Open Problems in Strongly Correlated Electron Systems

Summary of ARPES Results on the Pseudogap in Bi2Sr2CaCu2O8+?.- On the Breakdown of Landau-Fermi Liquid Theory in the Cuprates.- Metal-Insulator Transition and Many-body Band Structure of the Hubbard Model.- Spectral Properties of Underdoped Cuprates.- High Resolution Fermi Surface Mapping of Pb-doped Bi-2212.- Single Particle Excitations in the t-J Model.- Magnetic Resonance Peak and Nonmagnetic Impurities.- Pseudogap and Kinetic Pairing Under Critical Differentiation of Electrons in Cuprate Superconductors.- Density Response of Cuprates and Renormalization of Breathing Phonons.- Phase Diagram of Spin Ladder Models and the Topology of Short Range Valence Bonds.- Diagrammatic Theory Of Anderson Impurity Models: Fermi and Non-Fermi Liquid Behavior.- s+d Mixing in Cuprates: Strong electron correlations*and superconducting gap symmetry.- Fermi Surface, Pseudogaps and Dynamical Stripes in*LA2xSRxCUO4.- Stripes and Nodal Fermions as Two Sides of the Same Coin.- DMRG Studies of Stripes and Pairing in the t-J Model.- Coexistence of Charge and Spin-Peierls Orders in the 1/4-filled*Ladder NaV2O5.- Normal State Properties of Cuprates: t-J Model vs.*Experiment.- Stability of d-wave Superconductivity in the t-J Model.- A New Simulation Method for Infinite Size Lattices.- Universality in 2-D Quantum Heisenberg Antiferromagnets.- Stripes and Pairing in the v = 5/2 Quantum Hall Effect.- Theory of Manganites: The Key Role of Phase Segregation.- Magnetic and Orbital Ordering in Manganites.- Orbital Dynamics: The Origin of Anomalous Magnon*Softemng in Ferromagnetic Manganites.- Field Induced Metal-Insulator Transition in (Pr:Ca:Sr)MnO3.- Triplet Pairing via Local Exchange in Correlated Systems.- Dimensional Crossover, Electronic Confinement and Charge*Localization in Organic Metals.-Drude Weight, Integrable Systems and the Reactive Hall*Constant.- Inhomogeneous Luttinger Liquids: Power-Laws and Energy*Scales.- Nodal Liquids and Duality.- Spin-Charge Separation in the Sr2CuO3 and SrCuO2 Chain*Materials.- Frustrated Quantum Ising Model and Charged Kinks.- Ergodic Properties of Quantum Spin Chains: Kicked*Transverse Ising Model.- Strongly Correlated Electrons: A Dynamical Mean Field*Perspective.- d-wave Pairing in the Strong-coupling 2D Hubbard Model.- Studies of the Mott-Hubbard Transition in One and Infinite*Dimensions.- Quantum Critical Behavior of Correlated Electrons: Resonant*States.- Theory of Valence Transitions in Ytterbium-based Compounds.- Strong Electronic Correlations and Low Energy Scales.- Non-magnetic Mott Insulator Phase and Anomalous*Conducting States in Barium Vanadium Trisulphide.- Low-Energy Excitations in Anisotropie Spin-Orbital Model.- Dynamical Mean-Field Selfconsistency Relation for Multiband*Systems.- Superfluidity in Fermi-Systems with Repulsion.- Dynamic Jahn-Teller Effect and Distortional Disorder in*Manganites.- Diagrammatic Theory of the Anderson Impurity Model with*Finite Coulomb Interaction.- Magnetotransport of the Cuprates in the Quantum Critical*Point Scenario.- Interplay Between Electron Correlations and Electron-Phonon*Interaction in the Cuprates.- Superconductivity in Disordered Sr2RuO4.- Fine Electronic Structure and Magnetism of LaMnO3 and*LaCoO3.- Anomalies in the Conduction Edge of Quantum Wires.- Underdoped Region of the 2D t-J Model.- Lattice Fermions with Optimized Wave Functions:*Exact Results.- Entropy Saturation and the Brinkmann-Rice Transition in a*Random-Tiling Model.- Diamagnetic Properties of Doped Antiferromagnets.- Group Photo.