WAcyclic orientation
WBramble (graph theory)
WClique (graph theory)
WCycle (graph theory)
WCycle double cover
WCycle (graph theory)
WDominating set
WEar decomposition
WEulerian path
WFeedback arc set
WGraceful labeling
WGraph center
WGraph factorization
WHamiltonian decomposition
WHamiltonian path
WIndependent set (graph theory)
WInduced path
WMap (graph theory)
WMaximal independent set
WMaximum cut
WMinimum cut
WMultiple edges
WNeighbourhood (graph theory)
WNonblocker
WOdd cycle transversal
WPath (graph theory)
WPeripheral cycle
WPlanar cover
WSkew partition
WSplit (graph theory)
WTree decomposition