Quantum maps 16 Periodic orbits 6 Semiclassical theories 6 Chaotic systems 4 Decoherence 4 Eigenvalues and eigenfunctions 4 Lyapunov exponent 4 Lyapunov methods 4 Numerical evidence 4 Phase space methods 4 Quantum electronics 4 Quantum optics 4 Quantum theory 4 Asymptotic properties 2 Behavioral research 2 Boltzmann 2 Boundary conditions 2 Cantor sets 2 Cat map 2 Chaos theory 2 Chaotic map 2 Chaoticity 2 Classical dynamics 2 Classical systems 2 Comparative analysis 2 Complicated boundary conditions 2 Computer Simulation 2 Conformal mapping 2 Correlators 2 Decay (organic) 2