Date of Original Version
Abstract or Description
Let P6 denote the induced path on six nodes. We prove that if a perfect graph G contains P6 as an induced subgraph but not two families introduced by Conforti and Cornuéjols then G is bipartite or disconnected, or Ḡ has a star cutset.
Journal of Combinatorial Theory, Series B, 87, 2, 331-347.