A short proof of the bounded geodesic image theorem

A short proof of the bounded geodesic image theorem
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有界测地图像定理的简短证明

DOI:
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发表时间:
2013
期刊:
arXiv: Geometric Topology
影响因子:
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通讯作者:
Richard C. H. Webb
Richard C. H. Webb
中科院分区:
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文献类型:
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作者:
Richard C. H. Webb

文献摘要

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相似文献

利用曲线图的双曲性,给出了Masur和Minsky的有界测地线像定理的一个组合证明。最近的研究表明,曲线图是一致双曲的,从而可以给出测地像直径的一个泛界。我们还推广定理的投影标记的整个表面。
We give a combinatorial proof, using the hyperbolicity of the curve graphs, of the bounded geodesic image theorem of Masur and Minsky. Recently it has been shown that curve graphs are uniformly hyperbolic, thus a universal bound can be given for the diameter of the geodesic image. We also generalize the theorem for projections to markings of the whole surface.