Albertson conjectureW
Albertson conjecture
Book embeddingW
Book embedding
Covering spaceW
Covering space
Crossing number (graph theory)W
Crossing number (graph theory)
Cycle double coverW
Cycle double cover
Dual graphW
Dual graph
Genus (mathematics)W
Genus (mathematics)
Graph embeddingW
Graph embedding
Graph-encoded mapW
Graph-encoded map
Heawood numberW
Heawood number
Petrie dualW
Petrie dual
Queue numberW
Queue number
Regular map (graph theory)W
Regular map (graph theory)
Ribbon graphW
Ribbon graph
Three utilities problemW
Three utilities problem
Topological graphW
Topological graph
Toroidal graphW
Toroidal graph
Turán's brick factory problemW
Turán's brick factory problem
Xuong treeW
Xuong tree