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Why people in hyperbolic conservation laws are interested in free boundary problems.

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If you have a question about this talk, please contact Mustapha Amrani .

Free Boundary Problems and Related Topics

In hyperbolic equations, wave propagate with finite velocity. When the equation is quasilinear, this velocity depends on the state itself; this non-constancy leads to the formation of shock waves. Shock waves are inherently free boundaries. I shall present illustrate basic concepts in one space dimension and discuss a little bit the multi-dimensional setting, where stability is encoded in a Lopatinskii condition. I’ll also show that in specific problems (steady or self-similar solutions), one is naturally led to deal with elliptic equations.

This talk is part of the Isaac Newton Institute Seminar Series series.

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https://cl-cam-ac-uk.zoom.us/j/4361570789?pwd=Nkl2T3ZLaTZwRm05bzRTOUUxY3Q4QT09&from=addon CRI Auditorium, Addenbrooke's Hospital, Cancer Research UK, Cambridge Research Institute, Li Ka Shing Centre Demonstration Room Museum of Zoology, Downing Street, Cambridge, CB2 3EJ

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