The number of partitions of a set of N points in k dimensions induced by hyperplanes

The number of partitions of a set of N points in k dimensions induced by hyperplanes
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由超平面引起的 k 维中的 N 个点集的分区数

DOI:
10.1017/s0013091500011925
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发表时间:
1967
影响因子:
0.7
通讯作者:
E. Harding
E. Harding
中科院分区:
数学3区
文献类型:
--
作者:
E. Harding

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1.一个任意的(k- 1)维超平面将K维欧氏空间Ek断开成两个不相交的半空间。如果给定一个在Ek中一般位置的N个点的集合[在(k-1)-平面中nok +1,在(k-2)-平面中没有k,等等],那么这个集合被超平面分成两个子集,一个点属于一个子集或另一个子集取决于它属于哪个半空间;为此目的,半空间被认为是无序对。
1. An arbitrary (k– 1)-dimensional hyperplane disconnects K-dimensional Euclidean space Ek into two disjoint half-spaces. If a set of N points in general position in Ek is given [nok +1 in a (k–1)-plane, no k in a (k–2)-plane, and so on], then the set is partitione into two subsets by the hyperplane, a point belonging to one or the other subset according to which half-space it belongs to; for this purpose the half-spaces are considered as an unordered pair.