The problem of the three houses on the torus
The solution of the problem of the three houses on a torus.
You can also try to solve this problem online with the interactive animation Paths without crossings.
Exhibit of matemilano, section "Topology", realized by Michele Ciribifera and Stefano Bonacci.
foto di Ombretta Locatelli
The image belongs to the sections...:
Exhibition 2004-2005 together with the topology section of matemilano (From the exhibitions of matematita)
The topology section of matemilano shown inside the exhibition Symmetry, playing with mirrors (From the exhibitions of matematita)