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Stein Manifolds and Holomorphic Mappings: The Homotopy Principle in Complex Analysis 2nd ed. 2017 [Kietas viršelis]

This book, now in a carefully revised second edition, provides an up-to-date account of Oka theory, including the classical Oka-Grauert theory and the wide array of applications to the geometry of Stein manifolds. Oka theory is the field of complex analysis dealing with global problems on Stein manifolds which admit analytic solutions in the absence of topological obstructions. The exposition in the present volume focuses on the notion of an Oka manifold introduced by the author in 2009. It explores connections with elliptic complex geometry initiated by Gromov in 1989, with the Andersén-Lempert theory of holomorphic automorphisms of complex Euclidean spaces and of Stein manifolds with the density property, and with topological methods such as homotopy theory and the Seiberg-Witten theory. Researchers and graduate students interested in the homotopy principle in complex analysis will find this book particularly useful. It is currently the only work that offers a comprehensive introduction to both the Oka theory and the theory of holomorphic automorphisms of complex Euclidean spaces and of other complex manifolds with large automorphism groups.
Part I Stein Manifolds
1 Preliminaries
3(42)
1.1 Complex Manifolds and Holomorphic Maps
3(4)
1.2 Examples of Complex Manifolds
7(3)
1.3 Subvarieties and Complex Spaces
10(3)
1.4 Holomorphic Fibre Bundles
13(3)
1.5 Holomorphic Vector Bundles
16(5)
1.6 The Tangent Bundle
21(3)
1.7 The Cotangent Bundle and Differential Forms
24(3)
1.8 Plurisubharmonic Functions and the Levi Form
27(5)
1.9 Vector Fields, Flows and Foliations
32(7)
1.10 What is the H-Principle?
39(6)
2 Stein Manifolds
45(20)
2.1 Domains of Holomorphy
45(4)
2.2 Stein Manifolds and Stein Spaces
49(1)
2.3 Holomorphic Convexity and the Oka-Weil Theorem
50(1)
2.4 Embedding Stein Manifolds into Euclidean Spaces
51(1)
2.5 Characterization by Plurisubharmonic Functions
52(2)
2.6 Cartan-Serre Theorems A & B
54(4)
2.7 The ∂-Problem
58(1)
2.8 Cartan-Oka-Weil Theorem with Parameters
59(6)
3 Stein Neighborhoods and Approximation
65(42)
3.1 Q-Complete Neighborhoods
65(5)
3.2 Stein Neighborhoods of Stein Subvarieties
70(3)
3.3 Holomorphic Retractions onto Stein Submanifolds
73(2)
3.4 A Semiglobal Holomorphic Extension Theorem
75(4)
3.5 Approximation on Totally Real Submanifolds
79(3)
3.6 Stein Neighborhoods of Laminated Sets
82(4)
3.7 Stein Compacts with Totally Real Handles
86(2)
3.8 A Mergelyan Approximation Theorem
88(2)
3.9 Strongly Pseudoconvex Handlebodies
90(4)
3.10 Morse Critical Points of q-Convex Functions
94(4)
3.11 Critical Levels of a q-Convex Function
98(4)
3.12 Topological Structure of a Stein Space
102(5)
4 Automorphisms of Complex Euclidean Spaces
107(100)
4.1 Shears
107(5)
4.2 Automorphisms of C2
112(3)
4.3 Attracting Basins and Fatou-Bieberbach Domains
115(8)
4.4 Random Iterations and the Push-Out Method
123(3)
4.5 Mittag-Leffler Theorem for Entire Maps
126(1)
4.6 Tame Discrete Sets in Cn
127(3)
4.7 Unavoidable and Rigid Discrete Sets
130(3)
4.8 Algorithms for Computing Flows
133(2)
4.9 The Andersen-Lempert Theory
135(6)
4.10 The Density Property
141(10)
4.11 Automorphisms Fixing a Subvariety
151(6)
4.12 Moving Polynormally Convex Sets
157(4)
4.13 Moving Totally Real Submanifolds
161(3)
4.14 Carleman Approximation by Automorphisms
164(5)
4.15 Automorphisms with Given Jets
169(6)
4.16 Mittag-Leffler Theorem for Automorphisms of Cn
175(6)
4.17 Interpolation by Fatou-Bieberbach Maps
181(4)
4.18 Twisted Holomorphic Embeddings into Cn
185(4)
4.19 Nonlinearizable Periodic Automorphisms of Cn
189(6)
4.20 A Non-Runge Fatou-Bieberbach Domain
195(2)
4.21 A Long C2 Without Holomorphic Functions
197(10)
Part II Oka Theory
5 Oka Manifolds
207(56)
5.1 A Historical Introduction to the Oka Principle
207(2)
5.2 Cousin Problems and Oka's Theorem
209(3)
5.3 The Oka-Grauert Principle
212(3)
5.4 What is an Oka Manifold?
215(4)
5.5 Basic Properties of Oka manifolds
219(4)
5.6 Examples of Oka Manifolds
223(11)
5.7 Cartan Pairs
234(1)
5.8 A Splitting Lemma
235(4)
5.9 Gluing Holomorphic Sprays
239(3)
5.10 Noncritical Strongly Pseudoconvex Extensions
242(3)
5.11 Proof of Theorem 5.4.4: The Basic Case
245(2)
5.12 Proof of Theorem 5.4.4: Stratified Fibre Bundles
247(5)
5.13 Proof of Theorem 5.4.4: The Parametric Case
