Talks
back to math	Below is the list of talks I gave, in the inverse order. This list serves as a reminder to myself where and when I've been. After I retire, this will be a good source for reminiscences.

• Topological and Geometric Rigidity, workshop at BIRS, Banff, Canada, July 30 - August 3, 2007.
• IUPUI, a graduate seminar talk and a colloquium talk, Indianapolis, March 30, 2007.
• Differential Geometry Seminar, Indiana University, Bloomington, Indiana, March 29, 2007.
• Informal Seminar in Geometry and Topology, two hours, CalTech, Pasadena, CA, March 16, 2007.
• Geometric Group Theory, Hyperbolic Dynamics and Symplectic Geometry, Mathematisches Forschungsinstitut Oberwolfach, Germany, July 23-29, 2006.
• Séminair du Lièvre, University of Geneva, Switzerland, July 20, 2006.
• Combinatorial and geometric group theory, conference in honor of Alexander Yu. Olshanskii, Vanderbilt University, May 5-10, 2006.
• Indiana University, Geometry seminar, October 4, 2005.
• 5th International Algebraic Conference in Ukraine, Odessa, Ukraine, July 20-27, 2005.
• Moscow State University, Group Theory Seminar, June 27, 2005.
• International Conference "Asymptotic and Probabilistic Methods in Geometric Group Theory", University of Geneva, Switzerland, June 20-25, 2005.
• Aix-Marseille, France, S'eminaires de Topologie-Algebre-Dynamique, June 13, 2005.
• Muenster University, Germany, Graduierten Kollegg Seminar, June 9, 2005.
• Discrete groups and geometric structures with applications II, Oostende, Belgium, plenary talk, May 31-June 3, 2005.
• Lille University, France, seminar, May 20, 2005.
• Midwest Geometry Conference, Ohio State University, Columbus, Ohio, plenary talk, April 29 - May 1, 2005.
• 2005 AMS Spring Western Section Meeting, Santa Barbara, CA, April 16-17, 2005.
• Workshop on K-theory and the Geometry of Groups, University of Hawaii, Manoa, January 18-22, 2005.
• Wabash Seminar (joint among UIUC, Indiana University, Purdue University, and IUPUI), October 23, 2004.
• Vanderbilt University, seminar for students and post-docs, October 18, 2004. Supported by the NSF Research Training Group grant.
• Special Session on Von Neumann Algebras and Noncommutative Ergodic Theory, Southeastern Section Meeting of AMS, Nashville, TN, October 16-17, 2004.
• Kyoto University, seminar, August 6, 2004.
• Coarse Geometry Conference, two talks, Kyoto University, Kyoto, Japan, August 11-14, 2004.
• Princeton University, Topology Seminar, April 29, 2004.
• Conference on Geometric Group Theory, Mathematical Research and Conference Center in Bedlewo, Poland, April 18-24, 2004.
• Group Theory Seminar, Rutgers University, New Brunswick, NJ, March 31, 2004.
• Geometry and Topology Seminar, SUNY at Stony Brook, NY, February 24, 2004.
• CDSNS Colloquium, Georgia Institute of Technology, Atlanta, Georgia, February 3, 2004.
• Yale Topology Seminar, Yale University, January 22, 2004.
• Geometry Seminar, University of Alberta, Edmonton, Canada, January 8, 2004.
• Columbia Geometric Topology Seminar, Columbia University, New York, November 21, 2003.
• Functional Analysis Colloquim, UCLA, Los Angeles, CA, November 5, 2003.
• Short talk at the Institute for Advanced Study, Princeton, September 29, 2003.
• Geometric Functional Analysis Seminar, Penn State University, State College, PA, September 26, 2003.
• Montreal Group Theory Seminar, McGill University, Montreal, Canada, September 17, 2003.
• Max-Planck-Institut, Bonn, Germany, Oberseminar Topologie, June 30, 2003.
• Joint meeting of the AMS with the Royal Spanish Mathematical Society, Seville, Spain, June 18-21, 2003. Special session Geometric Methods in Group Theory; and also a talk at contributed papers session.
• University of Chicago, seminar, May 8, 2003.
• Special Session Operator algebras and their applications, 2003 Spring Central Section AMS Meeting, Bloomington, IN, April 4-6, 2003.
• University of Hawaii, Honolulu, colloquium, January 15.
• Ohio State University, Columbus, Topology seminar, May 14, 2002.
• 2002 Spring Topology and Dynamics Conference, University of Texas, Austin, Texas, March 21-23, 2002.
