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Tale of Two Fractals 2013 ed. [Pehme köide]

  • Formaat: Paperback / softback, 138 pages, kõrgus x laius: 235x155 mm, kaal: 2409 g, XIII, 138 p., 1 Paperback / softback
  • Ilmumisaeg: 19-May-2015
  • Kirjastus: Springer-Verlag New York Inc.
  • ISBN-10: 1489997652
  • ISBN-13: 9781489997654
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  • Formaat: Paperback / softback, 138 pages, kõrgus x laius: 235x155 mm, kaal: 2409 g, XIII, 138 p., 1 Paperback / softback
  • Ilmumisaeg: 19-May-2015
  • Kirjastus: Springer-Verlag New York Inc.
  • ISBN-10: 1489997652
  • ISBN-13: 9781489997654

Since Benoit Mandelbrot's pioneering work in the late 1970s, scores of research articles and books have been published on the topic of fractals. Despite the volume of literature in the field, the general level of theoretical understanding has remained low; most work is aimed either at too mainstream an audience to achieve any depth or at too specialized a community to achieve widespread use. Written by celebrated mathematician and educator A.A. Kirillov, A Tale of Two Fractals is intended to help bridge this gap, providing an original treatment of fractals that is at once accessible to beginners and sufficiently rigorous for serious mathematicians. The work is designed to give young, non-specialist mathematicians a solid foundation in the theory of fractals, and, in the process, to equip them with exposure to a variety of geometric, analytical, and algebraic tools with applications across other areas.



Written by the celebrated mathematician and educator A.A. Kirillov, this book offers an original treatment of fractals that is accessible to beginners and sufficiently rigorous for serious mathematicians. Offers a solid foundation in the theory of fractals.

Arvustused

From the reviews:

A Tale of Two Fractals was intended to bridge the gap between popular expositions on fractals and peer-reviewed research papers. Kirillov (Univ. of Pennsylvania) includes open questions and conjectures along with references to papers and books that expand upon particular topics beyond the scope of the present volume. the book is a useful addition to libraries supporting graduate programs in mathematics . Summing Up: Recommended. Graduate students and above. (C. Bauer, Choice, Vol. 51 (4), December, 2013)

This volume deals with several mathematical problems concerning the qualitative analysis of some models on fractal domains. The author is mainly concerned with the Sierpiski and Apollonian gaskets. This volume contains important advances in the theory of fractal sets or hyperbolic geometry. The book is a valuable resource for graduate students and researchers in applied nonlinear analysis. (Viceniu D. Rdulescu, zbMATH, Vol. 1273, 2013)

Part I The Sierpinski Gasket
1 Definitions and General Properties
3(16)
1.1 First Appearance and Naive Definition
3(2)
Info A Metric Spaces
5(5)
A.1 Distance and Limit
6(1)
A.2 Contracting Maps
7(1)
A.3 Compact Sets
8(2)
1.2 Definition of Self-Similar Fractals
10(5)
Info B Hausdorff Measure and Hausdorff Dimension
15(4)
2 The Laplace Operator on the Sierpinski Gasket
19(10)
Info C The Classical Laplace Operator and Harmonic Functions
19(4)
C.1 Analytic Approach
20(1)
C.2 Algebraic Approach
21(2)
2.1 The Laplace Operator on Sn
23(3)
2.2 Comparing Spectra of Δn and of Δn--1
26(1)
2.3 Eigenfunctions of the Laplace Operator on Sn
27(2)
3 Harmonic Functions on the Sierpinski Gasket
29(28)
3.1 First Properties of Harmonic Functions
29(2)
3.2 The Functions Χ, φ, ψ, ξ
31(5)
3.3 Extension and Computation of Χ(t) and ψ(t)
36(2)
Info D Fractional Derivatives and Fractional Integrals
38(2)
3.4 Some Arithmetic Properties of Basic Functions
40(2)
3.5 Function D(k)
42(1)
3.6 The Functions x(t), y(t), and y(x)
43(2)
3.7 The Harmonic Image of S
45(1)
3.8 Multidimensional Analogues of S
46(2)
Info E Numerical Systems
48(5)
E.1 Standard Digital Systems
48(1)
E.2 Nonstandard Systems
49(1)
E.3 Continued Fractions
50(2)
E.4 A General Scheme
52(1)
3.9 Applications of Generalized Numerical Systems
53(4)
3.9.1 Application to the Sierpinski Gasket
53(1)
3.9.2 Application to the Question Mark Function
54(3)
Part II The Apollonian Gasket
4 Circles and Disks on Spheres
57(22)
Info F The Conformal Group and Stereographic Projection
57(9)
F.1 The Conformal Group
57(2)
F.2 Stereographic Projection
59(2)
F.3 The Matrix Definition of Gn
61(2)
F.4 Small Dimensions
63(3)
4.1 Descartes's Theorem on Disks in the Plane
66(6)
4.2 Proof of Descartes's Theorem for n = 2
72(7)
4.2.1 Generalized Descartes's Theorem
75(4)
5 Definition of the Apollonian Gasket
79(16)
5.1 Basic Facts
79(3)
5.2 Examples of Gaskets
82(1)
Info G The Fibonacci Numbers
83(3)
5.3 Examples of Unbounded Apollonian Tilings
86(4)
5.4 Integral Solutions to Descartes's Equation
90(2)
Info H Structure of Groups Freely Generated by Reflections
92(3)
6 Arithmetic Properties of Apollonian Gaskets
95(20)
6.1 The Structure of Q
95(3)
6.2 Rational Parameterization of Circles
98(8)
6.3 Nice Parameterizations of Disks Tangent to a Given Disk
106(3)
6.4 Integral Apollonian Gaskets
109(1)
6.4.1 Basic Quadruples
109(1)
Info I The Mobius Inversion Formula
110(5)
6.4.2 Some Computations
112(3)
7 Geometric and Group-Theoretic Approach
115(14)
Info J The Hyperbolic (Lobachevsky) Plane L
115(6)
J.1 The First Poincare Model
115(2)
J.2 The Second Poincare Model
117(1)
J.3 The Klein Model
118(3)
7.1 The Mobius Group and Apollonian Gaskets
121(4)
7.2 Action of the Group Γ4 on an Apollonian Gasket
125(4)
8 MultiDimensional Apollonian Gaskets
129(6)
8.1 General Approach
129(3)
8.2 The Three-Dimensional Apollonian Gasket
132(3)
Bibliography
135(2)
A Popular Books, Lectures and Surveys
135(1)
B Books
135(1)
C Research Papers
136(1)
D Web Sites
136(1)
Index 137