A Combinatorial Classification of Postsingularly Finite Complex Exponential Maps

A Combinatorial Classification of Postsingularly Finite Complex Exponential Maps
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后奇异有限复指数图的组合分类

DOI:
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发表时间:
2006
期刊:
影响因子:
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通讯作者:
V. Vicol
V. Vicol
中科院分区:
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文献类型:
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作者:
Bastian Laubner;D. Schleicher;V. Vicol

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我们给出后奇异有限的组合分类 从外部地址开始的指数映射 条目 $0$。这扩展了关键的分类结果 前周期多项式 [2] 到指数映射。我们的证明依赖于 后奇异有限的拓扑表征 最近在[14]中给出了指数图。这些结果说明 组合学、拓扑学之间再次富有成效的相互作用 和复杂的结构,通常在复杂的情况下取得成功 动力学。
We give a combinatorial classification of postsingularly finite exponential maps in terms of external addresses starting with the entry $0$. This extends the classification results for critically preperiodic polynomials [2] to exponential maps. Our proof relies on the topological characterization of postsingularly finite exponential maps given recently in [14]. These results illustrate once again the fruitful interplay between combinatorics, topology and complex structure which has often been successful in complex dynamics.