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Shafarevich Seminar
October 13, 2015 15:00, Moscow, Steklov Mathematical Institute, room 540 (Gubkina 8)
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Dynamical degrees of rational transformations
S. Cantat |
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Abstract:
Consider a rational transformation $f$ of a projective variety $M$, and iterate $f$ to get a sequence of rational transformations $f^n$ The dynamical degree of $f$ is a positive real number that describes the exponential growth rate of the sequence $\deg(f^n)$, where the $\deg(f^n)$ is the degree of the formulae defining $f^n$. I shall describe properties of these numbers, and list a few open problems.
Language: English
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