Fourier Series on the Circle / 1: |
Motivation and Heuristics / 1.1: |
Motivation from Physics / 1.1.1: |
The Vibrating String / 1.1.1.1: |
Heat Flow in Solids / 1.1.1.2: |
Absolutely Convergent Trigonometric Series / 1.1.2: |
Examples of Factorial and Bessel Functions / 1.1.3: |
Poisson Kernel Example / 1.1.4: |
Proof of Laplace's Method / 1.1.5: |
Nonabsolutely Convergent Trigonometric Series / 1.1.6: |
Formulation of Fourier Series / 1.2: |
Fourier Coefficients and Their Basic Properties / 1.2.1: |
Fourier Series of Finite Measures / 1.2.2: |
Rates of Decay of Fourier Coefficients / 1.2.3: |
Piecewise Smooth Functions / 1.2.3.1: |
Fourier Characterization of Analytic Functions / 1.2.3.2: |
Sine Integral / 1.2.4: |
Other Proofs That Si([infinity]) = 1 / 1.2.4.1: |
Pointwise Convergence Criteria / 1.2.5: |
Integration of Fourier Series / 1.2.6: |
Convergence of Fourier Series of Measures / 1.2.6.1: |
Riemann Localization Principle / 1.2.7: |
Gibbs-Wilbraham Phenomenon / 1.2.8: |
The General Case / 1.2.8.1: |
Fourier Series in L[superscript 2] / 1.3: |
Mean Square Approximation--Parseval's Theorem / 1.3.1: |
Application to the Isoperimetric Inequality / 1.3.2: |
Rates of Convergence in L[superscript 2] / 1.3.3: |
Application to Absolutely-Convergent Fourier Series / 1.3.3.1: |
Norm Convergence and Summability / 1.4: |
Approximate Identities / 1.4.1: |
Almost-Everywhere Convergence of the Abel Means / 1.4.1.1: |
Summability Matrices / 1.4.2: |
Fejer Means of a Fourier Series / 1.4.3: |
Wiener's Closure Theorem on the Circle / 1.4.3.1: |
Equidistribution Modulo One / 1.4.4: |
Hardy's Tauberian Theorem / 1.4.5: |
Improved Trigonometric Approximation / 1.5: |
Rates of Convergence in C (T) / 1.5.1: |
Approximation with Fejer Means / 1.5.2: |
Jackson's Theorem / 1.5.3: |
Higher-Order Approximation / 1.5.4: |
Converse Theorems of Bernstein / 1.5.5: |
Divergence of Fourier Series / 1.6: |
The Example of du Bois-Reymond / 1.6.1: |
Analysis via Lebesgue Constants / 1.6.2: |
Divergence in the Space L[superscript 1] / 1.6.3: |
Appendix: Complements on Laplace's Method / 1.7: |
First Variation on the Theme-Gaussian Approximation / 1.7.0.1: |
Second Variation on the Theme-Improved Error Estimate / 1.7.0.2: |
Application to Bessel Functions / 1.7.1: |
The Local Limit Theorem of DeMoivre-Laplace / 1.7.2: |
Appendix: Proof of the Uniform Boundedness Theorem / 1.8: |
Appendix: Higher-Order Bessel functions / 1.9: |
Appendix: Cantor's Uniqueness Theorem / 1.10: |
Fourier Transforms on the Line And Space / 2: |
Basic Properties of the Fourier Transform / 2.1: |
Riemann-Lebesgue Lemma / 2.2.1: |
Approximate Identities and Gaussian Summability / 2.2.2: |
Improved Approximate Identities for Pointwise Convergence / 2.2.2.1: |
Application to the Fourier Transform / 2.2.2.2: |
The n-Dimensional Poisson Kernel / 2.2.2.3: |
Fourier Transforms of Tempered Distributions / 2.2.3: |
Characterization of the Gaussian Density / 2.2.4: |
Wiener's Density Theorem / 2.2.5: |
Fourier Inversion in One Dimension / 2.3: |
Dirichlet Kernel and Symmetric Partial Sums / 2.3.1: |
Example of the Indicator Function / 2.3.2: |
Dini Convergence Theorem / 2.3.3: |
Extension to Fourier's Single Integral / 2.3.4.1: |
Smoothing Operations in R[superscript 1]-Averaging and Summability / 2.3.5: |
Averaging and Weak Convergence / 2.3.6: |
Cesaro Summability / 2.3.7: |
