Lectures on Etale Cohomology
Math732.dvi
Math732.ps.zip
Math732.pdf
v2.01; August 9, 1998; 190 pages.
Contents
- Introduction
- Etale Morphisms
- The Etale Fundamental Group
- The Local Ring for the Etale Topology
- Sites
- Sheaves for the Etale Topology
- The Category of Sheaves on Xet.
- Direct and Inverse Images of Sheaves.
- Cohomology: Definition and the Basic Properties
- Cech Cohomology
- Principal Homogeneous Spaces and H1.
- Higher Direct Images; the Leray Spectral Sequence
- The Weil-Divisor Exact Sequence and the Cohomology of Gm
- The Cohomology of Curves
- Cohomological Dimension.
- Purity; the Gysin Sequence.
- The Proper Base Change Theorem.
- Cohomology Groups with Compact Support.
- Finiteness Theorems; Sheaves of Zl-modules
- The Smooth Base Change Theorem.
- The Comparison Theorem.
- The Kunneth Formula.
- The Cycle Map; Chern Classes
- Poincare Duality
- Lefschetz Fixed-Point Formula.
- The Weil Conjectures.
- Proof of the Weil Conjectures, except for the Riemann
Hypothesis
- Preliminary Reductions
- The Lefschetz Fixed Point Formula for Nonconstant Sheaves
- The MAIN Lemma
- The Geometry of Lefschetz Pencils
- The Cohomology of Lefschetz Pencils
- Completion of the Proof of the Weil Conjectures.
- The Geometry of Estimates
Errata