Geodesic
A note on the unitarity property of the Gassner invarian
Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika, no. 17 (2015), pp. 22-25

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We give a 3-page description of the Gassner invariant (or representation) of braids (or pure braids), along with a description and a proof of its unitarity property.
Keywords: braids, unitarity, Gassner
Mots-clés : Burau. 
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D. Bar-Natan. A note on the unitarity property of the Gassner invarian. Vestnik Chelyabinskogo Gosudarstvennogo Universiteta. Matematika, Mekhanika, Informatika, no. 17 (2015), pp. 22-25. http://geodesic.mathdoc.fr/item/VCHGU_2015_17_a2/