Approximation Properties of the Fejer Kernel / 2.3.7.1: |
Bernstein's Inequality / 2.3.8: |
One-Sided Fourier Integral Representation / 2.3.9: |
Fourier Cosine Transform / 2.3.9.1: |
Fourier Sine Transform / 2.3.9.2: |
Generalized h-Transform / 2.3.9.3: |
L[superscript 2] Theory in R[superscript n] / 2.4: |
Plancherel's Theorem / 2.4.1: |
Bernstein's Theorem for Fourier Transforms / 2.4.2: |
The Uncertainty Principle / 2.4.3: |
Uncertainty Principle on the Circle / 2.4.3.1: |
Spectral Analysis of the Fourier Transform / 2.4.4: |
Hermite Polynomials / 2.4.4.1: |
Eigenfunction of the Fourier Transform / 2.4.4.2: |
Orthogonality Properties / 2.4.4.3: |
Completeness / 2.4.4.4: |
Spherical Fourier Inversion in R[superscript n] / 2.5: |
Bochner's Approach / 2.5.1: |
Piecewise Smooth Viewpoint / 2.5.2: |
Relations with the Wave Equation / 2.5.3: |
The Method of Brandolini and Colzani / 2.5.3.1: |
Bochner-Riesz Summability / 2.5.4: |
A General Theorem on Almost-Everywhere Summability / 2.5.4.1: |
Bessel Functions / 2.6: |
Fourier Transforms of Radial Functions / 2.6.1: |
L[superscript 2]-Restriction Theorems for the Fourier Transform / 2.6.2: |
An Improved Result / 2.6.2.1: |
Limitations on the Range of p / 2.6.2.2: |
The Method of Stationary Phase / 2.7: |
Statement of the Result / 2.7.1: |
Proof of the Method of Stationary Phase / 2.7.2: |
Abel's Lemma / 2.7.4: |
Fourier Analysis in L[superscript p] Spaces / 3: |
The M. Riesz-Thorin Interpolation Theorem / 3.1: |
Generalized Young's Inequality / 3.2.0.1: |
The Hausdorff-Young Inequality / 3.2.0.2: |
Stein's Complex Interpolation Theorem / 3.2.1: |
The Conjugate Function or Discrete Hilbert Transform / 3.3: |
L[superscript p] Theory of the Conjugate Function / 3.3.1: |
L[superscript 1] Theory of the Conjugate Function / 3.3.2: |
Identification as a Singular Integral / 3.3.2.1: |
The Hilbert Transform on R / 3.4: |
L[superscript 2] Theory of the Hilbert Transform / 3.4.1: |
L[superscript p] Theory of the Hilbert Transform, 1 [ p [ [infinity] / 3.4.2: |
Applications to Convergence of Fourier Integrals / 3.4.2.1: |
L[superscript 1] Theory of the Hilbert Transform and Extensions / 3.4.3: |
Kolmogorov's Inequality for the Hilbert Transform / 3.4.3.1: |
Application to Singular Integrals with Odd Kernels / 3.4.4: |
Hardy-Littlewood Maximal Function / 3.5: |
Application to the Lebesgue Differentiation Theorem / 3.5.1: |
Application to Radial Convolution Operators / 3.5.2: |
Maximal Inequalities for Spherical Averages / 3.5.3: |
The Marcinkiewicz Interpolation Theorem / 3.6: |
Calderon-Zygmund Decomposition / 3.7: |
A Class of Singular Integrals / 3.8: |
Properties of Harmonic Functions / 3.9: |
General Properties / 3.9.1: |
Representation Theorems in the Disk / 3.9.2: |
Representation Theorems in the Upper Half-Plane / 3.9.3: |
Herglotz/Bochner Theorems and Positive Definite Functions / 3.9.4: |
Poisson Summation Formula And Multiple Fourier Series / 4: |
The Poisson Summation Formula in R[superscript 1] / 4.1: |
Periodization of a Function / 4.2.1: |
Statement and Proof / 4.2.2: |
Shannon Sampling / 4.2.3: |
Multiple Fourier Series / 4.3: |
Basic L[superscript 1] Theory / 4.3.1: |
Pointwise Convergence for Smooth Functions / 4.3.1.1: |
Representation of Spherical Partial Sums / 4.3.1.2: |
Basic L[superscript 2] Theory / 4.3.2: |
Restriction Theorems for Fourier Coefficients / 4.3.3: |
