Announcements.
small circle, UofT, LDT Blog (also here). Email Dror to join our mailing list!
Resources. How to use this site, Dror's notebook, blackboard shots.
Date
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Links
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Jan 11, 2012
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120111-1: Introduction. 120111-2: Section 2.1 - v-Braids.
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Jan 18, 2012
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120118-1: An introduction to this web site. 120118-2: Section 2.2 - w-Braids by generators and relations and as flying rings. 120118-3: Section 2.2 - w-Braids - other drawing conventions, "wens".
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Jan 25, 2012
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120125-1: Section 2.2.3 - basis conjugating automorphisms of . 120125-2: A very quick introduction to finite type invariants in the "u" case.
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Feb 1, 2012
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120201: Section 2.3 - finite type invariants of v- and w-braids, arrow diagrams, 6T, TC and 4T relations, expansions / universal finite type invariants.
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Feb 8, 2012
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120208: Review of u,v, and w braids and of Section 2.3.
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Feb 15, 2012
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120215: Section 2.5 - mostly compatibilities of , also injectivity and uniqueness of .
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Feb 22, 2012
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120222: Section 2.5.5, , and Section 3.1 (partially), the definition of v- and w-knots.
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Feb 29, 2012
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120229: Sections 3.1-3.4: v-Knots and w-Knots: Definitions, framings, finite type invariants, dimensions, and the expansion in the w case.
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Mar 7, 2012
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120307: Section 3.5: Jacobi diagrams and the bracket-rise theorem.
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Mar 14, 2012
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120314: Section 3.6 - the relation with Lie algebras.
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Mar 21, 2012
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120321: Section 4 - Algebraic Structures.
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Mar 28, 2012
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Out-of-sequence not-on-tape we watched the video of Talks: GWU-1203.
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Apr 4, 2012
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120404: Section 3.7 - The Alexander Theorem (statement).
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Apr 18, 2012
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120418: Aside on the Euler trick, the differential of , and the BCH formula.
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Apr 25, 2012
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120425: Section 3.8, a disorganized lecture towards the proof of the Alexander theorem.
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May 2, 2012
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120502: Section 4: Algebraic structures (review), circuit algebras, v- and w-tangles.
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May 10, 2012
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120510: Sections 5.1 and 5.2: tangles, their projectivization and its relationship with Alekseev-Torossian spaces.
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May 23, 2012
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120523: Section 5.2: Proof of the relationship with A-T spaces.
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May 30, 2012
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120530: Interpreting as a universal space of invariant tangential differential operators.
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Group photo on January 11, 2012: DBN, ZD, Stephen Morgan, Lucy Zhang, Iva Halacheva, David Li-Bland, Sam Selmani, Oleg Chterental, Peter Lee.
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