seminar: The perfectly matched operators of Berenger

speaker: Jeffrey Rauch (Michigan University)

abstract: For the numerical computation of electromagnetic waves in unbounded domains Berenger introduced, in the early nineties, the method of perfectly matched layers. The computational domain is surrounded by a layer in which a new and absorbing differential equation is satisfied. The astonishing feature is the complete absence of reflections from the interface. The new differential equation is hyperbolic but only weakly hyperbolic. The proof of perfection is recent work with L. Halpern and S. Petit.

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