Geodesic
Extended Toda Lattice
Teoretičeskaâ i matematičeskaâ fizika, Tome 137 (2003) no. 1, pp. 40-46 Cet article a éte moissonné depuis la source Math-Net.Ru

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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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G. Carlet. Extended Toda Lattice. Teoretičeskaâ i matematičeskaâ fizika, Tome 137 (2003) no. 1, pp. 40-46. http://geodesic.mathdoc.fr/item/TMF_2003_137_1_a4/

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