{"title":"Generalised Manin transformations and QRT maps","authors":"Peter H. van der Kamp, D. McLaren, G. Quispel","doi":"10.3934/JCD.2021009","DOIUrl":null,"url":null,"abstract":"Manin transformations are maps of the plane that preserve a pencil of cubic curves. We generalise to maps that preserve quadratic, and certain quartic and higher degree pencils, and show they are measure preserving. The full 18-parameter QRT map is obtained as a special instance of the quartic case in a limit where two double base points go to infinity. On the other hand, each generalised Manin transformation can be brought into QRT-form by a fractional affine transformation. We also classify the generalised Manin transformations which admit a root.","PeriodicalId":37526,"journal":{"name":"Journal of Computational Dynamics","volume":"66 1","pages":""},"PeriodicalIF":1.0000,"publicationDate":"2018-06-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"10","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Computational Dynamics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.3934/JCD.2021009","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Engineering","Score":null,"Total":0}
引用次数: 10
Abstract
Manin transformations are maps of the plane that preserve a pencil of cubic curves. We generalise to maps that preserve quadratic, and certain quartic and higher degree pencils, and show they are measure preserving. The full 18-parameter QRT map is obtained as a special instance of the quartic case in a limit where two double base points go to infinity. On the other hand, each generalised Manin transformation can be brought into QRT-form by a fractional affine transformation. We also classify the generalised Manin transformations which admit a root.
期刊介绍：
JCD is focused on the intersection of computation with deterministic and stochastic dynamics. The mission of the journal is to publish papers that explore new computational methods for analyzing dynamic problems or use novel dynamical methods to improve computation. The subject matter of JCD includes both fundamental mathematical contributions and applications to problems from science and engineering. A non-exhaustive list of topics includes * Computation of phase-space structures and bifurcations * Multi-time-scale methods * Structure-preserving integration * Nonlinear and stochastic model reduction * Set-valued numerical techniques * Network and distributed dynamics JCD includes both original research and survey papers that give a detailed and illuminating treatment of an important area of current interest. The editorial board of JCD consists of world-leading researchers from mathematics, engineering, and science, all of whom are experts in both computational methods and the theory of dynamical systems.
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