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Integrable maps which preserve functions with symmetries

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Discrete Integrable Systems

We consider maps which preserve functions which are built out of the invariants of some simple vector fields. We give a reduction procedure, which can be used to derive commuting maps of the plane, which preserve the same symplectic form and first integral. We show how our method can be applied to some maps which have recently appeared in the context of Yang-Baxter maps. Based on the paper: A.P. Fordy, P. Kassotakis, Integrable Maps which Preserve Functions with Symmetries, J Phys A: v46, 205201 (2013)

This talk is part of the Isaac Newton Institute Seminar Series series.

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