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Groups, periodic planes and hyperbolic buildings

机译:群,周期平面和双曲建筑物

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摘要

Using methods of combinatorial group theory, we give an elementary construction of polyhedra whose links are (not necessarily isomorphic) connected bipartite graphs. In particular, we construct polyhedra whose links are generalized m-gons. Polyhedra of this type are interesting because their universal coverings are two-dimensional hyperbolic buildings with different links. We show that the fundamental groups of some of our polyhedra contain surface groups. The presentation of the results is given in the language of combinatorial group theory.
机译:使用组合群论的方法,我们给出了多面体的基本构造,其链接是(不一定是同构的)连接的二部图。特别是,我们构造了多面体,其链接是广义的m-gons。这种多面体很有趣,因为它们的通用覆盖物是具有不同链接的二维双曲线建筑物。我们证明了我们某些多面体的基本基团包含表面基团。结果的表达是以组合群论的语言给出的。

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