Graph showing U.S. states; if two states border each other, they’re linked by an edge. There’ only one state with a single neighbour, and surprisingly few with only two. (An example from a JavaScript graph layout library.)
Graph showing U.S. states; if two states border each other, they’re linked by an edge. There’ only one state with a single neighbour, and surprisingly few with only two. (An example from a JavaScript graph layout library.)