The Relevance of Magnetic Fields to Stars and Accretion Disks.- Dynamo Processes in Stars.- The Nonlinear Breakup of the Sun's Toroidal Field.- Nonlinear Rossby-Alfven Global Waves on the Surface of a Rotating Sphere.- Accretion Discs in Theory and Practice.- Instabilities in Dwarf Nova Accretion Disks.- Accretion and Particle Acceleration by Spiral Shock Waves.- Magnetohydrodynamic Flows in Accretion Disks and Jets.- Slender Fluxtubes in Accretion Disks.- Magnetic Fields in the Accretion Disks of Cataclysmic Variables.- Accretion Discs and Magnetic Cataclysmic Variables.- Radio Emission of Dwarf Novae.- Jets and Magnetic Fields.- Hydromagnetic Flows from Rapidly Rotating Compact Objects and the Formation of Relativistic Jets.- Three Dimensional Simulation of Accretion Disks with Smoothed Particle Hydrodynamics.- The Early Stages of Star Formation.- Accretion Disks and Jets in Protostellar Systems.- Massive Cloud of Active Star Formation and the Spinning Streamer as Angular Momentum Drain.- Monte Carlo Simulation of H2 Formation by Cosmic Rays: Effect of the Grain Model.- Magnetic Field Generation during Galaxy Formation.- Numerical Simulation of Weakly Magnetized Propagating Slab Jets.- Numerical Simulation of Mass Outflows from Star Forming Regions.- Outflows from Active Galactic Nuclei.- Formation of Radio Jets and Lobes, and Enhanced Energy Liberation at AGN's.- Relativistic Radiative Transfer using Moment Formalism.- Fluid Models for Relativistic Warm Plasmas.- Magnetic Fields in the Central Engines of Active Galactic Nuclei.- Time Variability of the X-Ray Emission from Seyfert Galaxies.- Slim Accretion Discs.- Summary of the Conference: Stars.- Conference Summary: Active Galactic Nuclei.

Proceeding of the European Physical Society Study Conference, held in Noto (Sicily), Italy, June 16-20, 1988