TU Wien:Diskrete Mathematik für Informatik VU (Drmota)/Übungen WS20/Beispiel 43

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Can you cut a donut with a knife in a single cut into two interlocking halves? That is, each half is homeomorphic to a donut, and they are linked. Links to youtube videos are accepted as answers.

Lösungsvorschlag[edit | edit source]

See http://www.georgehart.com/bagel/bagel.html