## Talks |

All the pdf files referred to below are screen presentations of talks. The files are listed in the order opposite to the chronological one.

- Tritangent circles to a generic curve a talk on a Ph.D. thesis of Yury Sobolev, George Washington University, September 22, 2015.
- Products of two symmetries of order two, Colloquium talk at Pennsylvania State University, September 16, 2015.
- Reflections on relations among reflections, a Bernoulli lecture, Lausanne, June 12, 2014.
- Hypergeometries, August 20, 2013.
- Elevating link homology and TQFT'es via infinite cyclic coverings, May 27, 2011.
- Nice spaces with bad reputations and political correctness of the mathematical language, May 20, 2011.
- Unrealized opportunities. Topological, quantum and categorification invariants in 4D, April 1, 2011, George Washington University.
- Link invariants a la Alexander module, a talk over an internet connection at Seminar on Vector and Tensor Analysis, Moscow State University, December 9, 2010.
- Tropical geometries and multifields, a colloquium talk at Mathematics Department, Stony Brook University, April 15, 2010.
- Complex tropical geometry, a talk at workshop Tropical Structures in Geometry and Physics, MSRI, November 30, 2009.
- Boundary Value Khovanov Homology, a talk at AMS 2009 Fall Southeastern Meeting Boca Raton, FL, October 30 - November 1, 2009.
- Variations on Arnold's Strangeness, a talk at AMS 2009 Fall Southeastern Meeting Boca Raton, FL, October 30 - November 1, 2009.
- Twisted acyclicity of circle and link signatures, a talk at workshop Invariants in Low-Dimensional Topology, Oberwolfach MFO
- Patchworking of algebraic varieties and tropical geometry, a talk on The Valley Geometry Seminar, University of Massachusetts, Amherst, February 8 2008.
- The 16th Hilbert problem, a story of mystery, mistakes and solution, a talk on Midlands Regional Meeting on Tropical Geometry, Loughborough, April 20, 2007.
- Spaces that are not spoken about (in Russian) Prostranstva, o kotoryx ne priniato govorit. A talk to Moscow Mathematical Society on December 26, 2006.
- Compliments to Bad Spaces, March 2007.
- Khovanov homology of framed and signed chord diagrams, December 2006.
- Curves encomplexed, October 2006.
- Linking lines, November 2006.

2015-12-16