Abstract (EN):
We consider singular exact Poisson structures on an oriented manifold of dimension 4. Using normal forms for divergence-free vector fields on R-3 and for 1-parameter deformations of functions on R-3 we produce normal forms for two classes of such Poisson structures around the singular point.
Idioma:
Inglês
Tipo (Avaliação Docente):
Científica
Contacto:
imcruz@fc.up.pt; mmmatos@fc.up.pt
Nº de páginas:
15