A Characterization of Discrete Time Soliton Equations
Satoru Saito, Noriko Saitoh, Jun-ichi Yamamoto, Katsuhiko Yoshida
Abstract
We propose a method to characterize discrete time evolution equations, which generalize discrete time soliton equations, including the q-difference Painlevé IV equations discussed recently by Kajiwara, Noumi and Yamada.
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