Keevash, Peter

• The Electronic Journal of Combinatorics Volume 13 (2006) - Research Papers
  Bounding the Number of Edges in Permutation Graphs
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 12 (2005) - Notes
  The Turán Problem for Hypergraphs of Fixed Size
  Abstract  PDF
• The Electronic Journal of Combinatorics Volume 20, Issue 4 (2013) - Papers
  An Approximate Vertex-Isoperimetric Inequality for $r$-sets
  Abstract  PDF  official source