2009 Fulkerson Prize

It seems 2009 Fulkerson Prize is awarded to the following paper.

• Maria Chudnovsky, Neil Robertson, Paul Seymour, Robin Thomas : The Strong Perfect Graph Theorem, Annals of Mathematics Vol. 164 (2006), 51 -- 229 [pdf]

This is the fourth time for Paul Seymour, third time for Neil Robertson and second time for Robin Thomas. The list of past winners is here and here.