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Preface | p. vii |
Oscillations over long times in numerical Hamiltonian systems | p. 1 |
Introduction | p. 1 |
Backward error analysis | p. 3 |
Modulated Fourier expansion | p. 7 |
Nonlinear wave equation | p. 16 |
Linear multistep methods | p. 19 |
Highly oscillatory quadrature | p. 25 |
Introduction | p. 25 |
Asymptotics | p. 28 |
Filon method | p. 33 |
Levin collocation method | p. 39 |
Steepest descent methods | p. 43 |
Other methods | p. 46 |
Rapid function approximation by modified Fourier series | p. 51 |
Introduction | p. 51 |
Univariate approximation | p. 53 |
Polyharmonic approximation | p. 60 |
Multivariate approximation | p. 62 |
Convergence acceleration | p. 66 |
Concluding remarks | p. 69 |
Approximation of high frequency wave propagation problems | p. 72 |
Introduction | p. 72 |
Geometrical optics | p. 74 |
Geometrical theory of diffraction | p. 82 |
Wavelet-based numerical homogenization | p. 98 |
Introduction | p. 98 |
Projection generated homogenization | p. 103 |
Wavelet-based numerical homogenization | p. 105 |
Numerical examples | p. 115 |
Plane wave methods for approximating the time harmonic wave equation | p. 127 |
Introduction | p. 127 |
Derivation of the UWVF | p. 131 |
Discretization of the UWVF | p. 135 |
Analysis of the UWVF | p. 138 |
Numerical implementation and results for the UWVF | p. 141 |
Conclusion | p. 149 |
Boundary integral methods in high frequency scattering | p. 154 |
Introduction | p. 154 |
Hybrid approximation spaces | p. 160 |
Stability and conditioning | p. 176 |
Implementation | p. 187 |
Novel analytical and numerical methods for elliptic boundary value problems | p. 194 |
Introduction | p. 194 |
The derivations of integral representations | p. 200 |
The elimination of the unknown boundary values using algebraic manipulations | p. 205 |
Formulation of Riemann-Hilbert problems | p. 223 |
A new numerical method | p. 226 |
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