Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-10-21
Mirror Symmetry IV, AMS/IP. vol 33, 139-158 (2002)
Physics
High Energy Physics
High Energy Physics - Theory
23 pages, Latex
Scientific paper
We develop algebro-geometrical approach for the open Toda lattice. For a finite Jacobi matrix we introduce a singular reducible Riemann surface and associated Baker-Akhiezer functions. We provide new explicit solution of inverse spectral problem for a finite Jacoby matrix. For the Toda lattice equations we obtain the explicit form of the equations of motion, the symplectic structure and Darboux coordinates. We develop similar approach for 2D open Toda. Explaining some the machinery we also make contact with the periodic case.
Krichever Igor
Vaninsky K. L.
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