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arXiv 1502.02107math.MG
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与双曲型$24$电池相关的Horoball填料

Horoball packings related to hyperbolic $24$ cell

Jenő Szirmai

摘要:

本文研究了扩展双曲空间$\overline{\mathbf{H}}^4$中与双曲24胞腔有关的等球填充,其中我们允许{ \it不同类型的等球}以24胞腔的各个顶点为中心.我们确定,引入广义多面体密度函数的概念,局部denominalhoroball包装安排和它的密度相对于上述定期平铺。最大密度是$\approx 0.71645$,它等于\cite{KSz14}中给出的双曲4-空间中已知的最大球填充密度.

英文摘要:

In this paper we study the horoball packings related to the hyperbolic 24 cell in the extended hyperbolic space $\overline{\mathbf{H}}^4$ where we allow {\it horoballs in different types} centered at the various vertices of the 24 cell. We determine, introducing the notion of the generalized polyhedral density function, the locally densest horoball packing arrangement and its density with respect to the above regular tiling. The maximal density is $\approx 0.71645$ which is equal to the known greatest ball packing density in hyperbolic 4-space given in \cite{KSz14}.

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