Pdf files of slides from various talks.
- Groups, Homotopy and Configuration Spaces: conference in honor of Fred Cohen
- University of Tokyo, July 5-11, 2005.
- Homotopy Theory Conference in Honor of Joe Neisendorfer's 60th Birthday -
University of Montreal, November 18-20, 2005. Talk
- Andrew Ranicki's 60th Birthday Conference:
Surgery and Manifold Theory Munster University, June 19, 2008.
- Toplogy Seminar, Rutgers, February 22, 2011.
- Toplogy Seminar, Princeton, March 22, 2011.
- Configuration spaces, braids and applications, Tulane, January 13, 2012.
- Configuration spaces, braids and applications, Tulane, January 14, 2012.
- AMS Regional Meeting, Special Session on Geometric Topology:
A Celebration of Jim West's 70th Birthday, Rutgers University,
November 15, 2015.
- AMS Regional Meeting, Special Session on Infinite Groups and Geometric Structures:,
A Session in Honor of the Sixtieth Birthday of Andrew Nicas, SUNY at Buffalo,
September 16, 2017
- International Conference on Manifolds Groups and Homotopy,
Sabhal Mòr Ostaig, Isle of Skye, Scotland,
June 21, 2018