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Regularised Integrals, Sums and Traces: An Analytic Point of View
 
Sylvie Paycha Universität Potsdam, Potsdam, Germany and Université Blaise Pascal, Aubière, Cedex, France
Front Cover for Regularised Integrals, Sums and Traces
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Softcover ISBN: 978-0-8218-5367-2
Product Code: ULECT/59
190 pp 
List Price: $46.00
MAA Member Price: $41.40
AMS Member Price: $36.80
Electronic ISBN: 978-0-8218-9035-6
Product Code: ULECT/59.E
190 pp 
List Price: $43.00
MAA Member Price: $38.70
AMS Member Price: $34.40
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This product is available for purchase as a bundle. Purchasing as a bundle enables you to save on the electronic version.
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  • Front Cover for Regularised Integrals, Sums and Traces
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Regularised Integrals, Sums and Traces: An Analytic Point of View
Sylvie Paycha Universität Potsdam, Potsdam, Germany and Université Blaise Pascal, Aubière, Cedex, France
Available Formats:
Softcover ISBN:  978-0-8218-5367-2
Product Code:  ULECT/59
190 pp 
List Price: $46.00
MAA Member Price: $41.40
AMS Member Price: $36.80
Electronic ISBN:  978-0-8218-9035-6
Product Code:  ULECT/59.E
190 pp 
List Price: $43.00
MAA Member Price: $38.70
AMS Member Price: $34.40
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: $69.00
MAA Member Price: $62.10
AMS Member Price: $55.20
  • Book Details
     
     
    University Lecture Series
    Volume: 592012
    MSC: Primary 11; 40; 47; 81; 65;

    “Regularization techniques” is the common name for a variety of methods used to make sense of divergent series, divergent integrals, or traces of linear operators in infinite-dimensional spaces. Such methods are often indispensable in problems of number theory, geometry, quantum field theory, and other areas of mathematics and theoretical physics. However arbitrary and noncanonical they might seem at first glance, regularized sums, integrals, and traces often contain canonical concepts, and the main purpose of this book is to illustrate and explain this.

    This book provides a unified and self-contained mathematical treatment of various regularization techniques. The author shows how to derive regularized sums, integrals, and traces from certain canonical building blocks of the original divergent object. In the process of putting together these “building blocks”, one encounters many problems and ambiguities caused by various so-called anomalies, which are investigated and explained in detail. Nevertheless, it turns out that the corresponding canonical sums, integrals, sums, and traces are well behaved, thus making the regularization procedure possible and manageable.

    This new unified outlook on regularization techniques in various fields of mathematics and in quantum field theory can serve as an introduction for anyone from a beginning mathematician interested in the subject to an experienced physicist who wants to gain a unified outlook on techniques he/she uses on a daily basis.

    Readership

    Research mathematicians interested in partial differential equations, asymptotic methods, and applications to quantum field theory.

  • Table of Contents
     
     
    • Chapters
    • Chapter 1. The Gamma function extended to nonpositive integer points
    • Chapter 2. The canonical integral and noncommutative residue on symbols
    • Chapter 3. The cut-off regularised integral
    • Chapter 4. The noncommutative residue as a complex residue
    • Chapter 5. The canonical sum on noninteger order classical symbols
    • Chapter 6. Traces on pseudodifferential operators
    • Chapter 7. Weighted traces
    • Chapter 8. Logarithmic residues
    • Chapter 9. Anomalies of regularised determinants
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Volume: 592012
MSC: Primary 11; 40; 47; 81; 65;

“Regularization techniques” is the common name for a variety of methods used to make sense of divergent series, divergent integrals, or traces of linear operators in infinite-dimensional spaces. Such methods are often indispensable in problems of number theory, geometry, quantum field theory, and other areas of mathematics and theoretical physics. However arbitrary and noncanonical they might seem at first glance, regularized sums, integrals, and traces often contain canonical concepts, and the main purpose of this book is to illustrate and explain this.

This book provides a unified and self-contained mathematical treatment of various regularization techniques. The author shows how to derive regularized sums, integrals, and traces from certain canonical building blocks of the original divergent object. In the process of putting together these “building blocks”, one encounters many problems and ambiguities caused by various so-called anomalies, which are investigated and explained in detail. Nevertheless, it turns out that the corresponding canonical sums, integrals, sums, and traces are well behaved, thus making the regularization procedure possible and manageable.

This new unified outlook on regularization techniques in various fields of mathematics and in quantum field theory can serve as an introduction for anyone from a beginning mathematician interested in the subject to an experienced physicist who wants to gain a unified outlook on techniques he/she uses on a daily basis.

Readership

Research mathematicians interested in partial differential equations, asymptotic methods, and applications to quantum field theory.

  • Chapters
  • Chapter 1. The Gamma function extended to nonpositive integer points
  • Chapter 2. The canonical integral and noncommutative residue on symbols
  • Chapter 3. The cut-off regularised integral
  • Chapter 4. The noncommutative residue as a complex residue
  • Chapter 5. The canonical sum on noninteger order classical symbols
  • Chapter 6. Traces on pseudodifferential operators
  • Chapter 7. Weighted traces
  • Chapter 8. Logarithmic residues
  • Chapter 9. Anomalies of regularised determinants
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