Analytic and Algebraic Geometry: Common Problems, Different Methods

Front Cover
Jeffery D. McNeal, Mircea Mustata
American Mathematical Soc., Jan 1, 2010 - Mathematics - 583 pages
"Analytic and algebraic geometers often study the same geometric structures but bring different methods to bear on them. While this dual approach has been spectacularly successful at solving problems, the language differences between algebra and analysis also represent a difficulty for students and researchers in geometry, particularly complex geometry. The PCMI program was designed to partially address this language gulf, by presenting some of the active developments in algebraic and analytic geometry in a form suitable for students on the 'other side' of the analysis-algebra language divide. One focal point of the summer school was multiplier ideals, a subject of wide current interest in both subjects. The present volume is based on a series of lectures at the PCMI summer school on analytic and algebraic geometry. The series is designed to give a high-level introduction to the advanced techniques behind some recent developments in algebraic and analytic geometry. The lectures contain many illustrative examples, detailed computations, and new perspectives on the topics presented, in order to enhance access of this material to non-specialists."--Publisher's description.
 

Contents

Mircea Mustata
3
Functional analytic interlude
19
The Bergman kernel
43
Lecture 5
51
Adjunction and extension from divisors
59
Deformational invariance of plurigenera
71
John P DAngelo Real and Complex Geometry meet the CauchyRiemann Equations 77
77
Preface
79
Squared norms and proper mappings between balls
171
Holomorphic line bundles
173
Some open problems
175
Basic notions in complex geometry
189
The Hörmander theorem
217
The L2 extension theorem
251
The Skoda division theorem
277
Bibliography
293

Background material 81 81 82
81
Differential forms
82
Solving the CauchyRiemann equations
84
Complex varieties in real hypersurfaces
87
Hermitian symmetry and polarization
89
Holomorphic decomposition
90
Real analytic hypersurfaces and subvarieties
98
Complex varieties local algebra and multiplicities
99
Pseudoconvexity the Levi form and points of finite type
105
The Levi form
107
Higher order commutators
111
Points of finite type
113
Commutative algebra
116
A return to finite type
121
The set of finite type points is open
126
Kohns algorithm for subelliptic multipliers
129
Subelliptic estimates
130
Kohns algorithm
133
Kohns algorithm for holomorphic and formal germs
134
Failure of effectiveness for Kohns algorithm
139
Triangular systems
140
Additional remarks
144
Connections with partial differential equations
147
Local regularity for
149
Hypoellipticity global regularity and compactness
150
An introduction to L2estimates
152
Positivity conditions
157
The classes Pk
158
Intermediate conditions
159
The global CauchySchwarz inequality
161
A complicated example
164
Stabilization in the bihomogeneous polynomial case
166
Holomorphic Morse inequalities
310
Subadditivity of multiplier ideals and Fujitas approximate Zariski
329
Structure of the pseudoeffective cone and mobile intersection theory
343
Supercanonical metrics and abundance
357
Sius analytic approach and Păuns non vanishing theorem
365
Introduction
373
Proof of ii
390
References
402
Resolutions and principalizations
409
Marked ideals
415
Hypersurfaces of maximal contact and coefficient ideals
423
Homogenized ideals
431
Proof of principalization
437
Bibliography
449
Construction and examples of multiplier ideals
455
Vanishing theorems for multiplier ideals
463
Local properties of multiplier ideals
471
Asymptotic constructions
479
Extension theorems and deformation invariance of plurigenera
487
Bibliography
493
The cone of curves
503
Flips
513
Bibliography
523
Plflips
531
Finite generation of the restricted algebra
545
Solutions to the exercises
551
Alessio Corti Paul Hacking János Kollár Robert Lazarsfeld
557
Existence of flips I
565
Existence of flips II
571
Bibliography
583
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