科研之友
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摘要
We describe an algorithm that recognizes some (possibly all) intrinsically knotted (IK) graphs and can help find knotless embeddings for graphs that are not IK. The algorithm, implemented as a Mathematica program, has already been used in [Goldberg et al. 14] to greatly expand the list of known minor minimal IK graphs and to find knotless embeddings for some graphs that had previously resisted attempts to classify them as IK or non-IK.
- 出版日期2014-1-2
