| 单词 | Tricolorable |
| 释义 | TricolorableA projection of a Link is tricolorable if each of the strands in the projection can be colored in one of threedifferent colors such that, at each crossing, all three colors come together or only one does and at least two differentcolors are used. The Trefoil Knot and trivial 2-link are tricolorable, but the Unknot, WhiteheadLink, and Figure-of-Eight Knot are not. If the projection of a knot is tricolorable, then ReidemeisterMoves on the knot preserve tricolorability, so either every projection of a knot is tricolorable or none is. |
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