| 单词 | Crossing Number (Link) |
| 释义 | Crossing Number (Link)The least number of crossings that occur in any projection of a Link. In general, it is difficult to find thecrossing number of a given Link.
Adams, C. C. The Knot Book: An Elementary Introduction to the Mathematical Theory of Knots. New York: W. H. Freeman, pp. 67-69, 1994. |
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