THE MARKED LENGTH SPECTRUM OF A PROJECTIVE MANIFOLD OR ORBIFOLD

THE MARKED LENGTH SPECTRUM OF A PROJECTIVE MANIFOLD OR ORBIFOLD
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投影流形或轨道的标记长度谱

DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
K. Delp
K. Delp
中科院分区:
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文献类型:
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作者:
D. Cooper;K. Delp

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严格凸实射影轨道具有自然的芬斯勒度规,称为希尔伯特度规。在投影结构是双曲的情况下,希尔伯特度规和双曲度规重合。证明了标记的希尔伯特长度谱仅在射影对偶范围内决定了射影结构。一个推论是等谱的非等距微分同构严格凸投影流形(和轨道)的存在性。这个推论来自于Goldman, Choi和Benoist的研究。
A strictly convex real projective orbifold is equipped with a natural Finsler metric called a Hilbert metric. In the case that the projective structure is hyperbolic, the Hilbert metric and the hyperbolic metric coincide. We prove that the marked Hilbert length spectrum determines the projective structure only up to projective duality. A corollary is the existence of non-isometric diffeomorphic strictly convex projective manifolds (and orbifolds) that are isospectral. This corollary follows from work of Goldman and Choi, and Benoist.
双曲群和 CAT(0) 群的 Borel 猜想
DOI: 10.4007/annals.2012.175.2.5
发表时间: 2012
期刊: arXiv: Geometric Topology
影响因子: --
作者:
Arthur Bartels;Wolfgang Lück
通讯作者: Wolfgang Lück