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zbMath0764.05026MaRDI QIDQ4028462

S. J. Gismondi, E. R. Swart

Publication date: 28 March 1993

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

colourings reducible configuration 4-colour theorem Boolean closure

Mathematics Subject Classification ID

Other designs, configurations (05B30) Coloring of graphs and hypergraphs (05C15)

Related Items (4)

The four-colour theorem ⋮ Coloring count cones of planar graphs ⋮ An unavoidable set of $D$-reducible configurations ⋮ Unnamed Item

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