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This sculpture in via Lange Reihe 8 in Cologne has the shape of a Moebius strip. See it fr...
The theorem of classification of the surfaces states that any compact, connected, orientab...
This sculpture made by Norberto Marchi in Cantù represents a Moebius strip.
The problem of the three houses on a torus. You can see other versions of the problem. Yo...
The problem of the three houses: every house must be joined to each of the three points in...
The problem of the three houses on the Moebius strip.You can see also other versions. You ...
Two wooden sculpture of Franco Badaracco's. On the left we see a surface of genur 2 (a bit...
The preparatory study for an exhibit of matemilano (in the section "Topology"): if we take...
This autogrill on the motorway Milan-lakes has a symmetry of type D3, the same symmetry of...
We get a Moebius strip by taking a long rectangle and pasting the two shortest sides after...
