Fine Structure of 4-Critical Triangle-Free Graphs II. Planar Triangle-Free Graphs with Two Precolored 4-Cycles

Zdenek Dvorák, Bernard Lidický. Fine Structure of 4-Critical Triangle-Free Graphs II. Planar Triangle-Free Graphs with Two Precolored 4-Cycles. SIAM J. Discrete Math., 31(2):865-874, 2017. [doi]

Abstract

Abstract is missing.