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Math 567: Notes
Lecture Notes
- I. Linear Waves and Dispersion
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Jan. 5: linear `wave' equations and dispersion relations
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Jan. 10: solution by Fourier transform
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Jan. 12: dispersion and group velocity
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Jan. 17: measuring dispersion: decay estimates
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Jan. 19: measuring dispersion: space-time estimates
- II. Nonlinear Dispersive PDE: Examples, Structure, Well-Posedness
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Jan. 31: the water wave problem: shallow water, Boussinesq, and KdV
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Feb. 2: origins of the nonlinear Schroedinger equation
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Feb. 7: local existence theory (classical solutions)
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Feb. 9: local existence theory (rougher solutions)
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Feb. 14: Hamiltonian systems, symmetries, conservation laws: ODEs
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Feb. 16: Hamiltonian systems, symmetries, conservation laws: PDEs
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Feb. 28: Scaling and criticality
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Mar. 2: Global existence
- III. Nonlinear Dispersive PDE: Qualitative Behaviour
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Mar. 7: Nonlinear scattering theory: small-data scattering
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Mar. 9: Nonlinear scattering theory: remarks on large-data scattering
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Mar. 14: Solitary waves: existence
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Mar. 16: Solitary waves: stability
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Mar. 21: Finite-time blow-up
- IV. Introduction to Well-Posedness for Critical-Scaling PDE
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