Thursday, January 10, 2013

1301.1927 (Allan P Fordy et al.)

Integrable Maps which Preserve Functions with Symmetries    [PDF]

Allan P Fordy, Pavlos Kassotakis
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.
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