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We define a "fake knot" as a knot (so, a simple, closed curve in the space) that can be de...
A fake (or trivial) knot. The image has been realized for the exhibition matemilano.
A solution of the problem of the three houses on the torus. You can also try to solve this...
Three circumferences that look like the borromean rings, they aren't Borromean rings; see ...
Questa scultura in legno di Franco Badaracco fa parte di un gruppo di 22 sculture che eran...
Questa scultura in legno di Franco Badaracco fa parte di un gruppo di sculture che erano e...
This sculpture by Josep Canals, in the Pueblo Español in Barcellona, can give the idea of...
How to get a torus knot of type (3,k). Third step: before pasting the cylinder, we give a ...
In una delle attività laboratoriali proposte nella mostra "Uguali? Diversi!" al Festival ...
This animation shows the Klein bottle (that can be obtained by identifying the opposite si...
