For anyone who has ever struggled while attempting to solve a Sudoku puzzle, mathematicians are coming to the rescue. They can not only explain why some Sudoku puzzles are harder than others, they ...

Figuring out where to put all 81 numbers in one of those Sudoku puzzles so that no row or column has any number more than once? No problem. Figuring out how to use 81 nixie tubes for same? No clue!

For anyone who has ever struggled while attempting to solve a Sudoku puzzle, University of Notre Dame researcher Zoltan Toroczkai and Notre Dame postdoctoral researcher Maria Ercsey-Ravaz are riding ...

For those who struggle to solve a Sudoku puzzle, scientists have come to your rescue! Researchers at University of Notre Dame have developed a mathematical algorithm that solves Sudoku puzzles very ...