The Three-Wave Resonant Interaction Equations: Spectral and Numerical Methods
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- Degasperis, A., Conforti, M., Baronio, F. et al. Lett Math Phys (2011) 96: 367. doi:10.1007/s11005-010-0430-4
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The spectral theory of the integrable partial differential equations which model the resonant interaction of three waves is considered with the purpose of numerically solving the direct spectral problem for both vanishing and non vanishing boundary values. Methods of computing both the continuum spectrum data and the discrete spectrum eigenvalues are given together with examples of such computations. The explicit spectral representation of the Manley-Rowe invariants is also displayed.