252(4)
5.14 Existence Theorems for Holomorphic Sections
256(2)
5.15 Equivalences Between Oka Properties
258(5)
6 Elliptic Complex Geometry and Oka Theory
263(56)
6.1 Fibre Sprays and Elliptic Submersions
264(1)
6.2 The Oka Principle for Sections of Stratified Subelliptic Submersions
265(2)
6.3 Composed and Iterated Sprays
267(4)
6.4 Examples of Subelliptic Manifolds and Submersions
271(9)
6.5 Lifting Homotopies to Spray Bundles
280(3)
6.6 Runge Theorem for Sections of Subelliptic Submersions
283(4)
6.7 Gluing Holomorphic Sections on C-Pairs
287(3)
6.8 Complexes of Holomorphic Sections
290(3)
6.9 C-Strings
293(2)
6.10 Construction of the Initial Holomorphic Complex
295(2)
6.11 The Main Modification Lemma
297(6)
6.12 Proof of Theorems 6.2.2 and 6.6.6
303(3)
6.13 Relative Oka Principle on 1-Convex Manifolds
306(1)
6.14 The Oka Principle for Sections of Branched Maps
307(5)
6.15 Approximation by Algebraic Maps
312(7)
7 Flexibility Properties of Complex Manifolds and Holomorphic Maps
319(34)
7.1 Hierarchy of Holomorphic Flexibility Properties
320(5)
7.2 Stratified Oka Manifolds and Kummer Surfaces
325(3)
7.3 Oka Properties of Compact Complex Surfaces
328(4)
7.4 Oka Maps
332(4)
7.5 A Homotopy-Theoretic Viewpoint on Oka Theory
336(6)
7.6 Miscellanea and Open Problems
342(11)
Part III Applications
8 Applications of Oka Theory and Its Methods
353(50)
8.1 Principal Fibre Bundles
353(3)
8.2 The Oka-Grauert Principle for G-Bundles
356(4)
8.3 Homomorphisms and Generators of Vector Bundles
360(6)
8.4 Generators of Coherent Analytic Sheaves
366(3)
8.5 The Number of Equations Defining a Subvariety
369(4)
8.6 Elimination of Intersections
373(2)
8.7 Holomorphic Vaserstein Problem
375(3)
8.8 Transversality Theorems for Holomorphic Maps
378(8)
8.9 Singularities of Holomorphic Maps
386(2)
8.10 Local Sprays of Class A(D)
388(5)
8.11 Stein Neighborhoods of 4(D)-Graphs
393(5)
8.12 Oka Principle on Strongly Pseudoconvex Domains
398(2)
8.13 Banach Manifolds of Holomorphic Mappings
400(3)
9 Embeddings, Immersions and Submersions
403(74)
9.1 The H-Principle for Totally Real Immersions and for Complex Submersions
404(7)
9.2 (Almost) Proper Maps to Euclidean Spaces
411(4)
9.3 Embedding and Immersing Stein Manifolds into Euclidean Spaces of Minimal Dimension
415(5)
9.4 Proof of the Relative Embedding Theorem
420(6)
9.5 Weakly Regular Embeddings and Interpolation
426(3)
9.6 The Oka Principle for Holomorphic Immersions
429(2)
9.7 A Splitting Lemma for Biholomorphic Maps
431(5)
9.8 The Oka Principle for Proper Holomorphic Maps
436(5)
9.9 Exposing Points of Bordered Riemann Surfaces
441(5)
9.10 Embedding Bordered Riemann Surfaces in C2
446(4)
9.11 Infinitely Connected Complex Curves in C2
450(7)
9.12 Approximation of Holomorphic Submersions
457(4)
9.13 Noncritical Holomorphic Functions
461(8)
9.14 The Oka Principle for Holomorphic Submersions
469(1)
9.15 Closed Holomorphic 1-Forms Without Zeros
470(2)
9.16 Holomorphic Foliations on Stein Manifolds
472(5)
10 Topological Methods in Stein Geometry
477(56)
10.1 Real Surfaces in Complex Surfaces
478(4)
10.2 Invariants of Smooth 4-Manifolds
482(2)
10.3 Lai Indexes and Index Formulas
484(4)
10.4 Cancelling Pairs of Complex Points
488(4)
10.5 Applications of the Cancellation Theorem
492(6)
10.6 The Adjunction Inequality in Kahler Surfaces
498(7)
10.7 The Adjunction Inequality in Stein Surfaces
505(4)
10.8 Well Attached Handles
509(8)
10.9 Stein Structures and the Soft Oka Principle
517(3)
10.10 The Case dimR X ≠ 4
520(3)
10.11 Exotic Stein Structures on Smooth 4-Manifolds
523(10)
References 533(24)
Index 557
Franc Forstneric has published more than a hundred research and survey papers in complex analysis and geometry, including several in leading mathematical journals such as the Annals of Math., Acta Math., Inventiones Math., Duke Math. J., J. Eur. Math. Soc., Amer. J. Math., and others.

He held long term teaching and research positions at the

University of Wisconsin-Madison (Madison, USA),

Centre for Advanced Study (Oslo, Norway),

Institut Mittag-Leffler (Stockholm, Sweden),

Max Planck Institute (Bonn, Germany),

as well as visiting positions at more than ten other institutions. He was an invited speaker at over a hundred international conferences and workshops.

Since 2000 he is a Professor of Mathematics at the University of Ljubljana and is a member of the Academy of Sciences and Arts of the Republic of Slovenia.