| 单词 | homology group |
| 释义 | homology group [hǝ`mäl·ǝ·jē ´grüp] MATHEMATICS Associated to a topological space X, one of a sequence of Abelian groups Hn(X ) that reflect how n-dimensional simplicial complexes can be used to fill up X and also help determine the presence of n-dimensional holes appearing in X. Also known as Betti group. |
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