Reseach Talks

• On the lifting property for the universal C*-algebras of operator spaces
  • Tokyo University, December 1998.
  • Operator Space Workshop at University of Illinois, Urbana-Champaign, March 1999.
• A non-extendable bounded linear map between C*-algebras
  • Texas A&M University, April 1999.
  • University of Houston, May 1999.
  • Tokyo University, June 1999.
• On injectivity and nuclearity for operator spaces (in collaboration with Effros and Ruan)
  • Workshop in Linear Analysis and Probability at Texas A&M University, August 1999.
• A short proof of the Oikhberg-Rosenthal theorem
  • SUMIRFAS at Texas A&M University, August 1999.
• On the set of finite dimensional subspaces of preduals of von Neumann algebras
  • Sur les espaces Lp non-commutatifs à l'IHP, novembre 1999.
• Local theory and local reflexivity
  • CONFERENCE ON OPERATOR SPACES at IHP, January 2000.
  • Tokyo University, January 2000.
• Amenable actions and exactness for discrete groups
  • Séminaire d'Algèbres d'Opérateurs at Collège de France, March 2000.
  • Université Pierre et Marie Curie - Paris 6, March 2000.
  • Tokyo University, April 2000.
• On exactness of reduced group C*-algebras
  • Cardiff University, May 2000.
  • Rencontres sur la conjecture de Baum-Connes à IRMA, Strasbourg, mai 2000.
  • SUMIRFAS at Texas A&M University, August 2000.
  • MSRI, October 2000.
• On OLp spaces
  • Workshop in Linear Analysis and Probability at Texas A&M University, July 2000.
• On the lifting problem for separable C*-algebras
  • Free Probability and Noncommutative Banach Spaces at MSRI, January 2001.
• Almost completely isometric embeddings between preduals of von Neumann algebras
  • University of California at Irvine, March 2001.
  • University of California at Los Angeles, May 2001.
• Exactness for free group factors
  • Tokyo University, June 2001.
  • Workshop in Linear Analysis and Probability at Texas A&M University, July 2001.
• Nuclearity of reduced amalgamated free product C*-algebras
  • Operator Algebras and Their Applications at RIMS, September 2001.
• An application of expanders to B(\ell_2)\otimes B(\ell_2)
  • Tokyo University, October 2001.
  • Annual Meeting on Operator Theory and Operator Algebras, Yufuin, November 2001.
  • C*-Algebren at Mathematisches Forschungsinstitut Oberwolfach, December 2001.
  • Université Pierre et Marie Curie - Paris 6 and Besançon, May 2002.
  • Workshop in Linear Analysis and Probability at Texas A&M University, July 2002.
  • Non-commutative Phenomena and Random Matrices at PIMS (Victoria), August 2002.
• Homotopy invariance of AF-embeddability
  • Aspects of Operator Algebras at RIMS, January 2002.
• A survey on R^\omega embeddability
  • Chiba University, February 2002.
• Homogeneity of the pure state space for a separable C*-algebra
  • Annual Meeting of Math. Soc. Japan at Meiji Univ, March 2002.
  • Operator Space Mini^2 Conference at UT Austin, July 2002.
• A survey on discrete exact groups
  • UC Berkeley, September 2002.
• Application of uncountably many property T groups of Gromov to operator algebras
  • UCLA, October 2002.
  • UC Berkeley, November 2002.
• On Connes' Approximate Embedding Problem
  • UCLA, (2 lectures) January 2003.
  • Penn State University, February 2003.
  • University of Illinois at Urbana-Champaign, March 2003.
  • Rencontre du GdR "Algèbres d'Opérateurs" at Institut de mathématiques de Jussieu, July 2003.
• Solid von Neumann algebras
  • UC Berkeley, February 2003.
  • UCLA, March 2003.
  • University of Illinois at Urbana-Champaign, March 2003.
  • Texas A&M University, August 2003.
  • WCOAS at BIRS, October 2003.
• Some prime factorization results for type II_1 factors
  • Noncommutative Geometry and Applications at Vanderbilt University, May 2003.
  • Recent Advances in von Neumann Algebras at UCLA, May 2003.
  • GPOTS at UIUC, June 2003.
  • Rencontre du GdR "Algèbres d'Opérateurs" at Institut de mathématiques de Jussieu, July 2003.
• Weakly exact von Neumann algebras
  • Espaces d'opérateurs at CIRM, June 2003.
  • UC Berkeley, September 2003.
  • ECOAS at Vanderbilt University, September 2003.
  • Noncommutative Geometry in Mathematics and Physics at CIRM, February 2004.
• A Kurosh type theorem for type II_1 factors
  • UCLA, January 2004.
  • AMS Sectional Meeting at Vanderbilt University, October 2004.
• New progress in the classification of group von Neumann algebras
  • Math Colloquium at UCLA, January 2004.
  • Kansai Operator Algebra Seminar at Kyoto University, May 2004.
  • Tokyo Operator Algebra Semianr at Chiba University, June 2004.
  • SUMIRFAS at Texas A&M University, August 2004.
  • Math Colloquium at University of Iowa, December 2004.
• Hyperbolic groups and type II_1 factors (minicourse)
  • Noncommutative Geometry in Mathematics and Physics at CIRM, February 2004.
  • Penn State University, February 2004.
  • Noncommutative Geometry and Operator Algebras at Vanderbilt University, May 2005.
• On exact discrete groups
  • Tohoku University, May 2004.
  • University of Tokyo, June 2004.
• Amenable Actions And Applications (slides.pdf)
  • Asymptotic and Probabilistic Methods in Geometric Group Theory at University of Geneva, June 2005.
  • Banach Algebras and Their Applications at Bordeaux, July 2005.
