Abstract
The method of nonlinearization of spectral problems has been generalized in various directions and has been applied successfully to many nonlinear partial differential equations. In this paper, a new kind of finite-dimensional completely integrable system related to a second-order spectral problem and the constrained flow of an evolution equations are generated. According to the viewpoint of Hamiltonian mechanics, a reasonable Jacobi-Ostrogradsky coordinate is obtained, and the Lax pairs are nonlinearized. By means of the constrained condition between the potential and the eigenfunctions, the involutive solutions of the evolution equations are given. Moreover, the completely integrability of this system is discussed.
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Liu, W., Sun, Hz., Feng, S. (2011). Relation between a Second-Order Spectral Problem and the Confocal Involutive System. In: Liu, C., Chang, J., Yang, A. (eds) Information Computing and Applications. ICICA 2011. Communications in Computer and Information Science, vol 244. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27452-7_86
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DOI: https://doi.org/10.1007/978-3-642-27452-7_86
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