The Lax integrable differential-difference dynamical systems on extended phase spaces.
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The spectral matrices of Toda solitons and the fundamental solution of some discrete heat equations
Luc Haine (2005)
Annales de l’institut Fourier
The Stieltjes spectral matrix measure of the doubly infinite Jacobi matrix associated with a Toda -soliton is computed, using Sato theory. The result is used to give an explicit expansion of the fundamental solution of some discrete heat equations, in a series of Jackson’s -Bessel functions. For Askey-Wilson type solitons, this expansion reduces to a finite sum.
Transformation operators for the perturbed Hill difference equation and one of their applications.
Khanmamedov, Ag.Kh. (2003)
Sibirskij Matematicheskij Zhurnal
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