On Darboux-Bäcklund Transformations for the Q-Deformed Korteweg-de Vries Hierarchy

Details On Darboux-Bäcklund Transformations for the Q-Deformed Korteweg-de Vries Hierarchy On Darboux-Bäcklund Transformations for the Q-Deformed Korteweg-de Vries Hierarchy

1998-11-06

arxiv.org/abs/solv-int/9811004v1

Lett. Math. Phys., 49(1): 33-45, July 1999

Nonlinear Sciences

Exactly Solvable and Integrable Systems

12 pages, Revtex, no figures

Scientific paper

We study Darboux-B\"acklund transformations (DBTs) for the $q$-deformed Korteweg-de Vries hierarchy by using the $q$-deformed pseudodifferential operators. We identify the elementary DBTs which are triggered by the gauge operators constructed from the (adjoint) wave functions of the hierarchy. Iterating these elementary DBTs we obtain not only $q$-deformed Wronskian-type but also binary-type representations of the tau-function to the hierarchy.

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