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单词 Boundary cycle
释义

Boundary cycle

英语百科

Chain (algebraic topology)

The boundary of a polygonal curve is a linear combination of its nodes; in this case, some linear combination of A1 through A6. Assuming the segments all are oriented left-to-right (in increasing order from Ak to Ak+1), the boundary is A6 − A1.
A closed polygonal curve, assuming consistent orientation, has null boundary.

In algebraic topology, a simplicial k-chain is a formal linear combination of k-simplices.

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更新时间:2025/6/23 9:05:28