来源:Journal of Knot Theory and Its Ramifications, 2014, 23(11): 1450062.
DOI:10.1142/s021821651450062x
摘要
<jats:p>In this paper, we show that any 11-colorable knot has a diagram with a non-trivial 11-coloring such that at most six colors among eleven colors are assigned to arcs of the diagram.</jats:p>