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关于寻找有限抽象单纯复形几何实现的算法问询

寻找有限抽象单纯复形低维几何实现的算法问询

我手头有一个d维的有限抽象单纯复形(ASC),它是由一系列关联矩阵定义的。我知道这类复形总能嵌入到ℝⁿ中,其中N大致等于顶点的数量,但我现在更关心能不能把它嵌入到ℝᵈ(或者ℝ^(d+1,d))中。想请教一下有没有算法可以找到这样的嵌入,或者判断这种嵌入是否不存在?

根据评论区的建议,我补充一个关联矩阵的具体例子,这个复形对应3d A型结合体:

C[1] is 1x9 matrix
[[1,1,1,1,1,1,1,1,1]]

C[2] is 9x21 matrix
[[1,1,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],
[1,0,0,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0],
[0,1,0,0,0,1,0,0,1,1,1,0,0,0,0,0,0,0,0,0,0],
[0,0,0,0,0,0,1,0,1,0,0,1,1,1,0,0,0,0,0,0,0],
[0,0,1,0,0,0,0,0,0,1,0,0,0,0,1,1,0,0,0,0,0],
[0,0,0,1,0,0,0,1,0,0,0,1,0,0,0,0,1,1,0,0,0],
[0,0,0,0,0,0,0,0,0,0,1,0,1,0,1,0,0,0,1,1,0],
[0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,1,1,0,1,0,1],
[0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,1,0,1,1]]

C[3] is 21x14 matrix
[[1,1,0,0,0,0,0,0,0,0,0,0,0,0],
[1,0,1,0,0,0,0,0,0,0,0,0,0,0],
[0,0,1,1,0,0,0,0,0,0,0,0,0,0],
[0,1,0,0,1,0,0,0,0,0,0,0,0,0],
[0,0,0,1,1,0,0,0,0,0,0,0,0,0],
[1,0,0,0,0,1,0,0,0,0,0,0,0,0],
[0,0,0,0,0,1,1,0,0,0,0,0,0,0],
[0,1,0,0,0,0,1,0,0,0,0,0,0,0],
[0,0,0,0,0,1,0,1,0,0,0,0,0,0],
[0,0,1,0,0,0,0,0,1,0,0,0,0,0],
[0,0,0,0,0,0,0,1,1,0,0,0,0,0],
[0,0,0,0,0,0,1,0,0,1,0,0,0,0],
[0,0,0,0,0,0,0,1,0,0,1,0,0,0],
[0,0,0,0,0,0,0,0,0,1,1,0,0,0],
[0,0,0,0,0,0,0,0,1,0,0,1,0,0],
[0,0,0,1,0,0,0,0,0,0,0,1,0,0],
[0,0,0,0,1,0,0,0,0,0,0,0,1,0],
[0,0,0,0,0,0,0,0,0,1,0,0,1,0],
[0,0,0,0,0,0,0,0,0,0,0,1,0,1],
[0,0,0,0,0,0,0,0,0,0,1,0,0,1],
[0,0,0,0,0,0,0,0,0,0,0,0,1,1]]

C[4] is 14x1 matrix
[[1],
[1],
[1],
[1],
[1],
[1],
[1],
[1],
[1],
[1],
[1],
[1],
[1],
[1]]

备注:内容来源于stack exchange,提问作者unknown

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最近更新时间:2026.04.17 12:27:58