Lie symmetries of birational maps preserving genus 0 fibrations

We prove that any planar birational integrable map, which preserves a fibration given by genus 0 curves has a Lie symmetry and some associated invariant measures. The obtained results allow to study in a systematic way the global dynamics of these maps. Using this approach, the dynamics of several m...

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Veröffentlicht in:Journal of mathematical analysis and applications Jg. 432; H. 1; S. 531 - 549
Hauptverfasser: Llorens, Mireia, Mañosa, Víctor
Format: Journal Article Verlag
Sprache:Englisch
Veröffentlicht: Elsevier Inc 01.12.2015
Schlagworte:
ISSN:0022-247X, 1096-0813
Online-Zugang:Volltext
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Zusammenfassung:We prove that any planar birational integrable map, which preserves a fibration given by genus 0 curves has a Lie symmetry and some associated invariant measures. The obtained results allow to study in a systematic way the global dynamics of these maps. Using this approach, the dynamics of several maps is described. In particular we are able to give, for particular examples, the explicit expression of the rotation number function, and the set of periods of the considered maps.
ISSN:0022-247X
1096-0813
DOI:10.1016/j.jmaa.2015.06.069