  • Development of Operator Algebras at RIMS, September 2005.
  • Math Colloquium at Kyoto University, October 2005.
  • Operator Algebras and Applications, University of Southern Denmark, April 2006.
  • International Congress of Mathematicians, Madrid, August 2006. ICM Daily News (pdf)
• Survey on the CBAP
  • Kansai Seminar, Osaka Kyoiku University, December 2005.
• An invitation to the similarity problem (after Pisier)
  • Operator Spaces and Their Application, RIMS, January 2006.
• Property (T) for universal lattices, after Y. Shalom
  • UCLA, April 2006.
  • University Tokyo, July 2006.
• A comment on free group factors (slides.pdf)
  • Free Analysis, American Institute of Mathematics, June 2006.
  • SUMIRFAS, Texas A&M Univ., August 2006.
  • Topics on von Neumann Algebras, BIRS, September 2006.
  • Domestic Workshop on Operator Theory and Operator Algebras, Tohoku University, November 2006.
• Generalized Bozejko-Picardello inequalities
  • Operator Algebras and Related Fields, Hawaii, January 2007.
• Weak amenability of hyperbolic groups
  • Operator spaces, non-commutative L_p-spaces and Applications, CIRM (Marseille), June 2007.
  • Banach spaces and Operator spaces, Chern Institute of Mathematics (Tianjin), July 2007.
  • Workshop on Structure of C*-Algebras, Fields Institute, November 2007.
  • Analyse et Géométrie at Institut de Mathématiques de Jussieu, October 2009.
• Weakly exact von Neumann algebras
  • Meeting on the structure of C*-algebras (Kirchbergfest), Münster, July 2007.
• Recent advances in classification of finite von Neumann algebras
  • Annual Meeting of the Mathmatical Society of Japan, Saitama, March 2007.
  • Banach Algebras 2007, Laval (Québec), July 2007.
• On a class of II_1 factors with at most one Cartan subalgebra
  • Operator Algebra Seminar at University of Tokyo, July 2007.
  • Workshop in Analysis and Probability, Texas A&M University, August 2007.
  • Operator Spaces and Group Algebras, BIRS, August 2007.
  • New Development of Operator Algebras, RIMS (Kyoto), September 2007.
  • Workshop on von Neumann Algebras, Fields Institute, October 2007.
  • Workshop on Operator Spaces and Quantum Groups, Fields Institute, December 2007.
• Rigidity in finite von Neumann algebras (5-hour minicourse),
  • Summer School in Operator Algebras University of Ottawa, August 2007.
• On a class of II_1 factors with at most one Cartan subalgebra II (Handout.pdf)
  • Topics in von Neumann Algebras, BIRS, (2 lectures) March 2008.
  • Operator Algebra Seminar at University of Tokyo, April 2008.
  • Operator Algebras, Dynamics, and Classification, Texas A&M University, August 2008.
  • Non-commutative Harmonic Analysis with Applications to Probability, Będlewo, August 2008.
  • Analytic Properties of Infinite Groups, Genève, August 2008.
  • von Neumann Algebras and Ergodic Theory of Group Actions, Oberwolfach, October 2008.
  • Harmonic analysis, operator algebras and representations, CIRM, November 2008.
  • von Neumann Algebras and Ergodic Theory, UCLA, March 2009.
• von Neumann algebras and ergodic theory (Mini Course)
  • von Neumann algebras, Ergodic theory and Geometric Group theory, IMSc (Chennai), February 2009.
  • Summer School: Ergodic Theory of Group Actions, Göttingen, August 2009.
• Dixmier's Similarity Problem (Handout.pdf)
  • Colloquium at Tohoku University, April, 2009.
  • Noncommutative Lp spaces, operator spaces and applications, CIRM, June 2009.
  • Operator Algebra Seminar at University of Tokyo, July 2009.
  • Summer School: Geometry and Rigidity of Groups, Münster, August 2009.
  • Séminaire d'Algèbres d'Opérateurs at Institut de Mathématiques de Jussieu, October 2009.
  • Operators and Operator Algebras University of Edinburgh, December 2009.
  • Colloquium at University of Tokyo, December 2009.
  • KOTAC 2010, Incheon, June 2010.
  • Geometry and Analysis, Kyoto University, March 2011.
  • Seminar at McGill University, April 2013.
• Hyperlinearity, sofic groups and applications to group theory (Mini Course)
  • Operator Spaces and Approximation Properties of Discrete Groups, Texas A&M University, August 2009.
• Quasi-homomorphism rigidity with noncommutative targets (Handout.pdf)
  • Rigidity in cohomology, K-theory, geometry and ergodic theory, HIM (Bonn), November 2009.
  • Functional Analysis Seminar at UCLA, March 2010.
  • Colloquium at University of Hawaii, March 2010.
  • Danish-Norwegian Operator Algebra Seminar, University of Copenhagen, April 2010.
  • Geometry and Ergodic Theory Seminar, EPFL, April 2010.
  • Recent Developments in Operator Algebras, University of Tokyo, June 2010.
  • Satellite Conference on Operator Algebras to ICM 2010, IMSc (Chennai), August 2010.
  • Séminaire d'Algèbres d'Opérateurs at Institut de Mathématiques de Jussieu, September 2010.
  • AMS Fall Western Section Meeting, UCLA, October 2010.
  • Sendai Symposium, Tohoku University, August 2011.
• Closable derivations on finite von Neumann algebras (Mini Course)
  • Noncommutative Geometry and Operator Algebras, Vanderbilt University, May 2010.
• Group measure space von Neumann algebras and measure group theory
  • Actions and Invariants of Residually Finite Groups: Asymptotic Methods, Oberwolfach, September 2010.