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9781402014079
Factorization, Singular Operators and Related Problems / Edition 1 available in Hardcover
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Factorization, Singular Operators and Related Problems / Edition 1
by Stefan Samko, Amarino Lebre, António F. dos Santos
Stefan Samko
- ISBN-10:
- 1402014074
- ISBN-13:
- 9781402014079
- Pub. Date:
- 07/31/2003
- Publisher:
- Springer Netherlands
- ISBN-10:
- 1402014074
- ISBN-13:
- 9781402014079
- Pub. Date:
- 07/31/2003
- Publisher:
- Springer Netherlands
![Factorization, Singular Operators and Related Problems / Edition 1](http://img.images-bn.com/static/redesign/srcs/images/grey-box.png?v11.9.4)
Factorization, Singular Operators and Related Problems / Edition 1
by Stefan Samko, Amarino Lebre, António F. dos Santos
Stefan Samko
Hardcover
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Overview
These proceedings comprise a large part of the papers presented at the International Conference Factorization, Singular Operators and related problems, which was held from January 28 to February 1, 2002, at the University of th Madeira, Funchal, Portugal, to mark Professor Georgii Litvinchuk's 70 birth day. Experts in a variety of fields came to this conference to pay tribute to the great achievements of Professor Georgii Litvinchuk in the development of various areas of operator theory. The main themes of the conference were focussed around the theory of singular type operators and factorization problems, but other topics such as potential theory and fractional calculus, to name but a couple, were also presented. The goal of the conference was to bring together mathematicians from var ious fields within operator theory and function theory in order to highlight recent advances in problems many of which were originally studied by Profes sor Litvinchuk and his scientific school. A second aim was to stimulate in ternational collaboration even further and promote the interaction of different approaches in current research in these areas. The Proceedings will be of great interest to researchers in Operator The ory, Real and Complex Analysis, Functional and Harmonic Analysis, Potential Theory, Fractional Calculus and other areas, as well as to graduate students looking for the latest results.
Product Details
ISBN-13: | 9781402014079 |
---|---|
Publisher: | Springer Netherlands |
Publication date: | 07/31/2003 |
Edition description: | 2003 |
Pages: | 334 |
Product dimensions: | 8.27(w) x 11.69(h) x 0.03(d) |
Table of Contents
Preface | ix | |
Foreword | xiii | |
A few words about Georgii Litvinchuk | xvii | |
Contributed Papers | ||
Singular Integrals Along Flat Curves with Kernels in the Hardy Space H[superscript 1] (S[superscript n-1]) | 1 | |
1 | Introduction and statement of results | 1 |
2 | The Hardy space H[superscript 1] (S[superscript n-1]) | 3 |
3 | Preparation | 4 |
4 | Proof of main results | 6 |
On Functional Equations with Operator Coefficients | 13 | |
1 | Introduction | 13 |
2 | C*-algebras, generated by dynamical systems. The isomorphism theorem | 14 |
3 | The symbolic calculus for FPDO | 16 |
4 | The invertibility conditions for functional operators. The hyperbolic approach | 17 |
5 | The case of a finite group. Formulas for the index | 19 |
6 | The essential spectra of weighted shift operators | 20 |
Elliptic Systems with Almost Regular Coefficients: Singular Weight Integral Operators | 25 | |
1 | Introduction | 25 |
2 | Definitions. Embedding theorems | 26 |
3 | Integral equations. Weight integral operators | 31 |
4 | Boundary value problems for generalized analytic functions | 38 |
5 | Smoothness of quasi-conformal mappings | 39 |
Toeplitz Matrices with Slowly Growing Pseudospectra | 43 | |
1 | Introduction and Main Results | 43 |
2 | Toeplitz determinants | 45 |
3 | Slow growth of the resolvent norm | 51 |
A Numerical Procedure for the Inverse Sturm-Liouville Operator | 55 | |
1 | Introduction | 55 |
2 | Formulation of the method | 56 |
3 | Some examples | 59 |
4 | Using different gradients | 60 |
5 | Conclusion | 63 |
A Geometrical Proof of a Theorem of Crum | 65 | |
1 | Introduction | 65 |
2 | The strongly continous unitary group associated to f | 66 |
3 | Construction of the function f[superscript c] | 69 |
4 | Positive definiteness of f[superscript o] | 71 |
Localization and Minimal Normalization of some Basic Mixed Boundary Value Problems | 73 | |
