, Feb. 2005. |
| Área do conhecimento: | Ciências Exatas e da Terra - Matemática |
| Assunto(s): | Variedades algébricas |
| Resumo | |
We study the existence of periodic solutions in the neighbourhood of symmetric (partially) elliptic equilibria in purely reversible Hamiltonian vector fields. These are Hamiltonian vector fields with an involutory reversing symmetry R. We contrast the cases where R acts symplectically and anti-symplectically. In case R acts anti-symplectically, generically purely imaginary eigenvalues are isolated, and the equilibrium is contained in a local two-dimensional invariant manifold containing symmetric periodic solutions encircling the equilibrium point. In case R acts symplectically, generically purely imaginary eigenvalues are doubly degenerate, and the equilibrium is contained in two two-dimensional invariant manifolds containing nonsymmetric periodic solutions encircling the equilibrium point. In addition, there exists a three-dimensional invariant surface containing a two-parameter family of symmetric periodic solutions. (AU) | |
| Processo FAPESP: | 02/06531-3 - Sistemas dinâmicos não lineares |
| Beneficiário: | Vanderlei Minori Horita |
| Modalidade de apoio: | Auxílio à Pesquisa - Jovens Pesquisadores |