Non-simplicially collapsible triangulations of In

Non-simplicially collapsible triangulations of In
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In 的非单纯可折叠三角剖分

DOI:
10.1017/s0305004100042511
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发表时间:
1968
影响因子:
0.8
通讯作者:
R. Goodrick
R. Goodrick
中科院分区:
数学2区
文献类型:
--
作者:
R. Goodrick

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鉴于对拓扑n细胞的任何三角剖分,有一个整数k,使得三角剖分的kth barycentric细分很简单(3)。在下文中,我们显示给定任何整数k,我们可以构造n细胞n> 2的三角剖分,其kth barycentric细分不能简单地折叠。
Given any triangulation of a topological n-cell, In, there is an integer k such that the kth barycentric subdivision of the triangulation is simplicially collapsible (3). In the following, we show that given any integer k, we can construct a triangulation of an n-cell, n > 2, whose kth barycentric subdivision is not simplicially collapsible.