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Extended Toda Lattice |
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| Authors: | Carlet G |
| Institution: | (1) SISSA, Via Beirut 2-4, 34014 Trieste, Italy |
| Abstract: | We introduce nonlocal flows that commute with those of the classical Toda hierarchy. We define a logarithm of the difference Lax operator and use it to obtain a Lax representation of the new flows. |
| Keywords: | Toda lattice logarithm of a difference operator Lax representation bi-Hamiltonian formalism |
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