Poisson Summation Formula in R[superscript d] / 4.4: |
Simultaneous Nonlocalization / 4.4.1: |
Application to Lattice Points / 4.5: |
Kendall's Mean Square Error / 4.5.1: |
Landau's Asymptotic Formula / 4.5.2: |
Application to Multiple Fourier Series / 4.5.3: |
Three-Dimensional Case / 4.5.3.1: |
Higher-Dimensional Case / 4.5.3.2: |
Schrodinger Equation and Gauss Sums / 4.6: |
Distributions on the Circle / 4.6.1: |
The Schrodinger Equation on the Circle / 4.6.2: |
Recurrence of Random Walk / 4.7: |
Applications to Probability Theory / 5: |
Basic Definitions / 5.1: |
The Central Limit Theorem / 5.2.1: |
Restatement in Terms of Independent Random Variables / 5.2.1.1: |
Extension to Gap Series / 5.3: |
Extension to Abel Sums / 5.3.1: |
Weak Convergence of Measures / 5.4: |
An Improved Continuity Theorem / 5.4.1: |
Another Proof of Bochner's Theorem / 5.4.1.1: |
Convolution Semigroups / 5.5: |
The Berry-Esseen Theorem / 5.6: |
Extension to Different Distributions / 5.6.1: |
The Law of the Iterated Logarithm / 5.7: |
Introduction to Wavelets / 6: |
Heuristic Treatment of the Wavelet Transform / 6.1: |
Wavelet Transform / 6.2: |
Wavelet Characterization of Smoothness / 6.2.0.1: |
Haar Wavelet Expansion / 6.3: |
Haar Functions and Haar Series / 6.3.1: |
Haar Sums and Dyadic Projections / 6.3.2: |
Completeness of the Haar Functions / 6.3.3: |
Haar Series in C[subscript 0] and L[subscript p] Spaces / 6.3.3.1: |
Pointwise Convergence of Haar Series / 6.3.3.2: |
Construction of Standard Brownian Motion / 6.3.4: |
Haar Function Representation of Brownian Motion / 6.3.5: |
Proof of Continuity / 6.3.6: |
Levy's Modulus of Continuity / 6.3.7: |
Multiresolution Analysis / 6.4: |
Orthonormal Systems and Riesz Systems / 6.4.1: |
Scaling Equations and Structure Constants / 6.4.2: |
From Scaling Function to MRA / 6.4.3: |
Additional Remarks / 6.4.3.1: |
Meyer Wavelets / 6.4.4: |
From Scaling Function to Orthonormal Wavelet / 6.4.5: |
Direct Proof that V[subscript 1] [minus sign in circle] V[subscript 0] Is Spanned by {[Psi](t - k)}[subscript k[set membership]Z] / 6.4.5.1: |
Null Integrability of Wavelets Without Scaling Functions / 6.4.5.2: |
Wavelets with Compact Support / 6.5: |
From Scaling Filter to Scaling Function / 6.5.1: |
Explicit Construction of Compact Wavelets / 6.5.2: |
Daubechies Recipe / 6.5.2.1: |
Hernandez-Weiss Recipe / 6.5.2.2: |
Smoothness of Wavelets / 6.5.3: |
A Negative Result / 6.5.3.1: |
Cohen's Extension of Theorem 6.5.1 / 6.5.4: |
Convergence Properties of Wavelet Expansions / 6.6: |
Wavelet Series in L[superscript p] Spaces / 6.6.1: |
Large Scale Analysis / 6.6.1.1: |
Almost-Everywhere Convergence / 6.6.1.2: |
Convergence at a Preassigned Point / 6.6.1.3: |
Jackson and Bernstein Approximation Theorems / 6.6.2: |
Wavelets in Several Variables / 6.7: |
Two Important Examples / 6.7.1: |
Tensor Product of Wavelets / 6.7.1.1: |
General Formulation of MRA and Wavelets in R[superscript d] / 6.7.2: |
Notations for Subgroups and Cosets / 6.7.2.1: |
Riesz Systems and Orthonormal Systems in R[superscript d] / 6.7.2.2: |
Scaling Equation and Structure Constants / 6.7.2.3: |
Existence of the Wavelet Set / 6.7.2.4: |
Proof That the Wavelet Set Spans V[subscript 1] [minus sign in circle] V[subscript 0] / 6.7.2.5: |
Cohen's Theorem in R[superscript d] / 6.7.2.6: |
Examples of Wavelets in R[superscript d] / 6.7.3: |
References |
Notations |
Index |