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0:14:39
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First blackboard: $B$ and $C$ in the case of the pure braid group.
0:18:23
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Second blackboard: The Drinfel'd-Kohno relations.
0:21:24
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I should have mentioned that a double point within a braid means "the difference between an over-crossing and an under-crossing", and thus it represents an element of the augmentation ideal $I$.
0:24:14
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Third blackboard: The derivation of 4T / Drinfel'd-Kohno.
0:30:04
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Kamnitzer's question: Are there groups for which there are no such isomorphisms?
0:32:16
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Handout view 10: Parenthesized Braids
0:40:33
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Handout view 14: Parenthesized Chord Diagrams and Ops
0:47:36
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Handout view 18: Pentagon and Hexagon
0:50:16
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Handout view 22: The Pentagon and the Hexagons