Birational Geometry of Foliations

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The text presents the birational classification of holomorphic foliations of surfaces. It discusses at length the theory developed by L.G. Mendes, M. McQuillan and the author to study foliations of surfaces in the spirit of the classification of complex algebraic surfaces.

Author(s): Marco Brunella
Series: IMPA Monographs, Vol. 1
Publisher: Springer
Year: 2015

Language: English
Pages: C, XIV, 130

Cover
IMPA Monographs; Volume 1
Birational Geometry of Foliations
Copyright
© Springer International Publishing Switzerland 2015
ISBN 978-3-319-14309-5
ISBN 978-3-319-14310-1 (eBook)
DOI 10.1007/978-3-319-14310-1
Library of Congress Control Number: 2014122930
Preface
Contents

Introduction: From Surfaces to Foliations

1 Local Theory
1 Reduced Singularities and Their Separatrices
2 Blowing-up and Resolution

2 Foliations and Line Bundles
1 Basic Definitions
2 Degrees of the Bundles on Curves
3 Some Examples

3 Index Theorems
1 Baum–Bott Formula
2 Camacho–Sad Formula
3 The Separatrix Theorem and its Singular Generalization
4 An Index Theorem for Invariant Measures
5 Regular Foliations on Rational Surfaces

4 Some Special Foliations
1 Riccati Foliations
2 A Very Special Foliation
3 Turbulent Foliations

5 Minimal Models
1 Minimal Models and Relatively Minimal Models
2 Existence of Minimal Models

6 Global 1-Forms and Vector Fields
1 Holomorphic and Logarithmic 1-Forms
2 A Theorem of Jouanolou
3 Holomorphic Vector Fields

7 The Rationality Criterion
1 Statement and First Consequences
2 Foliations in Positive Characteristic
3 Proof of Theorem 7.1
4 A Proof by Bogomolov and McQuillan
5 Construction of Special Metrics

8 Numerical Kodaira Dimension
1 Zariski Decomposition and Numerical Kodaira Dimension
2 The Structure of the Negative Part
3 Foliations with Vanishing Numerical Kodaira Dimension
4 Contraction of the Negative Part and Canonical Singularities

9 Kodaira Dimension
1 Kodaira Dimension of Foliations
2 Foliations of Kodaira Dimension 1
3 Foliations of Kodaira Dimension 0
4 Foliations with an Entire Leaf
5 Foliations of Negative Kodaira Dimension

References

Index