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Journal of the American Mathematical Society

Published by the American Mathematical Society, the Journal of the American Mathematical Society (JAMS) is devoted to research articles of the highest quality in all areas of mathematics.

ISSN 1088-6834 (online) ISSN 0894-0347 (print)

The 2020 MCQ for Journal of the American Mathematical Society is 4.83.

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Dynamical degrees of birational transformations of projective surfaces
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by Jérémy Blanc and Serge Cantat
J. Amer. Math. Soc. 29 (2016), 415-471
DOI: https://doi.org/10.1090/jams831
Published electronically: June 3, 2015

Abstract:

The dynamical degree $\lambda (f)$ of a birational transformation $f$ measures the exponential growth rate of the degree of the formulas that define the $n$th iterate of $f$. We study the set of all dynamical degrees of all birational transformations of projective surfaces, and the relationship between the value of $\lambda (f)$ and the structure of the conjugacy class of $f$. For instance, the set of all dynamical degrees of birational transformations of the complex projective plane is a closed and well ordered set of algebraic numbers.
References
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Bibliographic Information
  • Jérémy Blanc
  • Affiliation: Mathematisches Institut, Universität Basel, Spiegelgasse 1, 4051 Basel, Switzerland
  • MR Author ID: 744287
  • Email: Jeremy.Blanc@unibas.ch
  • Serge Cantat
  • Affiliation: IRMAR, UMR 6625 du CNRS, Université de Rennes I, 35042 Rennes, France
  • MR Author ID: 614455
  • Email: cantat@univ-rennes1.fr
  • Received by editor(s): July 1, 2013
  • Received by editor(s) in revised form: February 24, 2015
  • Published electronically: June 3, 2015
  • Additional Notes: The first author acknowledges support by the Swiss National Science Foundation Grant “Birational Geometry” PP00P2_128422 /1.
    Both authors acknowledge support by the French National Research Agency Grant “BirPol,” ANR-11-JS01-004-01
  • © Copyright 2015 American Mathematical Society
  • Journal: J. Amer. Math. Soc. 29 (2016), 415-471
  • MSC (2010): Primary 14E07; Secondary 37F10, 32H50
  • DOI: https://doi.org/10.1090/jams831
  • MathSciNet review: 3454379