Local Well-posedness and Persistence Property for the Generalized Novikov Equation
2013
In this paper, we study the generalized Novikov equation which describes
the motion of shallow water waves. By using the Littlewood-Paley
decomposition and nonhomogeneous Besov spaces, we prove that the Cauchy
problem for the generalized Novikov equation is locally well-posed
in Besov space $B_{p,r}^{s}$ with $1\leq p, r\leq +\infty$ and
$s>{\rm max}\{1+\frac{1}{p},\frac{3}{2}\}$. We also show
the persistence property of the strong solutions which implies that
the solution decays at infinity in the spatial
variable provided that the initial function does.
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