An unavoidable set of configurations in planar trigangulations
type: Item
instance of: scholarly article
title: An unavoidable set of configurations in planar trigangulations
zbMATH Open document ID: 0407.05035
DOI: 10.1016/0095-8956(79)90038-8
published in: Journal of Combinatorial Theory. Series B
publication date: 1979-01-01T00:00:00Z
Mathematics Subject Classification ID: 05C15
Mathematics Subject Classification ID: 05C10
zbMATH DE Number: 3632512
zbMATH Keywords: Four Color Problem
zbMATH Keywords: Unavoidable Set of Configurations
zbMATH Keywords: Planar Triangulations
author: Kenneth I. Appel
author: Wolfgang Haken
MaRDI profile type: Publication
full work available at URL: 0095-8956(79)90038-8
OpenAlex ID: W2012788880
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cites work: Chromatic reduction of the triangulations \(T_e, e=e_5+e_7\)
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description: scientific article; zbMATH DE number 3632512