2010
- June 23, The blob complex. Low dimensional topology and categorification, Stony Brook. (slides)
- June 4, Classifying fusion categories. Miller Institute Symposium. (poster)
- May 11, Classification of subfactors up to index 5., Non-commutative geometry and operator algebras, Vanderbilt. (slides)
- January 26, Khovanov homology II, functoriality, deformations and the s-invariant, MSRI introductory workshop for the link homology semester. (lecture notes, streaming video, video)
- January 25, Khovanov homology I, MSRI introductory workshop for the link homology semester. (lecture notes, streaming video, video)
- January 18, Blob homology, TQFT and link homology in Hahei.
- January 17, Khovanov homology for 4-manifolds, TQFT and link homology in Hahei.
2009
- November 8, Blob homology, part I, special session on Homotopy Theory and Higher Algebraic Structures at AMS Riverside meeting. (slides, video)
- see also slides and video from part II, by Kevin Walker.
- November 7, Coincidences of tensor categories, special session on Algebraic Structures in Knot Theory at AMS Riverside meeting. (slides)
- October 30, Graph planar algebra embedding theorems, subfactor seminar at UC Berkeley.
- October 18, Fusion categories and small index subfactors, part II, special session on Fusion Categories at AMS Waco meeting. (slides)
- see also slides from part I, by Noah Snyder.
- October 9, Blob homology, Los Angeles Joint Topology Seminar.
- September 3, Fusion categories, UC Berkeley Colloquium. (blackboards)
- June 3, Classifying subfactor planar algebras, UC Riverside colloquium.
- June 3, Blob homology, UC Riverside.
- March 22, Extended Haagerup exists!, Tensor Categories in Bloomington, Indiana. (slides, video and blog post)
- see also March 20, Coincidences of tensor categories, at the same conference, a talk given by Noah Snyder on joint work. (slides and blog post)
- January 9, The Cappell-Shaneson spheres and the s-invariant, Knots in Washington. (slides)
- January 8, Blob homology, AMS Washington meeting. (slides)
- January 6, Khovanov homology of rational tangles, AMS Washington meeting. (slides)
2008
- December 4, The Cappell-Shaneson spheres and the s-invariant, UC San Diego. (slides)
- October 16, The D_2n planar algebras, University of Tokyo.
- October 7, The D_2n planar algebras, University of New South Wales seminar.
- September 26, Generators and relations for U_q(sl_n) as a pivotal category, University of Sydney algebra seminar.
- September 16, The D_2n planar algebras, PennState noncommutative geometry and analysis seminar.
- July 8, Introduction to Khovanov homology and genus bounds for links, Station Q seminar.
- May 15, Blob homology, Georgia Topology Conference.
- April 18-20, Skein theory for the D_2n subfactors, Planar Algebras and Subfactors meeting at Vanderbilt.
- February 1, Link invariants from the D4 subfactor, with Emily Peters and Noah Snyder, UC Berkeley subfactor seminar.
2007
- December 12-15, Lasagna composition for Khovanov Homology, in the Quantum Topology Special Session of the joint NZMS/AMS Wellington meeting. (slides)
- October 2, Spiders for U_q(sl_n), Station Q Seminar, UC Santa Barbara. (slides)
- August 6-10, Lasagna composition for Khovanov Homology, Quantum Topology in Hanoi, Vietnam (slides)
- July 5-8, Lasagna composition for Khovanov Homology, Oporto conference on Link Homology, Portugal (slides)
- May 23, Functoriality and duality in Khovanov homology, Kyoto. (Nakajima's notes, photos)
- May 15, Genus bounds and spectral sequences made easy, Kyoto. (slides)
- May 14, Khovanov homology, Kyoto. (slides)
- April 24, Khovanov homology is functorial in S^3, Braids In Banff. (slides)
- February 21 and 22, Rasmussen's genus bounds from Khovanov homology, UC Berkeley and UC Davis topology seminars.
2006
- December 4, A topological categorification of su_3, Colloquium, University of Oregon, Eugene. (slides)
- December 1, Khovanov Homology, Basic Notions Seminar, University of Oregon, Eugene. (slides)
- November 17, Disoriented and confused: fixing the functoriality of Khovanov homology. Columbia, Gauge Theory Seminar. (slides, handout.)
- September 7, Disoriented and confused: fixing the functoriality of Khovanov homology. Uppsala, Categorification in Algebra and Topology. (slides, handout.) My pretty slides got a mention at the n-Category Cafe.
- July 3, Disoriented and confused: fixing the functoriality of Khovanov homology. PCMI. (slides)
- June 16, A cobordism theory for sl_3 knot homology, Subfactor seminar.
- May 6, Disoriented and confused: fixing the functoriality of Khovanov homology. Knots in Washington. (slides, handout, actual handout)
- April 28, Disoriented and confused: fixing the functoriality of Khovanov homology. (announcement, slides)
- April 11, A cobordism theory for sl_3 knot homology (slides, handout), UCSB topology seminar.
- Khovanov Homology, Taipa conference Jan 2006. (slides)
2005
- omath, UC Berkeley Subfactor seminar.
- The Knot Atlas, at Knots in Washington.
- Bar-Natan's local Khovanov homology, UC Berkeley Subfactor seminar.
- Generators and relations for $Rep(U_q(\mathfrak{sl}_n))$ as a pivotal category.
- Abstracts February 11, February 18.
- I gave a short 25 minute version of this talk at the Quantum Topology AMS meeting at Snowbird, in June. You can download overheads as an ~8mb pdf.
2004
- Pivotal categories, planar algebras and subfactors
2002
- October 25, The Temperley-Lieb algebra and $\mathfrak{sl}_2$ representation theory, UC Berkeley subfactor seminar. (abstract)
- October 11, Jones-Wenzl projections in the Temperley-Lieb algebra, UC Berkeley subfactor seminar. (abstract)
- May 8, Juggling for Geeks, Many Cheerful Facts graduate seminar. (abstract)
2001
- June 8, Classifying Spinor Structures, honours talk at the University of New South Wales. (abstract)