Toda lattice hierarchy and conservation laws |
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Authors: | Takashi Takebe |
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Affiliation: | (1) Department of Mathematics, Faculty of Science, University of Tokyo, Hongo 7-3-1 Bunkyo-ku, 113 Tokyo, Japan |
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Abstract: | Time evolutions of the Toda lattice hierarchies of Ueno and Takasaki are induced by Hamiltonians which are conservation laws for the original (one and two dimensional) Toda lattice obtained by Olive and Turok. Moreover these Hamiltonians for two dimensional Toda lattice hierarchy are also conserved quantities of the two component KP hierarchy in which that system is embedded. The one dimensional Toda lattice hierarchy is characterized by the bilinear relations, and a new version of the one dimensional Toda lattice hierarchy is constructed. Generalized Toda lattice hierarchies associated to all affine Lie algebras are presented. |
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