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Banach Gelfand Triples for Gabor Analysis | |
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Introduction | |
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Preliminaries | |
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Gabor Analysis on L[superscript 2] | |
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Time-Frequency Representations | |
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The Gelfand Triple (S[subscript 0], L[superscript 2], S[subscript 0]' (R[superscript d]) | |
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The Spreading Function and Pseudo-Differential Operators | |
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Gabor Multipliers | |
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References | |
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Four Lectures in Semiclassical Analysis for Non Self-Adjoint Problems with Applications to Hydrodynamic Instability | |
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General Introduction | |
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Lecture 1: The Rayleigh-Taylor Model | |
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The Rayleigh-Taylor Model: Physical Origin | |
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Rayleigh-Taylor Mathematically | |
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Elementary Spectral Theory | |
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A Crash Course on h-Pseudodifferential Operators | |
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Application for Rayleigh-Taylor: Semi-Classical Analysis for K(h) | |
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Harmonic Approximation | |
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Instability of Rayleigh-Taylor: An Elementary Approach via WKB Constructions | |
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Lecture 2: Towards Non Self-Adjoint Models | |
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Instability for Kelvin-Helmholtz I: Physical Origin | |
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Around the [epsilon]-Pseudo-Spectrum | |
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Around the h-Family-Pseudospectrum | |
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The Davies Example by Hand | |
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Kelvin-Helmholtz II: Mathematical Analysis | |
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Other Toy Models | |
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Lecture 3: On Semi-Classical Subellipticity | |
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Introduction | |
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Non Subellipticity: Generic Result | |
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Link with the Standard Non-Hypoellipticity Results for Operators of Principal Type | |
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Elementary Proof for the Non-Subelliptic Model | |
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1/2 Semi-Classical Subellipticity | |
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Lecture 4: Other Non Self-Adjoint Models Coming from Hydrodynamics | |
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Introduction | |
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Quasi-Isobaric Model (Kull and Anisimov) | |
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Stationary Laminar Solution | |
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From the Physical Parameters to the Relevant Mathematical Parameters | |
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The Convection Velocity Model | |
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The Model for the Ablation Regime | |
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Semi-Classical Regimes for the Ablation Models | |
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Subellipticity II: At the Boundary of [Sigma](a[subscript 0]) | |
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References | |
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An Introduction to Numerical Methods of Pseudodifferential Operators | |
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Signal Processing and Pseudodifferential Operators | |
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Introduction to Seismic Imaging | |
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Introduction to Pseudodifferential Operators | |
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A Jump in Dimension | |
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Boundedness of the Operators | |
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Manipulating Pseudodifferential Operators | |
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Composition of Operators | |
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Asymptotic Series | |
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Oscillatory Integrals | |
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Other Pseudo-Topics | |
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Numerical Implementations | |
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Sampling and Quantization Error in Signal Processing | |
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The Discrete Fourier Transform and Periodization Errors | |
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Direct Numerical Implementation via the DFT | |
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Operations Count | |
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Numerical Implementation via Product-Convolution Operators | |
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Almost Diagonalization via Wavelet and Gabor Bases | |
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Gabor Multipliers | |
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Short Time Fourier Transforms and Their Multipliers | |
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Gabor Transforms and Gabor Multipliers | |
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Gabor Transforms in Practice | |
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Sampled Space | |
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Sampling in the Frequency Domain | |
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Partitions of Unity and Frequency Subsampling | |
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Uniform POUs | |
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Seismic Imaging | |
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Wavefield Extrapolation | |
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References | |
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Some Facts About the Wick Calculus | |
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Elementary Fourier Analysis via Wave Packets | |
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The Fourier Transform of Gaussian Functions | |
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Wave Packets and the Poisson Summation Formula | |
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Toeplitz Operators | |
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On the Weyl Calculus of Pseudodifferential Operators | |
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A Few Classical Facts | |
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Symplectic Invariance | |
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Composition Formulas | |
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Definition and First Properties of the Wick Quantization | |
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Definitions | |
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The Garding Inequality with Gain of One Derivative | |
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Variations | |
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Energy Estimates via the Wick Quantization | |
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Subelliptic Operators Satisfying Condition (P) | |
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Polynomial Behaviour of Some Functions | |
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Energy Identities | |
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The Fefferman-Phong Inequality | |
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The Semi-Classical Inequality | |
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The Sjostrand Algebra | |
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Composition Formulas | |
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Sketching the Proof | |
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A Final Comment | |
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Appendix | |
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Cotlar's Lemma | |
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References | |
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Schatten Properties for Pseudo-Differential Operators on Modulation Spaces | |
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Introduction | |
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Preliminaries | |
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Schatten-Von Neumann Classes for Operators Acting on Hilbert Spaces | |
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Schatten-Von Neumann Classes for Operators Acting on Modulation Spaces | |
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Continuity and Schatten-Von Neumann Properties for Pseudo-Differential Operators | |
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References | |
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List of Participants | |