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Katäfalsen: Difference between revisions
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==== Mathematical background ==== | ==== Mathematical background ==== | ||
[[File:Braid rule1-1.png|thumb|Geometrical interpretation of the first relation of braid groups]] | |||
[[File:Braid rule2-1.png|thumb|Geometrical interpretation of the second relation of braid groups]] | |||
== Vocabulary == | == Vocabulary == | ||