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Calderón-Zygmund Capacities and Operators on Nonhomogeneous Spaces

Alexander Volberg Michigan State University, East Lansing, MI
A co-publication of the AMS and CBMS
Available Formats:
Softcover ISBN: 978-0-8218-3252-3
Product Code: CBMS/100
List Price: $49.00 Individual Price:$39.20
Electronic ISBN: 978-1-4704-2461-9
Product Code: CBMS/100.E
List Price: $46.00 Individual Price:$36.80
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List Price: $73.50 Click above image for expanded view Calderón-Zygmund Capacities and Operators on Nonhomogeneous Spaces Alexander Volberg Michigan State University, East Lansing, MI A co-publication of the AMS and CBMS Available Formats:  Softcover ISBN: 978-0-8218-3252-3 Product Code: CBMS/100  List Price:$49.00 Individual Price: $39.20  Electronic ISBN: 978-1-4704-2461-9 Product Code: CBMS/100.E  List Price:$46.00 Individual Price: $36.80 Bundle Print and Electronic Formats and Save! This product is available for purchase as a bundle. Purchasing as a bundle enables you to save on the electronic version.  List Price:$73.50
• Book Details

CBMS Regional Conference Series in Mathematics
Volume: 1002003; 167 pp
MSC: Primary 42; Secondary 32; 31;

Singular integral operators play a central role in modern harmonic analysis. Simplest examples of singular kernels are given by Calderón–Zygmund kernels. Many important properties of singular integrals have been thoroughly studied for Calderón–Zygmund operators.

In the 1980's and early 1990's, Coifman, Weiss, and Christ noticed that the theory of Calderón–Zygmund operators can be generalized from Euclidean spaces to spaces of homogeneous type. The purpose of this book is to make the reader believe that homogeneity (previously considered as a cornerstone of the theory) is not needed. This claim is illustrated by presenting two harmonic analysis problems famous for their difficulty.

The first problem treats semiadditivity of analytic and Lipschitz harmonic capacities. The volume presents the first self-contained and unified proof of the semiadditivity of these capacities. The book details Tolsa's solution of Painlevé's and Vitushkin's problems and explains why these are problems of the theory of Calderón–Zygmund operators on nonhomogeneous spaces. The exposition is not dimension-specific, which allows the author to treat Lipschitz harmonic capacity and analytic capacity at the same time.

The second problem considered in the volume is a two-weight estimate for the Hilbert transform. This problem recently found important applications in operator theory, where it is intimately related to spectral theory of small perturbations of unitary operators.

The book presents a technique that can be helpful in overcoming rather bad degeneracies (i.e., exponential growth or decay) of underlying measure (volume) on the space where the singular integral operator is considered. These situations occur, for example, in boundary value problems for elliptic PDE's in domains with extremely singular boundaries. Another example involves harmonic analysis on the boundaries of pseudoconvex domains that goes beyond the scope of Carnot-Carathéodory spaces.

The book is suitable for graduate students and research mathematicians interested in harmonic analysis.

Readership

Graduate students and research mathematicians interested in harmonic analysis.

• Table of Contents

• Chapters
• Chapter 1. Introduction
• Chapter 2. Preliminaries on capacities
• Chapter 3. Localization of Newton and Riesz potentials
• Chapter 4. From distribution to measure. Carleson property
• Chapter 5. Potential neighborhood that has properties (3.13)–(3.14)
• Chapter 6. The tree of the proof
• Chapter 7. The first reduction to nonhomogeneous $Tb$ theorem
• Chapter 8. The second reduction
• Chapter 9. The third reduction
• Chapter 10. The fourth reduction
• Chapter 11. The proof of nonhomogeneous Cotlar’s lemma. Arbitrary measure
• Chapter 12. Starting the proof of nonhomogeneous nonaccretive $Tb$ theorem
• Chapter 13. Next step in theorem 10.6. Good and bad functions
• Chapter 14. Estimate of the diagonal sum. Remainder in theorem 3.3
• Chapter 15. Two-weight estimate for the Hilbert transform. Preliminaries
• Chapter 16. Necessity in the main theorem
• Chapter 17. Two-weight Hilbert transform. Towards the main theorem
• Chapter 18. Long range interaction
• Chapter 19. The rest of the long range interaction
• Chapter 20. The short range interaction
• Chapter 21. Difficult terms and several paraproducts
• Chapter 22. Two-weight Hilbert transform and maximal operator
• Additional Material

• Reviews

• ...this book will interest anyone who would like to learn these new beautiful techniques in harmonic analysis and apply them...

