4-chromatic Koester graphs

DOI10.7151/dmgt.1630zbMath1293.05062OpenAlexW2003886244MaRDI QIDQ2866410

Leonid S. Mel'nikov, Andrey A. Dobrynin

Publication date: 13 December 2013

Published in: Discussiones Mathematicae Graph Theory (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/1c7c3b3169065927d7b58495814b16bffad0302f

zbMATH Keywords

planar graph4-critical graphGrötzsch-Sachs graphKoester graph

Mathematics Subject Classification ID

Planar graphs; geometric and topological aspects of graph theory (05C10) Coloring of graphs and hypergraphs (05C15)

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