Magnus expansion: an honest LODE handler.

por J. Ros (Universitat de València)

jueves 11 mar. 1999 12:00 → 13:00 Europe/Madrid

Sala Seminarios (Dpto. de Fisica Teorica (UVEG))

Magnus expansion is a tool to solve time-dependent linear ordinary differential equations (LODE) in such a way that the approximate solutions preserve known qualitative behaviour of the exact solution. Symplectic character in Classical Mechanics and unitarity in quantum evolution are two examples. In the seminar, Magnus expansion will be reviewed and recent results and applications presented.