2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/92136We consider a mixed chaotic Hamiltonian system and compare classical with quantum chaos. As alternative to the methods of enegy level spacing statistics and trace formulas, we construct a quantum action and a quantum analogue phase space to analyse quantum chaos.talk by Helmut Kröger at Conf. on Found. of Quant. Mech., Vaxjo (Sweden) 2003Quantum Physicstext