EN
CONTENTS
Acknowledgements...................................................................................................5
Introduction..............................................................................................................6
Notations..................................................................................................................8
Chapter I. Zariski surfaces: definition and general properties................................10
Chapter II. The theory of adjoints..........................................................................14
Introduction..........................................................................................................14
§1. Behaviour of $ω_X$ under restriction to open subschemes............................15
§2. Behaviour of $ω_X$ under certain birational maps..........................................16
§3. Affine case, adjoints........................................................................................16
§4. Projective case................................................................................................20
§5. Theory of l-adjoints for l ≥ 1 (an outline).........................................................24
§6. Valuation theory for differentials.....................................................................25
Chapter III. An example relating to a question of O. Zariski...................................28
Introduction..........................................................................................................28
Part 1. Equation of the surface, singularities in characteristic 2..........................29
Part 2. .................................................................................................................33
Part 3. The singularity of F̅ at infinity....................................................................44
§1. Introductory remarks...................................................................................45
§2. Resolution of the singularity at infinity.........................................................47
§3. Behaviour of differentials at infinity under the resolution.............................52
Part 4. Conclusion................................................................................................57
Part 5. Appendix...................................................................................................58
Chapter IV. Generic Zariski surfaces..........................................................................64
Chapter V. Richness of the class of Zariski surfaces.................................................76
References................................................................................................................80