Hervé Pajot for Mathematical Reviews
• Requests

Review Copy – for reviewers who would like to review an AMS book
Accessibility – to request an alternate format of an AMS title
Volume: 1002003; 167 pp
MSC: Primary 42; Secondary 32; 31;

Singular integral operators play a central role in modern harmonic analysis. Simplest examples of singular kernels are given by Calderón–Zygmund kernels. Many important properties of singular integrals have been thoroughly studied for Calderón–Zygmund operators.

In the 1980's and early 1990's, Coifman, Weiss, and Christ noticed that the theory of Calderón–Zygmund operators can be generalized from Euclidean spaces to spaces of homogeneous type. The purpose of this book is to make the reader believe that homogeneity (previously considered as a cornerstone of the theory) is not needed. This claim is illustrated by presenting two harmonic analysis problems famous for their difficulty.

The first problem treats semiadditivity of analytic and Lipschitz harmonic capacities. The volume presents the first self-contained and unified proof of the semiadditivity of these capacities. The book details Tolsa's solution of Painlevé's and Vitushkin's problems and explains why these are problems of the theory of Calderón–Zygmund operators on nonhomogeneous spaces. The exposition is not dimension-specific, which allows the author to treat Lipschitz harmonic capacity and analytic capacity at the same time.

The second problem considered in the volume is a two-weight estimate for the Hilbert transform. This problem recently found important applications in operator theory, where it is intimately related to spectral theory of small perturbations of unitary operators.

The book presents a technique that can be helpful in overcoming rather bad degeneracies (i.e., exponential growth or decay) of underlying measure (volume) on the space where the singular integral operator is considered. These situations occur, for example, in boundary value problems for elliptic PDE's in domains with extremely singular boundaries. Another example involves harmonic analysis on the boundaries of pseudoconvex domains that goes beyond the scope of Carnot-Carathéodory spaces.

The book is suitable for graduate students and research mathematicians interested in harmonic analysis.

Readership

Graduate students and research mathematicians interested in harmonic analysis.

• Chapters
• Chapter 1. Introduction
• Chapter 2. Preliminaries on capacities
• Chapter 3. Localization of Newton and Riesz potentials
• Chapter 4. From distribution to measure. Carleson property
• Chapter 5. Potential neighborhood that has properties (3.13)–(3.14)
• Chapter 6. The tree of the proof
• Chapter 7. The first reduction to nonhomogeneous $Tb$ theorem
• Chapter 8. The second reduction
• Chapter 9. The third reduction
• Chapter 10. The fourth reduction
• Chapter 11. The proof of nonhomogeneous Cotlar’s lemma. Arbitrary measure
• Chapter 12. Starting the proof of nonhomogeneous nonaccretive $Tb$ theorem
• Chapter 13. Next step in theorem 10.6. Good and bad functions
• Chapter 14. Estimate of the diagonal sum. Remainder in theorem 3.3
• Chapter 15. Two-weight estimate for the Hilbert transform. Preliminaries
• Chapter 16. Necessity in the main theorem
• Chapter 17. Two-weight Hilbert transform. Towards the main theorem
• Chapter 18. Long range interaction
• Chapter 19. The rest of the long range interaction
• Chapter 20. The short range interaction
• Chapter 21. Difficult terms and several paraproducts
• Chapter 22. Two-weight Hilbert transform and maximal operator
• ...this book will interest anyone who would like to learn these new beautiful techniques in harmonic analysis and apply them...

Hervé Pajot for Mathematical Reviews
Review Copy – for reviewers who would like to review an AMS book
Accessibility – to request an alternate format of an AMS title
Please select which format for which you are requesting permissions.