In Memory of Ruggiero de Ritis.- The Lectures.- Radiative Spacetimes.- Instantons and Scattering.- The Early Universe, the Present Universe.- 2D Dynamical Triangulations and the Weil-Petersson Measure.- Nöther Conserved Quantities and Entropy in General Relativity.- Spinors, Supergravity and the Signature of Space-Time.- VIRGO: An Interferometric Detector of Gravitational Waves.- Oscillation and Instabilities of Relativistic Stars.- Active Galactic Nuclei and the Properties of Supermassive Black Holes.- Huygens’ Principle and MAPLE’s NPspinor Package.- Hamiltonian Structure of 2+1 Dimensional Gravity.- Covariant Quantum Mechanics and Quantum Symmetries.- Anti-de Sitter Quantum Field Theory and the AdS-CFT Correspondence.- Geodetic Contributions to Gravitational Experiments in Space.- The r-modes Oscillations and Instability: Surprises from Magnetized Neutron Stars.- Strong Field Gravity and Quasi-Periodic Oscillations from Low-Mass X-ray Binaries.- What Have We learned about Gamma Ray Bursts from Afterglows?.- Gravitational Waves and the Death-Spiral of Compact Binaries.- Gravity in Anti-de-Sitter Space and Quantum Field Theory.- Black Hole Formation in Supernovae: Prospects of Unveiling Fallback Emission.- Advanced Readout Configurations for the Gravitational Wave Detector AURIGA.- Classical Relativity.- Connections in Distributional Bundles and Field Theories.- The Spectrum of Endstates of Spherical Gravitational Collapse.- Quantum Zeno Effect and the Detection of Gravitomagnetism.- Sagnac, Gclock Effect and Gravitomagnetism.- Radiation from an Electric Charge.- Trajectories for Relativistic Particles in an Electromagnetic Field.- Relativistic Astrophysics and Cosmology.- A Determination of any Physical Characteristics of Magnetic Monopole in Basis of Metrics of Curved Space-Time.- Gravitational Waves from Colored Spinning Cosmic Strings.- “Multiple Bending of Light Ray” Can Create Many Images for One Galaxy: In Our Dynamic Universe — A Computer Simulation.- Experimental Gravitation and Space Physics.- Recent Improvements on the EXPLORER Gravitational Wave Antenna.- NAUTILUS Recent Results.- The Low Frequency Facility R&D Experiment of the Virgo Project.- The Newton’s Gravitational Law.- Measurement of Gravitational Interaction on mm Scale.- Quantum Relativity and Strings.- Constraint Supersymmetry Breaking and Non-Perturbative Effects in String Theory.- T-Dualization and Symmetry Breaking.- A Theory of Quantum Gravity from First Principles.- Spin Models, TQFTs and Their Hierarchical Structure.- Quantum Closed Timelike Curves in General Relativity.