Articles with "lattice hierarchy" as a keyword



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An Ablowitz-Ladik Integrable Lattice Hierarchy with Multiple Potentials

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Published in 2020 at "Acta Mathematica Scientia"

DOI: 10.1007/s10473-020-0306-3

Abstract: Within the zero curvature formulation, a hierarchy of integrable lattice equations is constructed from an arbitrary-order matrix discrete spectral problem of Ablowitz-Ladik type. The existence of infinitely many symmetries and conserved functionals is a consequence… read more here.

Keywords: ablowitz ladik; ladik integrable; lattice hierarchy; integrable lattice ... See more keywords
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A new lattice hierarchy: Hamiltonian structures, symplectic map and N-fold Darboux transformation

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Published in 2019 at "Applied Mathematical Modelling"

DOI: 10.1016/j.apm.2018.10.030

Abstract: Abstract A new lattice hierarchy is constructed from a discrete matrix spectral problem. By the Tu scheme technique, the associated Hamiltonian structures and infinitely many conservation laws of this hierarchy are derived. Then a symplectic… read more here.

Keywords: symplectic map; lattice hierarchy; new lattice; darboux transformation ... See more keywords
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Toda lattice hierarchy and trigonometric Ruijsenaars–Schneider hierarchy

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Published in 2019 at "Journal of Physics A: Mathematical and Theoretical"

DOI: 10.1088/1751-8121/ab520c

Abstract: We consider solutions of the 2D Toda lattice hierarchy which are trigonometric functions of the ``zeroth'' time $t_0=x$. It is known that their poles move as particles of the trigonometric Ruijsenaars-Schneider model. We extend this… read more here.

Keywords: toda lattice; lattice hierarchy; hierarchy trigonometric; ruijsenaars schneider ... See more keywords
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On a Toda lattice hierarchy: Lax pair, integrable symplectic map and algebraic–geometric solution

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Published in 2018 at "Modern Physics Letters B"

DOI: 10.1142/s021798491850344x

Abstract: A Toda lattice hierarchy is studied by introducing a new spectral problem which is a discrete counterpart of the generalized Kaup–Newell spectral problem. Based on the Lenard recursion equation, La... read more here.

Keywords: toda lattice; hierarchy lax; lax pair; pair integrable ... See more keywords