Nonlinear Sciences – Exactly Solvable and Integrable Systems
Scientific paper
2007-07-13
SIGMA 3 (2007), 080, 17 pages
Nonlinear Sciences
Exactly Solvable and Integrable Systems
This is a contribution to the Vadim Kuznetsov Memorial Issue on Integrable Systems and Related Topics, published in SIGMA (Sym
Scientific paper
10.3842/SIGMA.2007.080
We study an integrable case of n-particle Toda lattice: open chain with boundary terms containing 4 parameters. For this model we construct a B\"acklund transformation and prove its basic properties: canonicity, commutativity and spectrality. The B\"acklund transformation can be also viewed as a discretized time dynamics. Two Lax matrices are used: of order 2 and of order 2n+2, which are mutually dual, sharing the same spectral curve.
Kuznetsov Vadim
Sklyanin Evgeny
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