How to prove that the problem of the three houses on the plane has no solution: in the fig...
A solution of the problem of the three houses on the Moebius strip. You can also try to so...
How to prove that the problem of the three houses on the plane has no solution. We should ...
How to prove that the problem of the three houses has no solution on the plane.We should a...
How to prove that the problem of the three houses has no solution on the plane. We should ...
The problem of Königsberg bridges: is there a path around the town that crosses one and j...
Image that represents a crossroads with four streets. The image has been used at the exhib...
Image that represents a crossroads with three streets. The image has been used at the exhi...
Three trefoil knots, realized with the animation "Draw your knot" of the CD of the exhibit...
The Borromean rings realized with the animation "Draw you knot" in the CD of the exhibitio...
