Higher laminations and affine buildings

Higher laminations and affine buildings
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更高的叠片和仿射建筑

DOI:
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发表时间:
2012
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影响因子:
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通讯作者:
Ian Le
Ian Le
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作者:
Ian Le

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我们给出了高阶Teichmuller空间上与曲面$S$、$G-SL_m$和$PGL_m$相关的半单群$G_$的类瑟斯顿定义。情形$G=SL_2$或$PGL_2$对应于经典的层合理论。我们的构造涉及仿射建筑中的点的正向构形。我们证明了这些叠层由Fock和Goncharov的空间$X_{G,S}$和$A_{G,S}$的热带点来参数化。最后,我们解释了这些叠片是如何给出高阶Teichmuller空间的紧化的。
We give a Thurston-like definition for laminations on higher Teichmuller spaces associated to a surface $S$ and a semi-simple group $G$ for $G-SL_m$ and $PGL_m$. The case $G=SL_2$ or $PGL_2$ corresponds to the classical theory of laminations. Our construction involves positive configurations of points in the affine building. We show that these laminations are parameterized by the tropical points of the spaces $\X_{G,S}$ and $\A_{G,S}$ of Fock and Goncharov. Finally, we explain how these laminations give a compactification of higher Teichmuller spaces.
DOI: 10.1007/s10240-014-0066-5
发表时间: 2015-06-01
影响因子: 6.2
作者:
Bridgeland, Tom;Smith, Ivan
通讯作者: Smith, Ivan