Category: Games and Puzzles

Pick the Right Fence

By Paolo Baldan and Roberto Bruni. In a park there is an area including some rare trees. Such trees are planted very regularly at the points of a grid: …

Before the penalties or the geometry of soccer

By Paolo Baldan (1) and Roberto Bruni (2) (1) Univ. of Padova, Department of Pure and Applied Mathematics (2) Univ. of Pisa, Computer Science Department It’s the end of the extra time of the final the European football championship. It has been…