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In una delle attività laboratoriali proposte nella mostra "Uguali? Diversi!" al Festival ...
How to get a bitorus from a decagon: this is the first step. Here you can see the second s...
The animation shows what happens by moving a label across a Klein bottle; here we can read...
A knot with 5 crossings. The image has been realized with the program KnotPlot.
The pieces of this puzzle are hexagonal tiles, all decorated with three pulls of rope (two...
Una superficie di genere 3 (anche se può sembrare a prima vista che abbia 4 "buchi"); dal...
Il teorema di classificazione delle superfici asserisce che ogni superficie (compatta, con...
If we take this map of Milan of the sixteenth century (whose shape is similar to a decagon...
Hanged knots in the section "Topology" of the exhibition matemilano, at the Museum of Scie...
