Planar Triangulations with Real Chromatic Roots Arbitrarily Close to 4

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Abstract

We exhibit infinite families of planar triangulations with real chromatic roots arbitrarily close to 4, thus resolving a long-standing conjecture in the affirmative.
Original languageEnglish
Pages (from-to)195-210
JournalAnnals of Combinatorics
Volume12
Issue number2
DOIs
Publication statusPublished - 2008

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