Bertin, M. C.Pimentel, B. M.Pompeia, P. J.2014-05-202014-05-202005-12-07Modern Physics Letters A. Singapore: World Scientific Publ Co Pte Ltd, v. 20, n. 37, p. 2873-2889, 2005.0217-7323http://hdl.handle.net/11449/23163We analyse systems described by first-order actions using the Hamilton-Jacobi (HJ) formalism for singular systems. In this study we verify that generalized brackets appear in a natural way in HJ approach, showing us the existence of a symplectic structure in the phase space of this formalism.2873-2889engHamilton-Jacobi formalismsingular systemsfirst-order actionsgeneralized bracketsArtigo10.1142/S0217732305018323WOS:000233699100005Acesso restrito