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If we take this map of Milan of the sixteenth century (whose shape is similar to a decagon...
Borromean rings on the facade of the Biblioteca Ambrosiana in Milan.You can see also a det...
A trefoil knot on a capital in the courtyard of S.Ambrogio church, in Milan.
A knot on the paving of the Galleria, in Milan.The image has been used at the exhibition m...
The tails of these animanls form an Hopf link on the capital of S. Ambrogio church, in Mil...
On a fountain of the Castello Sforzesco in Milan, we can see this coat-of-arms. It should ...
The trefoil knot is the simplest knot; here you can see the two versions (left and right) ...
Borromean rings are a three-components knot that used to be the coat-of-arms of the Borrom...
Some knots aren't equivalent to their specular image, but this is not the case of the figu...
the torus knot of type (2,3) is the trefoil knot. You can see what happens when we increas...
