Section I: Ludwig Boltzmann. - Life of a Physicist: Ludwig Boltzmann 1844-1906. - Recent Applications of Boltzmann's Theory. - Cycles of the Transition Processes as Basic Idea of Ludwig Boltzmann. - Section II: Quantum Fluids. - Recent Progress in the Theory of Highly Correlated Quantum Fluids. - Systematics and Numerics in Many-Body Systems. - Multiphonon Excitations in Bose Films. - Theory of 3He Submonolayers in 4He Films. - Impurity Distribution in Helium Droplets. - Excitations in Quantum Boson Fluids. - Dynamic Structure Function of 3He-4He Mixtures in the Deep Inelastic Regime. - Section III: Quantum Chemistry. - Research of Appropriate Treatments of the Various Aspects of the Electron Correlation in Molecules and their Interplay. - A Coupled Cluster Approach to the Electron Correlation Problem Using a Correlated Reference State. - Relativistic Coupled Cluster Calculations. - Correlation in Collisions. - Section IV: Nuclear Physics. - Nuclear Physics: An Historic Overview. - Realistic Microscopic Calculations of Nuclear Structure. - Microscopic Theories of Atomic and Nuclear Optical Potentials. - An Exotic Many Body System: The Quark-Gluon Plasma. - Variational Description of Collective Isospin Modes in Heavy Nuclei. - Section V: Lattice Hamiltonians. - Microscopic Theories of Quantum Lattice Systems. - A Nonperturbative Microscopic Theory of Hamiltonian Lattice Gauge Systems. - Quantum Antiferromagnets: From Néel Ordered Groundstates to Spin Liquids. - Enhancement of the Finite Lattice Method for Estimating the Zero Temperature Properties of Quantum Spin Systems in Two Dimensions With Application to the S = 1/2 XY Ferromagnet on the Square Lattice. - Relationship Among the Hubbard t J and Tomonaga-Luttinger Models. - Section VI: Complex Systems. - Complexity Correlations andFluctuations in Many-Particle Systems. - Connectionist Statistical Inference. - Coupling Between Slow and Fast Degrees of Freedom in Systems With Complex Spectra. - Densities of States and Thermodynamics of Mega-Dimensional Sparse Matrices. - Quantum Chaos and Fundamental Symmetry Violations in Nuclei and Other Complex Systems. - Section VII: Solids. - High Temperature Superconductors: A Review. - A Proposed Interaction Model for the HighTcCuprates. - Spectator Fermion Binding of Bosons. - Theory for Normal State Magnetic Properties of High-TcSuperconductors: Doping and Temperature Dependence. - Green's Function Method in the Theory of Strongly Correlated Pseudospin-Electron Systems. - Composite Fermion Wave Functions for Strongly Correlated Two-Dimensional Electron Systems in High Magnetic Fields. - Static and Dynamic Effects in Coupled Quantum Wells. - Polaron Properties of the Holstein Model. - Improved Treatment of Frequency Sums in Propagator-Renormalized Perturbation Theories. - Consistent Low-Energy Reduction of the Three-Band Model for Electrons and Holes in Copper Oxides to the Effective t J Model. - Section VIII: Feenberg Medal Presentation. - Pathways to the Quantum Realm. - The Simulation of Quantum Systems. Language: English