Kündgen, André

• The Electronic Journal of Combinatorics Volume 7 (2000) - Research Papers
  Colouring Planar Mixed Hypergraphs
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 8, Issue 1 (2001) - Notes
  Gaps in the Chromatic Spectrum of Face-Constrained Plane Graphs
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 11, Issue 1 (2004) - Research Papers
  Coloring with no $2$-Colored $P_4$'s
  Abstract  PDF