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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