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Preface | |
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What are Distributions? | |
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Generalized functions and test functions | |
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Examples of distributions | |
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What good are distributions? | |
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Problems | |
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The Calculus of Distributions | |
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Functions as distributions | |
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Operations on distributions | |
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Adjoint identities | |
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Consistency of derivatives | |
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Distributional solutions of differential equations | |
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Problems | |
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Fourier Transforms | |
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From Fourier series to Fourier integrals | |
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The Schwartz class S | |
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Properties of the Fourier transform on S | |
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The Fourier inversion formula on S | |
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The Fourier transform of a Gaussian | |
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Problems | |
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Fourier Transforms of Tempered Distributions | |
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The definitions | |
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Examples | |
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Convolutions with tempered distributions | |
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Problems | |
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Solving Partial Differential Equations | |
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The Laplace equation | |
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The heat equation | |
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The wave equation | |
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Schrodinger's equation and quantum mechanics | |
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Problems | |
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The Structure of Distributions | |
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The support of a distribution | |
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Structure theorems | |
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Distributions with point support | |
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Positive distributions | |
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Continuity of distribution | |
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Approximation by test functions | |
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Local theory of distributions | |
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Distributions on spheres | |
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Problems | |
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Fourier Analysis | |
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The Riemann-Lebesgue lemma | |
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Paley-Wiener theorems | |
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The Poisson summation formula | |
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Probability measures and positive definite functions | |
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The Heisenberg uncertainty principle | |
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Hermite functions | |
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Radial Fourier transforms and Bessel functions | |
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Haar functions and wavelets | |
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Problems | |
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Sobolev Theory and Microlocal Analysis | |
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Sobolev inequalities | |
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Sobolev spaces | |
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Elliptic partial differential equations (constant coefficients) | |
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Pseudodifferential operators | |
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Hyperbolic operators | |
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The wave front set | |
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Microlocal analysis of singularities | |
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Problems | |
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Suggestions for Further Reading | |
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Index | |