Functions of One Complex Variable II (Graduate Texts in Mathematics, Vol. 159) (Graduate Texts in Mathematics, 159)

Conway, John B.

ISBN 10: 0387944605 / ISBN 13: 9780387944609

Editore: Springer, 1995

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Titolo: Functions of One Complex Variable II (...

Casa editrice: Springer

Data di pubblicazione: 1995

Legatura: Rilegato

Condizione: New

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Riassunto:

This book discusses a variety of problems which are usually treated in a second course on the theory of functions of one complex variable, the level being gauged for graduate students. It treats several topics in geometric function theory as well as potential theory in the plane, covering in particular: conformal equivalence for simply connected regions, conformal equivalence for finitely connected regions, analytic covering maps, de Branges' proof of the Bieberbach conjecture, harmonic functions, Hardy spaces on the disk, potential theory in the plane. A knowledge of integration theory and functional analysis is assumed.

Contenuti:

of Volume II.- 13 Return to Basics.- 1 Regions and Curves.- 2 Derivatives and Other Recollections.- 3 Harmonic Conjugates and Primitives.- 4 Analytic Arcs and the Reflection Principle.- 5 Boundary Values for Bounded Analytic Functions.- 14 Conformal Equivalence for Simply Connected Regions.- 1 Elementary Properties and Examples.- 2 Crosscuts.- 3 Prime Ends.- 4 Impressions of a Prime End.- 5 Boundary Values of Riemann Maps.- 6 The Area Theorem.- 7 Disk Mappings: The Class S.- 15 Conformal Equivalence for Finitely Connected Regions.- 1 Analysis on a Finitely Connected Region.- 2 Conformal Equivalence with an Analytic Jordan Region.- 3 Boundary Values for a Conformal Equivalence Between Finitely Connected Jordan Regions.- 4 Convergence of Univalent Functions.- 5 Conformal Equivalence with a Circularly Slit Annulus.- 6 Conformal Equivalence with a Circularly Slit Disk.- 7 Conformal Equivalence with a Circular Region.- 16 Analytic Covering Maps.- 1 Results for Abstract Covering Spaces.- 2 Analytic Covering Spaces.- 3 The Modular Function.- 4 Applications of the Modular Function.- 5 The Existence of the Universal Analytic Covering Map.- 17 De Branges’s Proof of the Bieberbach Conjecture.- 1 Subordination.- 2 Loewner Chains.- 3 Loewner’s Differential Equation.- 4 The Milin Conjecture.- 5 Some Special Functions.- 6 The Proof of de Branges’s Theorem.- 18 Some Fundamental Concepts from Analysis.- 1 Bergman Spaces of Analytic and Harmonic Functions.- 2 Partitions of Unity.- 3 Convolution in Euclidean Space.- 4 Distributions.- 5 The Cauchy Transform.- 6 An Application: Rational Approximation.- 7 Fourier Series and Cesàro Sums.- 19 Harmonic Functions Redux.- 1 Harmonic Functions on the Disk.- 2 Fatou’s Theorem.- 3 Semicontinuous Functions.- 4 Subharmonic Functions.- 5 The Logarithmic Potential.- 6 An Application: Approximation by Harmonic Functions.- 7 The Dirichlet Problem.- 8 Harmonic Majorants.- 9 The Green Function.- 10 Regular Points for the Dirichlet Problem.- 11 The Dirichlet Principle and Sobolev Spaces.- 20 Hardy Spaces on the Disk.- 1 Definitions and Elementary Properties.- 2 The Nevanlinna Class.- 3 Factorization of Functions in the Nevanlinna Class.- 4 The Disk Algebra.- 5 The Invariant Subspaces of Hp.- 6 Szegö’s Theorem.- 21 Potential Theory in the Plane.- 1 Harmonic Measure.- 2 The Sweep of a Measure.- 3 The Robin Constant.- 4 The Green Potential.- 5 Polar Sets.- 6 More on Regular Points.- 7 Logarithmic Capacity: Part 1.- 8 Some Applications and Examples of Logarithmic Capacity.- 9 Removable Singularities for Functions in the Bergman Space.- 10 Logarithmic Capacity: Part 2.- 11 The Transfinite Diameter and Logarithmic Capacity.- 12 The Refinement of a Subharmonic Function.- 13 The Fine Topology.- 14 Wiener’s criterion for Regular Points.- References.- List of Symbols.