Manin Involutions for Elliptic Pencils and Discrete Integrable Systems

Author:

Petrera Matteo,Suris Yuri B.ORCID,Wei Kangning,Zander René

Abstract

AbstractWe contribute to the algebraic-geometric study of discrete integrable systems generated by planar birational maps: (a) we find geometric description of Manin involutions for elliptic pencils consisting of curves of higher degree, birationally equivalent to cubic pencils (Halphen pencils of index 1), and (b) we characterize special geometry of base points ensuring that certain compositions of Manin involutions are integrable maps of low degree (quadratic Cremona maps). In particular, we identify some integrable Kahan discretizations as compositions of Manin involutions for elliptic pencils of higher degree.

Funder

Deutsche Forschungsgemeinschaft

Publisher

Springer Science and Business Media LLC

Subject

Geometry and Topology,Mathematical Physics

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1. A Three-Dimensional Generalization of QRT Maps;Journal of Nonlinear Science;2023-10-05

2. Involutions of Halphen Pencils of Index 2 and Discrete Integrable Systems;Mathematical Physics, Analysis and Geometry;2022-02-05

3. How One can Repair Non-integrable Kahan Discretizations. II. A Planar System with Invariant Curves of Degree 6;Mathematical Physics, Analysis and Geometry;2021-11-28

4. A New Class of Integrable Maps of the Plane: Manin Transformations with Involution Curves;Symmetry, Integrability and Geometry: Methods and Applications;2021-07-13

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