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20182021
most citedUsing discrete Darboux polynomials to detect and determine preserved measures and integrals of rational maps

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nlin.SI2018

Poisson structures for difference equations

Charalampos A. Evripidou, G. R. W. Quispel, John A. G. Roberts

We study the existence of log-canonical Poisson structures that are preserved by difference equations of special form. We also study the inverse problem, given a log-canonical Pois…