EntityQ16680059· pop 5· linked from 30 articlesstrong perfect graph theoremSign in to saveperfect graphs have neither odd holes nor odd antiholesConnectionsmathematical proofEntitydigital object identifierEntitygraph theoryEntityQ180686EntityScienceEntityQ118398EntityconjectureEntityMathWorldEntityLászló LovászEntitygraph coloringEntitybipartite graphEntitycounterexampleEntitydegreeEntityEric W. WeissteinEntityDénes KőnigEntitycycle graphEntityindependent setEntitycomplement graphEntityMathematical ReviewsEntityCiteSeerXEntityCategoriesPerfect graphsTheorems in graph theory