The initial value problem for a third order dispersive equation on the two-dimensional torus
Abstract
We present the necessary and sufficient condition for the L2-well-posedness of the initial problem for a third order linear dispersive equation on the two dimensional torus. Birkhoff's method of asymptotic solutions is used to prove the necessity. Some properties of a system for quadratic algebraic equations associated to the principal symbol play crucial role in proving the sufficiency.
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