Abstract
We investigate trace formulas for Jacobi operators which are trace class perturbations of quasi-periodic finite-gap operators using Krein’s spectral shift theory. In particular we establish the conserved quantities for the solutions of the Toda hierarchy in this class.
Work supported by the Austrian Science Fund (FWF) under Grant No. P17762.
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Michor, J., Teschl, G. (2007). Trace Formulas for Jacobi Operators in Connection with Scattering Theory for Quasi-Periodic Background. In: Janas, J., Kurasov, P., Laptev, A., Naboko, S., Stolz, G. (eds) Operator Theory, Analysis and Mathematical Physics. Operator Theory: Advances and Applications, vol 174. Birkhäuser Basel. https://doi.org/10.1007/978-3-7643-8135-6_6
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DOI: https://doi.org/10.1007/978-3-7643-8135-6_6
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