The number comes from a simple game of trees—meaning the charts used in graph theory. In this game, you make a forest of trees using seeds. In other words, you make as many tree graphs as you ...

From here graph theory got expanded and generalized into ... creating a minimum spanning tree. One of the first algorithms for this is Jarník’s algorithm, by Czech mathematician Vojtěch ...

But in the world of graph theory, the conjecture predicts that the tiling always ... Then think about every possible tree you can make using n + 1 vertices — which is potentially a lot of different ...

Agnes M. Herzberg and M. Ram Murty of Queen’s University in Kingston, Ontario have translated the problem of solving a sudoku puzzle into the language of graph theory. The 81 squares in the grid ...