Uniqueness of Optimal Point Sets Determining Two Distinct Triangles

Uniqueness of Optimal Point Sets Determining Two Distinct Triangles
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确定两个不同三角形的最优点集的唯一性

DOI:
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发表时间:
2019
期刊:
影响因子:
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通讯作者:
S. Senger
S. Senger
中科院分区:
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文献类型:
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作者:
Hazel N. Brenner;James S. Depret;E. Palsson;S. Senger

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在本文中,我们证明了在$dgeq $3 $维中确定两个不同三角形的最大点数是$2d $。我们进一步表明,这个最大值是唯一实现的顶点的$d $-orthoplex。我们建立在Hirasaka和Shinohara的工作上,他们确定$d $-orthoplex是这样一种最佳构型,但没有证明它的唯一性。此外,我们提出了一个更基本的参数,其最优性。
In this paper, we show that the maximum number of points in $dgeq3$ dimensions determining exactly 2 distinct triangles is $2d$. We further show that this maximum is uniquely achieved by the vertices of the $d$-orthoplex. We build upon the work of Hirasaka and Shinohara who determined that the $d$-orthoplex is such an optimal configuration, but did not prove its uniqueness. Further, we present a more elementary argument for its optimality.