Fractal Geometry, Complex Dimensions and Zeta Functions: Geometry and Spectra of Fractal Strings

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Springer Science & Business Media, Sep 20, 2012 - Mathematics - 570 pages

Number theory, spectral geometry, and fractal geometry are interlinked in this in-depth study of the vibrations of fractal strings, that is, one-dimensional drums with fractal boundary.

Key Features of this Second Edition:

The Riemann hypothesis is given a natural geometric reformulation in the context of vibrating fractal strings

Complex dimensions of a fractal string, defined as the poles of an associated zeta function, are studied in detail, then used to understand the oscillations intrinsic to the corresponding fractal geometries and frequency spectra

Explicit formulas are extended to apply to the geometric, spectral, and dynamical zeta functions associated with a fractal

Examples of such explicit formulas include a Prime Orbit Theorem with error term for self-similar flows, and a geometric tube formula

The method of Diophantine approximation is used to study self-similar strings and flows

Analytical and geometric methods are used to obtain new results about the vertical distribution of zeros of number-theoretic and other zeta functions

Throughout, new results are examined and a new definition of fractality as the presence of nonreal complex dimensions with positive real parts is presented. The new final chapter discusses several new topics and results obtained since the publication of the first edition.

The significant studies and problems illuminated in this work may be used in a classroom setting at the graduate level. Fractal Geometry, Complex Dimensions and Zeta Functions, Second Edition will appeal to students and researchers in number theory, fractal geometry, dynamical systems, spectral geometry, and mathematical physics.

Review of the First Edition:

"In this book the author encompasses a broad range of topics that connect many areas of mathematics, including fractal geometry, number theory, spectral geometry, dynamical systems, complex analysis, distribution theory and mathematical physics. The book is self containing, the material organized in chapters preceding by an introduction and finally there are some interesting applications of the theory presented. ...The book is very well written and organized and the subject is very interesting and actual and has many applications." -- Nicolae-Adrian Secelean for Zentralblatt MATH

 

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Contents

Introduction
1
1 Complex Dimensions of Ordinary Fractal Strings
9
2 Complex Dimensions of SelfSimilar Fractal Strings
33
3 Complex Dimensions of Nonlattice SelfSimilar Strings Quasiperiodic Patterns and Diophantine Approximation
65
4 Generalized Fractal Strings Viewed as Measures
118
5 Explicit Formulas for Generalized Fractal Strings
137
6 The Geometry and the Spectrum of Fractal Strings
179
7 Periodic Orbits of SelfSimilar Flows
213
12 Fractality and Complex Dimensions
333
13 New Results and Perspectives
373
Appendix A Zeta Functions in Number Theory
485
Appendix B Zeta Functions of Laplacians and Spectral Asymptotics
497
Appendix C An Application of Nevanlinna Theory
505
Acknowledgements
511
Bibliography
515
Author Index
548

8 Fractal Tube Formulas
236
9 Riemann Hypothesis and Inverse Spectral Problems
271
10 Generalized Cantor Strings and their Oscillations
283
11 Critical Zeros of Zeta Functions
296

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About the author (2012)

Lapidus, University of California, Riverside.

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