I. Cohomology of Algebraic Varieties V. I. Danilov Translated from the Russian by R. Treger Contents Introduction Chapter 1. Homological Machinery 1. Origins of Homological Concepts 2. Complexes 3. Sheaves 4. Cohomology of Sheaves Chapter 2. Cohomology of Coherent Sheaves 1. Cohomology of Quasi-Coherent Sheaves 2. Cohomology of Projective Space 3. Cohomology of Proper Morphisms 4. The Riemann-Roch Theorem I. Cohomology of Algebraic Varieties 5. Duality 6. The de Rham Cohomology Chapter 3. Cohomology of Complex Varieties 1. Complex Varieties as Topological Spaces 2. Cohomology of Coherent Sheaves 3. Weights in Cohomology 4. Algebraic Approach to Classical Topology Chapter 4. Etale Cohomology 1. The Weil Conjectures 2. Algebraic Fundamental Group 3. Etale Topology 4. Cohomology of Etale Sheaves 5. Cohomology of Algebraic Curves 6. Fundamental Theorems 7. /-Adic Cohomology 8. Deligne's Theorem Bibliography References