Extended Discrete KP Hierarchy and its Reductions from a Geometric Viewpoint |
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Authors: | Svinin Andrei K. |
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Affiliation: | (1) Institute of System Dynamics and Control Theory, Siberian Branch of Russian Academy of Sciences, PO Box 1233, 664033 Irkutsk, Russia |
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Abstract: | We interpret the recently suggested extended discrete KP (Toda lattice) hierarchy from a geometrical point of view. We show that the latter corresponds to the union of invariant submanifolds S0n of the system which is a chain of infinitely many copies of Darboux–KP hierarchy, while the intersections yields a number of reduction s to l-field lattices. |
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Keywords: | discrete KP hierarchy invariant submanifold |
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