Six colours for the Moebius strip
The animation shows how to colour a map on the Moebius strip; the map consists of six regions and every region is adjacent to the other 5: we need 6 colours to colour it so that adjacent regions will have different colours. You can see the photo of a model.
© matematita
animazione di Gian Marco Todesco
The image belongs to the sections...:
Colouring a surface (Topology)
The Moebius strip (Topology)
Topology (Animations)
Further information:
http://www.toonz.com/personal/todesco