Abstract
We find the minimal number of non-trivial links in an embedding of any complete $k$-partite graph on 7 vertices (including $K_{7}$, which has at least 21 non-trivial links). We give either exact values or upper and lower bounds for the minimal number of non-trivial links for all complete $k$-partite graphs on 8 vertices. We also look at larger complete bipartite graphs, and state a conjecture relating minimal linking embeddings with minimal book embeddings.
Citation
Thomas Fleming. Blake Mellor. "Counting links in complete graphs." Osaka J. Math. 46 (1) 173 - 201, March 2009.
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