1. Interferometry Tutorials (All You Wanted to Know About Interferometry But Were Afraid to Ask) -- to Interferometry -- An Introduction to Interferometry with the ESO Very Large Telescope -- Interferometry in Practice -- Astrometry with O/IR Interferometers -- 2. Solar System, Extrasolar Planets, Low Mass Stars and Brown Dwarfs -- Solar-System Observations with the VLTI -- Giant Planet Formation and the Masses of Extrasolar Planets -- Theory of Very Low Mass Stars, Brown Dwarfs and Extra-Solar Giant Planets -- On the Detection of Exo-Zodiacal Light by Nulling Interferometry with the Magellan Telescopes -- Direct Observation of Extrasolar Planets with an Infrared Interferometer -- 3. Agn and Starburst Galaxies -- VLTI Observations of Radio-Loud Active Galaxies -- Observations of Extragalactic Sources Near Bright Stars -- AGN Models and Fringe Visibilities -- AGNs at VLTI Scales -- The AGN Dance: Astrometric Variability as the Result of Supernova Explosions in Nuclear Starbursts -- Adaptive Optics Observations of Starburst Galaxies -- Cosmology with the Very Large Telescope Interferometer: Using a Space-Based Astrometric Reference Frame -- 4. The Potential of VLTI and the Connection with Related Techniques -- Tailoring an Interferometer to Its Science and Vice Versa -- Some Aspects of the VLTI's Potential for Binary Star Research -- Combining Mid-Infrared Lunar Occultations and VLTI Measurements -- 5. Hot Stars -- Interferometric Observations of Be Stars -- Spectroscopic and Photometric Support for Interferometric Observations of Be Stars -- Imaging of Wolf-Rayet Stars with the VLTI -- 6. Circumstellar Environments and Mass Loss -- AGB and Post-AGB Stars: An Overview -- Winds of Red Giants and Supergiants: Basic Physical Processes, Structure and Appearance -- Study of Late-Type Stars with the Infrared Spatial Interferometer of the University of California at Berkeley -- Interferometric Studies of Late Phases of Stellar Evolution -- Interferometric Imaging of Late-Type Stars with the VLTI -- Geometry of Post-AGB Shells -- New Insights in Close Circumstellar Physics Using Interferometry -- 7. Star Formation and Early Stellar Evolution -- Circumstellar Disks in the Early Phases of Star Formation -- Outflows from Young Stars -- Disks Around Young Stars -- 8. Stellar Populations and Galactic Center -- Observing the Galactic Center with the VLTI -- The VLTI and the Galactic Center He I Cluster -- Globular Cluster Proper Motions -- 9. Stellar Diameters and Surface Structure -- Indirect Imaging of Stellar Surface Structure -- Stellar Surface Observations with the VLTI -- On the Scale of Photospheric Convection -- Observing Stellar Surfaces with a High-Precision Infrared Interferometer -- Studying the Coolest Giant Stars at Milliarcsecond Resolution -- The Temperature Scale of the M Dwarfs -- Observations of Cepheids with the VLTI -- Conference Summary -- The VLTI and the Universe: Conference Summary -- Poster Papers -- Simulations of VLTI/VISA Imaging Observations of Young Stellar Objects at 2.2?m -- Speckle Observations of Post-Hipparcos Late-Type Double Stars -- Wavefront Characterization for High Angular Resolution Techniques -- Interfero Coronography at O.C.A. -- Simulation of Speckle Images for a Field Wider Than the Isoplanatism Angle -- Visibility Losses Due to Atmospherical Spectral Decorrelation in Michelson Interferometry -- High-Resolution Measurements of Close Binary Stars and the Probability Imaging Technique -- Late-Type Stars at High Angular Resolution: Observations and Modelling -- Interferometric Observations of Mira Stars -- Results of Studies on the Environmental Factors Affecting the VLTI Performance -- Internal Optical Path Calibration System for VLTI -- Pupil Mask Interferometry of M8E-IR -- Observations of the Close Binary System ? Lyrae with the GI2T Interferometer -- Stellar Winds of T Tauri Stars -- Operating the VLTI in the Thermal Infrared -- Multi-speckle Interferometric Imaging with the VLTI and the LBT at Optical Wavelengths -- Infrared Interferometric Imaging with the VLTI in the Multi-speckle Mode with a Combination of the 8 m UTs and the 2 m ATs -- Thermal IR Imaging with MAX: Pushing the Limit of Single-Dish Ground-Based Observations -- Differential Interferometry and the Non-axisymmetric Envelope of ? Cas -- HST Imaging of GM Aurigae: A Circumstellar Disk Seen in Scattered Light -- Software Concept for Four-Dimensional Bispectral Analysis of Stellar Interferograms -- Real-Time Image Compression Method for Astronomical Interferograms -- Synthetic Images from Dynamic Model Atmospheres of C-Rich Long-Period Variables -- Brightness Profiles and Spatial Spectra of Dynamical Models for C-Rich Circumstellar Dust Shells Around Long-Period Variables -- Author Index.