Seminar
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| Location: | MSRI: Simons Auditorium |
After a brief review of full justification of model equations, we present an application of model justification to the long-time
well-posedness of the cubic "hyperbolic" NLS equation, in which the Laplacian is replaced by an indefinite second order operator-- and for which the long-time existence remains open for large data due to the absence of a coercive Hamiltonian.