J. Korean Math. Soc. 2007; 44(3): 661-671
Printed May 1, 2007
Copyright © The Korean Mathematical Society.
Youngsik Huh and Choon Bae Jeon
Hanyang University, Hanyang University
We investigate the number of knots and links in linear embeddings of $K_6$, the complete graph with 6 vertices. Concretely, we show that any linear embedding of $K_6$ contains either only one Hopf link, or three Hopf links and one trefoil knot.
Keywords: trefoil knot, Hopf link, complete graph, linear embedding
MSC numbers: Primary 57M25; Secondary 57M15, 05C10
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