Invited Lectures and Colloquia

  • Invited Address, 2012 Spring Western Section Meeting, University of Hawaii at Manoa, Honolulu, HI March 3 - 4, 2012

  • Group Theory Seminar, EPFL, Lausanne, Switzerland, July 7, 2011

  • Linear Groups and Group Representations: Classification Problems, Milan, Italy, July 4 - 6, 2011

  • Colloquium, Department of Mathematics, University of Wisconsin, Madison, WI, March 25, 2011

  • Global/Local Conjectures in Representation Theory of Finite Groups, BIRS, Banff, Canada, March 13 - 18, 2011

  • National University of Vietnam and Hanoi Institute of Mathematics, Hanoi, Vietnam, July 2010

  • Colloquium, Department of Mathematics, University of Oregon, Eugene, OR, May 11, 2010

  • Number Theory Seminar, Harvard University, Cambridge, MA, April 28, 2010

  • Permutation Groups, BIRS, Banff, Canada, July 19 - 24, 2009

  • Conference on Character Theory of Finite Groups in honor of Marty Isaacs, Valencia, Spain, June 3 - 5, 2009

  • Group Theory, Geometry and Representation Theory: Abel Prize 2008 Newton Institute, Cambridge, UK, May 27 - 29, 2009

  • Algebra Seminar, Oxford University, Oxford, UK, May 25, 2009

  • London Algebra Colloquium, Imperial College, London, UK, May 21, 2009

  • Algebra Seminar, University of Cambridge, Cambridge, UK, May 20, 2009

  • Colloquium, Department of Mathematics, University of Kent, Canterbury, UK, May 18, 2009

  • Topics in Algebra, in honor of Alexandre E. Zalesskii, Milan, Italy, May 13 - 15, 2009

  • Representations of Finite Groups, Oberwolfach, Germany, March 22 - 28, 2009

  • Algebra Seminar, University of Southern California, Los Angeles, CA, Feb. 23, 2009

  • Caltech Geometry and Topology Seminar, California Institute of Technology, Pasadena, CA, Nov. 14, 2008

  • MSRI Seminar on representations of finite groups of Lie type, MSRI, Berkeley, CA, May 14, 2008

  • Algebra Seminar, University of California, San Diego, CA, Feb. 21, 2008

  • Group Representations and Combinatorics, University of Florida, Sept. 10 - 14, 2007

  • Permutation Groups, Oberwolfach, Germany, August 5 - 11, 2007

  • Around Broue Conjectures, CIRM, Marseille, France, May 28 - June 1, 2007

  • Colloquium, Department of Mathematics, University of Wisconsin, Madison, WI, Sept. 29, 2006

  • Representations of Finite Groups, Oberwolfach, Germany, March 26 - April 1, 2006

  • Conference on Algebraic Groups and Finite Reductive Groups, Bernoulli Center, EPFL, Lausanne, Switzerland, June 13 - 17, 2005

  • Group Representation Theory, Bernoulli Center, EPFL, Lausanne, Switzerland, Jan. - June 2005

  • Second COE Workshop on Sphere Packings, Kyushu University, Fukuoka, Japan, May 30 - June 3, 2005

  • Gitter und Anwendungen, Oberwolfach, Germany, Jan. 2 - 7, 2005

  • Hanoi Institute of Mathematics, Hanoi, Vietnam, Oct. 21, 2003

  • Algebra Seminar, University of Cambridge, Cambridge, UK, June 18, 2003

  • Algebra Seminar, University of East Anglia, Norwich, UK, June 9, 2003

  • Darstellungen endlicher Gruppen, Oberwolfach, Germany, March 24 - 28, 2003

  • Arithmetique et combinatoire, CIRM, Luminy, Marseille, France, Sept. 23 - 27, 2002

  • Groups and Geometries, Oberwolfach, Germany, Sept. 2 - 6, 2002

  • Hanoi Institute of Mathematics, Hanoi, Vietnam, June 3, 2002

  • Hanoi Institute of Mathematics, Hanoi, Vietnam, March 14, 2002

  • Colloquium, Department of Mathematics, Wesleyan University, Middletown, CT, March 1, 2002

  • Algebra Seminar, University of Southern California, Los Angeles, CA, Nov. 12, 2001

  • Durham Symposium on Groups, Geometry and Combinatorics, July 16-26, 2001

  • Reseaux et Formes Quadratiques, CIRM, Luminy, Marseille, France, Sept. 25 - 29, 2000

  • Group Theory and Representations, Algebra 2000 Summer School and Workshop, Edmonton, Canada, July 3 - 7, 2000

  • INdAM Conference on Applications of Simple Groups/Computational Group Theory, Milan, May 8-12, 2000

  • Number Theory Seminar, Harvard University, Cambridge, MA, Oct. 20, 1999

  • Representations of finite groups, Oberwolfach, Germany, June 21 - 26, 1999

  • Colloquium, Department of Mathematics, University of Erlangen, Erlangen, Germany, June 29, 1999

  • Algebra Seminar, RWTH, Aachen, Germany, June 14, 1999

  • Colloquium, Institute for Experimental Mathematics, Essen, Germany, June 7, 1999

  • Algebra and Topology Seminar, ETH Zurich, Zurich, Switzerland, May 31, 1999

  • Algebra Day, Institute for Experimental Mathematics, Essen, Germany, May 28, 1999

  • Colloquium, Department of Mathematics, University of Oregon, Eugene, OR, May 3, 1999

  • Colloquium, Department of Mathematics, University of Iowa, Iowa City, IA, Febr. 25, 1999

  • Integral Quadratic Forms and Lattices, Seoul National University, Seoul, South Korea, June 15 - 19, 1998

  • Symposium on modular representations of finite groups, University of Virginia, Charlottesville, VA, May 9 - 15, 1998

  • Quadratic Forms and Orthogonal Groups, University of Notre Dame, Notre Dame, IN, May 2 - 4, 1998

  • Colloquium, Department of Mathematics, Kent State University, Kent, Ohio, April 23, 1998

  • NATO Advanced Institute on Modular Representation Theory and Subgroup Structure of Algebraic Groups and Related Finite Groups, Isaac Newton Institute, University of Cambridge, UK, June 15 - July 5, 1997

  • Linear Groups, Levico, Italy, Sept. 3 - 9, 1995

  • Ganzzahlige quadratische Formen und Gitter, Oberwolfach, Germany, Aug. 20 - 26, 1995

  • Gruppen und Geometrien, Oberwolfach, Germany, Aug. 21--26, 1994

  • 1994 Canadian Mathematimatical Society Annual Seminar ''Representations of Groups, Finite, Lie, Quantum'', Banff, Canada, June 14--25, 1994

  • Darstellungtheorie endlicher Gruppen, Oberwolfach, Germany, Sept. 29 - Oct. 2, 1992

  • Algebraische Gruppen, Oberwolfach, Germany, Apr. 7--13, 1991

  • Endlichdimensionale Lie-Algebren, Oberwolfach, Germany, Febr. 10 - 16, 1991