DYNAMIQUE DES APPLICATIONS RATIONNELLES DES

DYNAMIQUE DES APPLICATIONS RATIONNELLES DES
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动态应用程序原理

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发表时间:
2007
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通讯作者:
Vincent Guedj
Vincent Guedj
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作者:
Vincent Guedj

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通过在多投射空间P1 × · ··×Ps中紧化C的有理映射f,研究了其动力学性质.我们专注于曲面P × P的映射。我们遵循[Si 99]的方法,并将任何代数稳定的f关联到不变的正闭(1,1)流。然后,我们考虑存在的f不变的措施,使用理论的pluripotential电流,并将其与措施的Russakovskiiii-Shiffman描述分布的原像的点。我们的观点使我们能够对待新的例子类:我们认为特别是多项式斜产品与不同程度的,和双有理多项式映射的C。我们还描述了C的单项式映射和双有理映射的f不变流的紧凸集。
We study the dynamics of rational mappings f of C by compactifying them in multiprojective spaces P1 × · · ·×Ps . We focus on maps of the surface P × P. We follow the approach of [Si 99] and associates to any algebraically stable f an invariant positive closed (1, 1) current. We then consider the existence of an f invariant measure using the theory of pluripositive currents, and relates it to the measure of Russsakovskii-Shiffman describing the distribution of preimages of points. Our point of view enables us to treat new classes of examples: we consider in particular polynomial skew products with varying degrees, and birational polynomial mappings of C. We also describe the compact convex set of f invariant currents for monomial and birational maps of C.