• G³conference, University of New Orleans, New Orleans, LA, March 15-17, 2002.
• Workshop on Geometric Topology and Geometric Group Theory, University of Florida, Gainesville, FL, March 3-10, 2002.
• University of Illinois at Urbana-Champaign, seminar, January 17, 2002.
• University of Texas, Austin, seminar, January 24, 2002.
• University of Wisconsin, Madison, seminar, December 20, 2001.
• K-theory and geometric group theory, Vanderbilt University, Nashville, Tennessee, Nov 30 - Dec 3, 2001.
• University of South Alabama, colloquium, Mobile, AL, October 18, 2001.
• IUPUI (Indiana University - Purdue University Indianapolis), an introductory talk and a colloquium talk, October 5, 2001.
• City University of New York, New York Group Theory Seminar, September 21, 2001
• Columbia University, Geometric Topology Seminar, September 21, 2001.
• University of Chicago, seminar talk, August 31, 2001.
• University of Illinois at Urbana-Champaign, colloquium, August 30, 2001.
• Special session Geometric and Computational Group Theory of Western Section AMS Meeting, Las Vegas, Nevada, April 21-22, 2001.
• Conference on Non-positive Curvature and Analysis, Penn State, State College, PA, March 29-31, 2001.
• University of Oklahoma, Karcher Colloquium Lecture and Karcher Special Lecture, February 8 and 9, 2001.
• Vanderbilt University, colloquium on October 26 and Group Theory and Topology Seminar on October 27, 2000, Nashville, Tennessee.
• 3-hour (!) talk at Seminar DoSemi, Tokyo Institute of Technology, July 15, Tokyo, Japan, 2000.
• Topology Seminar, Tokyo Institute of Technology, Tokyo, Japan, July 19, 2000.
• Tokyo Denki University, colloquium, Tokyo, Japan, July 6, 2000.
• International Conference on Geometric Methods in Group Theory and Semigroup Theory, University of Nebraska, Lincoln, May 15-19, 2000.
• G³conference, University of South Alabama, Mobile, AL, March 4-5, 2000.
• University of Colorado, Boulder, colloquium, January 28, 2000.
• University of Texas, Austin, Topology seminar, November 1999.
• Texas A & M University, Algebra and Combinatorics seminar, College Station, TX, November 1999.
• University of South Alabama, Geometric Group Theory seminar, many talks, Mobile, AL, 1999.
• Workshop on Geometric Group Theory, at the joint Australian/American Math. Soc. meeting, Melbourne, Australia, July 1999.
• Symposium on Computation in Group Theory and Geometry, University of Warwick, Coventry, United Kingdom, July 1999.
• Crystallographic Groups and their Generalizations II, Kortrijk, Belgium, May 26-28, 1999.
• Spring Topology Conference, Salt Lake City, Utah, March 18-20, 1999.
• ETH (Eidgenössische Technische Hochschule), seminar, Zürich, Switzerland, 1999.
• University of Warwick, seminar, Coventry, United Kingdom, 1998.
• University of Southampton, seminar, United Kingdom, 1998.
• Joint Frankfurt-Bochum Geometric Group Theory Seminar, Frankfurt, Germany, 1998.
• Max-Planck-Institut für Mathematik, Oberseminar and Topology seminar, Bonn, Germany, 1998.
• University of Bonn, Germany, Geometry seminar, other seminars, 1998.
• Geometric Group Theory and Computer Science, AMS Meeting, South Hadley, Massachusetts, 1998.
• Wasatch Topology Conference, Park City, Utah, 1998.
• Conference on Non-positive Curvature, Vanderbilt University, Nashville, Tennessee, 1998.
• California Institute of Technology, Topology Seminar, Pasadena, CA, 1998.
• University of California at Berkeley, Geometric Group Theory Seminar, 1998.
• Brigham Young University, seminar, Provo, Utah, 1997.
• University of Utah, Max Dehn Seminar, Salt Lake City, Utah, 1993-1998.
• Rowlee Lectures in Mathematics, workshop, University of Nebraska, Lincoln, 1997.
• Institute of Mathematics, Novosibirsk, Russia, Assoc. Rings and Lie Rings Seminar, 1997.
• Moscow State University, Algebra Seminar, Russia, 1997.
• Penn State University, Algebra Seminar, State Colelge, PA, 1997.
• The University of Illinois at Urbana-Champaign, Algebra/Group Theory Seminar, 1997.
• Albany Group Theory Conference, near Albany, NY, 1997.