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J-Contractive Matrix Valued Functions and Related Topics

Part of Encyclopedia of Mathematics and its Applications

  • Authors:
  • Damir Z. Arov, South-Ukrainian Pedagogical University, Odessa, Ukraine
  • Harry Dym, Weizmann Institute of Science, Israel
  • Date Published: November 2008
  • availability: Available
  • format: Hardback
  • isbn: 9780521883009

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About the Authors
  • J-contractive and J-inner matrix valued functions have a wide range of applications in mathematical analysis, mathematical physics, control engineering and theory of systems and networks. This book provides a comprehensive introduction to the theory of these functions with respect to the open upper half-plane, and a number of applications are also discussed. The first chapters develop the requisite background material from the geometry of finite dimensional spaces with an indefinite inner product, and the theory of the Nevanlinna class of matrix valued functions with bounded characteristic in the open upper half-plane (with attention to special subclasses). Subsequent chapters develop this theory to include associated pairs of inner matrix valued functions and reproducing kernel Hilbert spaces. Special attention is paid to the subclasses of regular and strongly regular J-inner matrix valued functions, which play an essential role in the study of the extension and interpolation problems.

    • Comprehensive and self contained account of the theory of J-contractive and J-inner matrix valued functions
    • Applications to a variety of problems in mathematical analysis, mathematical physics, control engineering and the mathematical theory of systems and networks
    • Brings together years of research, much by the authors themselves, into book form for the first time
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    Reviews & endorsements

    '… packed with information, much of which is not readily found elsewhere. The book will surely be useful for many years to come, and the authors are to be congratulated on a valuable contribution to the literature.' Mathematical Reviews

    '… well written with theoretical results of a high standard … can be recommended to scientists, engineers and students preparing their doctoral theses.' EMS Newsletter

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    Product details

    • Date Published: November 2008
    • format: Hardback
    • isbn: 9780521883009
    • length: 588 pages
    • dimensions: 240 x 165 x 35 mm
    • weight: 0.98kg
    • contains: 4 tables
    • availability: Available
  • Table of Contents

    Preface
    1. Introduction
    2. Algebraic preliminaries
    3. The Nevanlinna class of meromorphic mvf's
    4. J-contractive and J-inner matrix valued functions
    5. Reproducing kernel Hilbert spaces
    6. Generalized interpolation problems
    7. Generalized Krein extension problems
    8. Darlington representations and related inverse problems
    9. More criteria for strong regularity
    10. Formulas for entropy functionals
    Bibliography.

  • Authors

    Damir Z. Arov, South-Ukrainian Pedagogical University, Odessa, Ukraine
    Damir Z. Arov is Professor of Mathematical Analysis at South-Ukraine Pedagogical University in Odessa. He is the author of more than 100 research and survey papers and has been an invited speaker at numerous international conferences.

    Harry Dym, Weizmann Institute of Science, Israel
    Harry Dym is Professor Emeritus in the Department of Mathematics at the Weizmann Institute of Science in Israel. He has written more than 100 papers and this is his 5th book. Professor Dym is well know for his work in this area and his research interests are Operator Theory, Interpolation Theory, Inverse Problems and Classical Analysis.

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