On Global Finite Energy Solutions of the Camassa-Holm Equation |
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Authors: | Milena Stanislavova Atanas Stefanov |
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Affiliation: | (1) Department of Mathematics, University of Kansas, 1460 Jayhawk Blvd, Lawrence, KS 66045–7523, USA;(2) Department of Mathematics, University of Kansas, 405 Snow Hall 1460 Jayhawk Blvd, Lawrence, KS 66045-7567, USA |
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Abstract: | We consider the Camassa-Holm equation with data in the energy norm H1(R1). Global solutions are constructed by the small viscosity method for the frequency localized equations. The solutions are classical, unique and energy conservative. For finite band data, we show that global solutions for CH exist, satisfy the equation pointwise in time and satisfy the energy conservation law. We show that blow-up for higher Sobolev norms generally occurs in finite time and it might be of power type even for data in H3/2−. |
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