1 | Introduction to mixed boundary value problems and normalization | 74 |
2 | Associated operators | 77 |
3 | Localization | 79 |
4 | Reduction to semi-homogeneous problems | 83 |
5 | The Fredholm property | 86 |
6 | Normalization - the basic idea | 89 |
7 | Minimal normalization in the scalar case | 94 |
8 | Concluding remarks | 97 |
Factorization of some Classes of Matrix Functions and the Resolvent of a Hankel Operator | 101 | |
1 | Introduction | 101 |
2 | Factorization of a class of hermitian matrix functions | 103 |
3 | The resolvent of a Hankel operator | 106 |
Compactness of Commutators Arising in the Fredholm Theory of Singular Integral Operators with Shifts | 111 | |
1 | Introduction | 111 |
2 | Preliminaries | 113 |
3 | Compactness of commutators on L[superscript 2] | 118 |
4 | Compactness of commutators on rearrangement-invariant spaces | 125 |
5 | Some corollaries | 125 |
Some Problems in the Theory of Integral and Differential Equations of Fractional Order | 131 | |
1 | Introduction | 131 |
2 | Laplace transform method | 132 |
3 | Operational calculus method | 137 |
4 | Compositional method | 140 |
5 | Problems and new trends of research | 144 |
Fractional Differential Equations: A Emergent Field in Applied and Mathematical Sciences | 151 | |
1 | Introduction | 152 |
2 | The Complexity Systems | 154 |
3 | Fractional Integral and Fractional Derivative Operators | 158 |
4 | A New Model for the Super-Diffusion Processes | 161 |
Boundary Value Problems for Analytic and Harmonic Functions of Smirnov Classes in Domains with Non-Smooth Boundaries | 175 | |
1 | The Riemann Problem with Boundary Values from the Zygmund Class | 177 |
2 | The Dirichlet Problem for Harmonic Functions from the Smirnov Classes ep (D) and ep (D, [rho]) | 182 |
3 | The Dirichlet Problem in the Class e 1 (D) when the Boundary Function Belongs to the Zygmund Class | 189 |
An Estimate for the Dimension of the Kernel of a Singular Operator with a non-Carleman Shift | 197 | |
1 | Introduction | 197 |
2 | An estimate for dim ker T | 198 |
On the Solution of Integral Equations on the Circular Disk by Use of Orthogonal Polynomials | 205 | |
1 | Introduction | 205 |
2 | Basic results | 207 |
3 | The fully discretised Galerkin method | 212 |
4 | Error estimates | 215 |
Singular and Fredholm Integral Equations for Dirichlet Boundary Problems for Axial-Symmetric Potential Fields | 219 | |
1 | Introduction | 219 |
2 | Preliminary notes and notation | 221 |
3 | Dirichlet boundary problem for the axial-symmetric potential | 222 |
4 | Dirichlet boundary problem for the Stokes flow function | 228 |
On the Analyticity of the Schwarz Operator with Respect to a Curve | 237 | |
1 | Introduction | 237 |
2 | Preliminaries and notation | 240 |
3 | Real analyticity of the modified Schwarz operator | 245 |
4 | Regularity of another variants of the Schwarz operator | 251 |
Integral Operators with Shifts on Homogeneous Groups | 255 | |
1 | Introduction | 255 |
2 | The limit operators method | 256 |
3 | Operators on homogeneous groups | 259 |
4 | Fredholmness of convolution operators with shifts | 264 |
On the Algebra Generated by a Poly-Bergman Projection and a Composition Operator | 273 | |
1 | Introduction | 273 |
2 | Symbol algebra of R n,A = R(CI; B n, B n,A) | 275 |
3 | Symbol algebra of R n = R(C(G)I; B n, W B n W) | 281 |
4 | Symbol algebra of R n,W = R(C(G)I; B n, W) | 284 |
5 | Proof of Theorem 1.1 | 286 |
How to Compute the Partial Indices of a Regular and Smooth Matrix-Valued Function? | 291 | |
1 | Introduction | 291 |
2 | Toeplitz operators and their finite sections | 292 |
3 | Modified finite sections | 295 |
4 | Speed of convergence | 296 |
5 | Collocation-based approximations | 298 |
The Multiplicative and Spectral Structure of Analytic Operator-Valued Functions | 301 | |
1 | Introduction | 301 |
2 | Limiting values of multiplicative integrals | 302 |
3 | The case of the derivative in the Hardy class | 312 |
Toeplitz Operators on the Bergman Space | 315 | |
1 | Introduction | 315 |
2 | Commutative algebras of Toeplitz operators | 316 |
3 | Bergman space structure and spectral form of special classes of Toeplitz operators | 318 |
4 | Unbounded symbols | 322 |
5 | Commutator properties and representations of C*-algebras | 324 |
6 | Dynamics of properties of Toeplitz operators | 326 |
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