Proceedings of the NATO Advanced Study Institute, La Plagne, France, March, 1983

I - Cosmology of the very early universe and fundamental interactions.- Primordial Inflation and Super cosmology.- Remarks on the quark-hadron transition in the early Universe.- Mass bounds on a dileptonic system from cosmoLogy.- Cosmological constant and Friedmann Universes.- II - Large structures: Pancakes - Clusters of galaxies.- Dark matter and shocked pancakes.- Pancakes, hot gas and microwave distortions.- Spectrum of the cosmic background radiation.- Is the Universe made of massive neutrinos?.- The pregalactic Universe and the formation of large scale structure.- Large soa I e inhomogeneities and galaxy sta t istios.- Clusters of galaxies as indioators of galaxy origin.- III - Massive halos.- Are massive halos baryonic?.- What is the dark matter? Implications for galaxy formation and particle physics.- Dark matter, galaxies and globular clusters.- CosmoLogical constraints on neutrinos and other "inos" and the "missing light" problem.- Blaok halos and dwarf galaxies.- Mass-to-light ratios of spiral galaxies.- IV - Pregalactic stars and early nucleosynthesis.- Pregalaotio aotivity, galaxy formation and hidden mass.- On the nature of the first stars.- On the forma tion of population II stars via thermal instability.- Possible synthesis of deuterium and lithium by pregaLactic massive stars.- Deuterium and lithium from population III remnants.- Chemioal evolution of the light elements and the Big Bang nuoleosynthesis.- V - Structure and dynamical evolution of galaxies.- Struoture and evolution of triaxial galaxies.- Are N-body potentials of Eddington form ?.- Secular dynamical evolution of galaxies.- A galaxy distribution funotion ?.- The thickness of galactic disks.- Heating of stellar disks by massive objects.- The origin of rotation in galaxiesand clusters.- Rotation, dissipation and elliptioal galaxies.- VI - Chemical evolution of galaxies.- Nucleosynthesis constraints on early galactic evolution.- Stocnastic star formation in dwarf irregular galaxies.- The oxygen anomaly in metal poor stars.- "Liners" and Abundance in galactic nuclei.- Author index.