Rolnick, David

• The Electronic Journal of Combinatorics Volume 18, Issue 1 (2011) - Papers
  Trees with an On-Line Degree Ramsey Number of Four
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 22, Issue 3 (2015) - Papers
  Acyclic Subgraphs of Planar Digraphs
  Abstract  PDF  Official source  latex-source-file