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A knot that can be drawn on the surface of a torus. These knots are identified by two inte...
A knot with 5 crossings. The image has been realized with the program KnotPlot.
Una superficie di genere 3 (anche se può sembrare a prima vista che abbia 4 "buchi"); dal...
A poster of matemilano, in the section "Topology".See another poster of the same section. ...
This knot, despite of its complicated appearance, is equivalent to a trefoil knot with 3 c...
The Borromean rings realized with the animation "Draw you knot" in the CD of the exhibitio...
A poster of matemilano, in the section "Topology".See another poster of the same section. ...
A poster of matemilano, in the section "Topology".See another poster of the same section. ...
Il teorema di classificazione delle superfici asserisce che ogni superficie (compatta, con...
Il cosiddetto "teorema della palla pelosa" afferma che non è possibile "pettinare" una pa...
