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A wooden sculpture of the artist Gino Taraboi. From the point of view of topology, it repr...
A decoration on the floor of the Galleria, in Milan. If we imagine to paste the ends, we g...
A trefoil knot on a capital in the courtyard of S.Ambrogio church, in Milan.
Knotted columns (ophitic) in the transept of Trento cathedral (13th century).
Borromean rings on the facade of the Biblioteca Ambrosiana in Milan.
If we take this map of Milan of the sixteenth century (whose shape is similar to a decagon...
A torus knot of type (5,16). See also the interactive animation Two numbers for a knot.
A trefoil knot with number of crossings 3.The image has been realized for the exhibition m...
The Borromean rings. Exhibit of matemilano, section "Topology".
fragments of topology