The dilemma you face exemplifies a simple but profound idea in graph theory, a field of mathematics that studies the properties and features of these important representations. Though many of the ...

Herzberg and Murty used techniques from graph theory to show that a mathematically simple formula exists for the number of possible solutions to a given sudoku puzzle. If the puzzle is designed ...

Graph theory isn’t enough ... out of a big data set—and an ordinary graph can’t—Purvine points to a simple example close to home, the world of scientific publication.

Mathematicians have long sought to develop algorithms that can compare any two graphs. In practice, many algorithms always ...

Graph theory isn’t enough. The mathematical language for talking ... can tease out of a big data set — and an ordinary graph can’t — Purvine points to a simple example close to home, the world of ...