Description: Quantum Coherence, Tunneling and Dissipation.- Quantum Mechanics of Complex Systems I.- Quantum Mechanics of Complex Systems II.- Quantum Tunneling in Macroscopic Systems.- Ground State of a Non-Dissipative Josephson Junction.- The "Cold Fusion" Problem.- Unstable Behavior of a Superconducting Ring Containing a Josephson Junction.- Influence of the Radiation Field on the Process of Electronic Interference.- Quantum Mechanical Harmonic Chain Attached to Heat Baths.- Conformal Invariance and Phase Transitions.- Conformai Invariance -- a Survey of Principles with Applications to Statistical Mechanics and Surface Physics.- A Possible Field-Theoretical Model for the Nematic-Isotropic Phase Transition in Liquid Crystals.- Lattice Unstabilities of Magnetic Origin.- Solitons, Patterns, Incommensurate Structures.- Dual Quantization of Solitons.- Variational Approach to Quantum Statistical Mechanics.- Pattern Changes in Electrodeposit of CuSO4.- Linear Dynamics of Modulated Spin Magnets.- The Stochastic ?4 Atomic Chain.- Chaos.- Chaos and Turbulence.- Disorder and Localization.- Electron Localization in Disordered Systems.- Spin Glasses and Heavy Fermions.- An Introduction to the Dynamics of Quench-Disordered Spin Systems.- Experimental Studies of Spin Glasses and Heavy Fermions: their Magnetism and Superconductivity.- Heavy Fermions: Theoretical Aspects.- Many-Body Techniques.- General Many-Body Systems.- Numerical Methods for Many-Body Problems A) Exact Diagonalization of Small Systems.- B) Quantum Monte Carlo Methods.- High-Density Expansion for Electron Systems.- Perturbative Results using the Cumulant Expansion in the Anderson Lattice.- Application of Gutziller's Correlated Method to the Electronic Effective Mass of Degenerate N-type Silicon.- Optical Absorption inDisordered Semiconductor Systems: Application to Correlated Phosphorus-Doped Silicon.- Superconductivity.- High Tc Superconductivity: Lessons to be Learned from Neutron Scattering.- Superconducting Networks in a Magnetic Field: Exact Solution of the J2 Model.- Vortex Dynamics in Networks of Josephson Junctions.- Comparison of Effective Models for CuO2 Layers in Oxide Superconductors.- Charge- and Spin-Density Waves.- Charge-Density Waves in Quasi-one-Dimensional Systems.- Recent Developments in Charge-Density Wave Systems.- Spin-Density Waves in Organic Conductors.- Poster Contributions.- Contributors.

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