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On the Number of Crossings in a Complete Graph

Published online by Cambridge University Press:  20 January 2009

Frank Harary  and
Anthony Hill
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The purpose of this article is to describe two problems which involve drawing graphs in the plane. We will discuss both complete graphs and complete bicoloured graphs. The complete graphKn with n points or vertices has a line or edge joining every pair of distinct points, as shown in fig. 1 for n = 2, 3, 4, 5, 6.

Type
Research Article
Information
Proceedings of the Edinburgh Mathematical Society , Volume 13 , Issue 4 , December 1963 , pp. 333 - 338
Copyright
Copyright © Edinburgh Mathematical Society 1963

References

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