The circular altitude of a graph

John Bamberg, Alice Devillers, Irene Pivotto, Brian Corr, Daniel Hawtin, Eric Swartz

Research output: Contribution to journalArticlepeer-review

1 Citation (Web of Science)


In this paper we investigate a parameter of graphs, called the circular altitude, introduced by Peter Cameron. We show that the circular altitude provides a lower bound on the circular chromatic number, and hence on the chromatic number, of a graph and investigate this parameter for the iterated Mycielskian of certain graphs.
Original languageEnglish
Pages (from-to)357–368
JournalAustralasian Journal of Combinatics
Issue number2
Publication statusPublished - 2018


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