EntityQ1386718· pop 7· linked from 21 articlesgraceful labelingSign in to saveassignment of integer labels to the vertices of a graph that uniquely identifies edges by the difference of their endpoint labelsConnectionsgraphEntityintegerEntitydigital object identifierEntitypentagonEntitygraph theoryEntitybibcodeEntityQ118398Entitydistributed computingEntitytreeEntityhypercubeEntitycomplete graphEntityMathWorldEntitynodeEntitylist of unsolved problems in mathematicsEntityEulerian pathEntityEric W. WeissteinEntityHandle SystemEntitycycle graphEntityMathematical ReviewsEntitySolomon W. GolombEntityCategoriesConjecturesGraph theory objects