环面AF-代数与映射类群的忠实表示
Toric AF-algebras and faithful representation of the mapping class groups
摘要:
存在一个从一般黎曼曲面空间到所谓的环面AF-代数的协变非内射函子;这样的函子将同构黎曼曲面映射到稳定同构环面AF-代数。利用函子构造亏格g>1的曲面到矩阵群GL(6 g-6,Z)的映射类群的忠实表示.
英文摘要:
There exists a covariant non-injective functor from the space of generic Riemann surfaces to the so-called toric AF-algebras; such a functor maps isomorphic Riemann surfaces to the stably isomorphic toric AF-algebras. We use the functor to construct a faithful representation of the mapping class group of surface of genus g>1 into the matrix group GL(6g-6, Z).
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