The list of talks I gave, in the inverse order.
After I retire, this will be a good source for reminiscences.
Orderale groups, Cajon del Maipo, Chile, September 1-5, 2014.
The 10th William Rowan Hamilton Geometry and Topology Workshop,
The Hamilton Mathematics Institute, Trinity College, Dublin, Ireland, August 26-30, 2014.
Metric Geometry, Geometric Topology and Groups workshop, BIRS, Banff, Canada, August 4-9, 2013.
Groups, Cell Complexes and L2-Homology,
a course (MAS 581) given for students and faculty at Korea Advanced Institute for Science and Technology (KAIST),
Daejeon, Korea, May-June 2013.
(There should be videos of this course available online.)
Cohomological methods in geometric group theory workshop, BIRS, Banff, Canada,
November 25-30, 2012. Here is the video of the talk.
Geometric and Combinatorial Group Theory with Applications (GAGTA-6),
Universität Düsseldorf, Germany, July 25-August 3, 2012.
Colloquium, RIMS, Kyoto, Japan, June 20, 2012.
International Communicating Camp on Discrete Geometry and Funsctional Analysis,
Toba (or Ise), Mie prefecture, Japan, June 11-15, 2012.
Geometric Group Theory conference, RIMS, Kyoto, Japan, June 4-8, 2012.
Topology and Functional Analysis, Fudan University, Shanghai, China, May 21-25, 2012.
Knots and representation theory seminar, Moscow State University, Russia, March 27, 2012.
Group theory seminar, Moscow State University, Russia, March 30, 2012.
Seminar at Geometric and Analytic Aspects of Group Theory program, Institut Mittag-Leffler, Sweden, March 20, 2012.
Universität Leipzig, Seminar Algebra and Geometry, Germany, March 12, 2012.
Seminar on Algebra, Geometry and Physics, Max-Planck-Istitut, Bonn, Germany, February 28, 2012.
MPI-Oberseminar, Max-Planck-Istitut, Bonn, Germany, February 6, 2012.
Ecole Normale Supérieure de Lyon (E.N.S. Lyon), France:
Séminaire de géométrie et dynamique, 2 hours, January 18, 2012,
and Groupe de travail dynamique mesurée, January 19, 2012.
Universität Regensburg, Kepler-Kolloquium, Regensburg, Germany, January 12, 2012.
Binghamton University, State University of New York,
Geometry/Topology Seminar,
Dean's Speaker Series talk, December 1, 2011.
And another talk at Geometry/Topology Seminar.
Cornell University, Topology & Geometric Group Theory Seminar, Ithaca, New York state,
November 29, 2011.
Indiana University, Colloquium, Bloomington, Indiana, November 22, 2011.
Vanderbilt University, Group Theory/Topology Seminar, Nashville, Tennessee, November 15, 2011.
and Noncommutative Geometry Seminar, November 16, 2011.
Brown University, Coloquium talk and a talk at Xtreme Geometry Seminar, Providence, Rhode Island, October 12-13, 2011.
Two talks at Topology, Geometry, and Operator Algebras Seminar, UC Berkeley, California, October 5, 2011.
Colloquium, Rice University, Houston, Texas, September 29, 2011.
A talk at workshop L^2 invariants and their relatives for finitely generated groups,
American Institute of Mathematics (AIM), Palo Alto, California, September 12-16, 2011.
Mathematical Sciences Research Institute (MSRI), seminar talk, Berkeley, California, September 26, 2011.
Omsk Algebraic Seminar, Omsk Department of the Sobolev Institute of Mathematics of the Siberian Branch
of the Russian Academy of Sciences, Omsk, Russia, August 1, 2011.
Evariste Galois Seminar, Sobolev Institute of Mathematics of the Siberian Branch of the Russian Academy of Sciences,
Novosibirsk Akademgorodok, July 26, 2011.
Geometry, Topology, and Applications Seminar,
Sobolev Institute of Mathematics of the Siberian Branch of the Russian Academy of Sciences, Novosibirsk Akademgorodok, July 27, 2011.
Group Theory Seminar, Moscow State University, Russia, July 20, 2011.
Groups, graphs and stochastic processes, BIRS workshop, Banff, Canada, June 19-24, 2011.
University of Alberta, Functional Analysis Seminar, Edmonton, Canada, June 15, 2011.
Walterfest, a Conference in Honor of Walter Neumann, Columbia University, New York, June 6-10, 2011.
Here the file of the presentation can be downloaded.
University of Oregon, joint Algebra-Analysis-Topology Seminar, 2 hours, Eugene, Oregon, May 31, 2011.
CalTech Geometry and Topology Seminar, 2 hours, CalTech, Pasadena, California, May 27, 2011.
University of California, Santa Barbara, Colloquium, May 26, 2011.
Long-Term Workshop Geometry and Analysis, Kyoto University, Japan, March 15-18, 2011.
University of Wisconsin, Milwaukee, Colloquium talk and Topology Seminar talk, November 5, 2010.
Workshop on Geometric Group Theory, Goa, India, satellite to
the International Congress of Mathematicians (ICM), August 9-14, 2010.
Geometry, Topology and Dynamics in Negative Curvature, Raman Research Institute, Bangalore, India, satellite to ICM, August 2-7, 2010.
Informal talk at G^{3} conference, March 25-28, 2010, Pensacola Beach, Florida.
Manifold Perspectives
Mathematisches Forschungsinstitut Oberwolfach, Germany,
May 24th - May 30th, 2009.
Workshop on Percolation on Transitive Graphs,
American Institute of Mathematics (AIM), Palo Alto, CA,
May 5-9, 2008.
Special Session on Geometry and Dynamics, AMS meeting, April 5-6, 2008,
Indiana University, Bloomington, IN.
Ohio State University, Geometric Group Theory Seminar,
April 2, 2008.
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.
G^{3}conference,
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.
G^{3}conference,
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.