2005•International Journal of Modern Physics BRequires access
INTEGRABLE EXPANDING MODELS FOR DISCRETE SYSTEMS APPLICATION: COUPLED TODA AND RELATIVISTIC TODA LATTICE
Hongxiang Yang, Xi-Xiang Xu
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Abstract
A direct method for constructing integrable expanding models for lattice soliton hierarchies is developed through enlarging associated Lax pairs. As illustrated by examples, the integrable expanding models for Toda and relativistic Toda lattice hierarchies are investigated.