Presentations (outside Tilburg)
- Cometric Q-antipodal association schemes - uniformity and linked systems, Ghent University, Belgium, November 13, 2009.
- Almost distance-regular graphs, AMS meeting, Worcester, U.S., April 25, 2009.
- Amorphic association schemes, University of Delaware, Newark, U.S., April 23, 2009.
- Amorphic association schemes, Queen's University, Kingston, Canada, May 15, 2008.
- Maximin Latin hypercube designs, SIAM Conference on Optimization, Boston, U.S., May 10, 2008.
- Amorphic association schemes, Fourth Korea-Japan Workshop on Algebra and Combinatorics, Pohang, Korea, February 2, 2008.
- Bipartite four-class association schemes and related designs, Sixth Slovenian International Conference on Graph Theory, Bled, Slovenia, June 26, 2007.
- Equidistant Latin hypercube designs, Algebraic Combinatorics - An international conference, Sendai, Japan, June 27, 2006.
- Eigenvalues and the structure of graphs, Delft University of Technology, The Netherlands, May 16, 2006.
- Spectral characterizations of distance-regular graphs, Workshop on Graph Spectra, Aveiro, Portugal, April 11, 2006.
- A new family of distance-regular graphs with unbounded diameter, Ghent University, Belgium, December 9, 2005.
- Cospectral graphs of distance-regular graphs, and new distance-regular graphs, Symposium in honour of Prof.dr. J.H. van Lint, Veldhoven, The Netherlands, October 4, 2005.
- Maximin Latin hypercube designs in two dimensions, SIAM Conference on Optimization, Stockholm, Sweden, May 18, 2005.
- A new family of distance-regular graphs with unbounded diameter, Eindhoven University of Technology, The Netherlands, December 15, 2004.
- Spectral characterizations of graphs, International workshop on distance-regular graphs and finite geometry, Pusan, Korea, July 25, 2004.
- Maximin Latin hypercube designs in two dimensions, International Conference on Association Schemes, Codes and Designs, Pusan, Korea, July 21, 2004.
- Combinatorial designs with two singular values, Fifth Slovenian International Conference on Graph Theory, Bled, Slovenia, June 23, 2003.
- The combinatorics of Dom de Caen, International Conference on Geometric and Algebraic Combinatorics 2, Oisterwijk, The Netherlands, August 12, 2002.
- Strongly regular decompositions of the complete graph, Eindhoven University of Technology, The Netherlands, March 27, 2002.
- Edge-decompositions of the complete graph into strongly regular graphs, EuroWorkshop on Algebraic Graph Theory, Edinburgh, Scotland, July 9, 2001.
- A spectral characterization of generalized polygons, Fourth Isle of Thorns Conference, Chelwood Gate, England, July 18, 2000.
- Spectral characterizations of some distance-regular graphs, International Conference on Association Schemes, Codes and Designs, Pohang, Korea, July 4, 2000.
- Amorphic association schemes, EIDMA Lustrum Congres, Mierlo, The Netherlands, October 7, 1999.
- Association schemes from affine spaces, International Conference on Geometric and Algebraic Combinatorics, Oisterwijk, The Netherlands, August 19, 1999.
- Fissions of classical self-dual association schemes, Seventeenth British Combinatorial Conference, Canterbury, England, July 12, 1999.
- A Cauchy-Khinchin matrix inequality, Michigan Technological University, Houghton, U.S., June 12, 1998.
- Association schemes related to Kasami codes and Kerdock sets, Colorado State University, Fort Collins, U.S., April 24, 1998.
- A Cauchy-Khinchin matrix inequality, University of Wyoming, Laramie, U.S., April 23, 1998.
- A nonregular analogue of conference graphs, Twenty-Ninth Southeastern International Conference on Combinatorics, Graph Theory and Computing, Boca Raton, Florida, U.S., March 12, 1998.
- Decomposing the complete graph into three strongly regular graphs, University of Waterloo, Canada, February 19, 1998.
- Graphs with few eigenvalues, Queen's University, Kingston, Canada, November 7, 1997.
- Nonregular graphs with three eigenvalues, Third International Conference Finite Geometry and Combinatorics, Deinze, Belgium, May 19, 1997.
- Association schemes and graphs with few eigenvalues, University of Ghent, Belgium, January 17, 1997.
- Graphs with few eigenvalues, University of Waterloo, Canada, July 18, 1996.
- Graphs with few eigenvalues, University of Winnipeg, Canada, June 28, 1996.
- Graphs with few eigenvalues, Conference of the American, Belgian and Dutch mathematical societies, Antwerp, Belgium, May 24, 1996.
- Graphs with few distinct eigenvalues, bounds on subsets and association schemes, 19th Discrete Day, Amsterdam, The Netherlands, November 17, 1995.
- Graphs with constant mu and mu-bar, Third Slovenian International Conference in Graph Theory, Bled, Slovenia, June 29, 1995.
- Graphs with constant mu and mu-bar, Eindhoven University of Technology, The Netherlands, May 10, 1995.
- Eigenvalues and the diameter of graphs, Conference on Algebraic Graph Theory, Edinburgh, Scotland, July 12,1993.
- Eigenvalues and the diameter of graphs, Eindhoven University of Technology, The Netherlands, June 16, 1993.
- Classification of spreads of PG(3,4)\PG(3,2), Centre for Mathematics and Computer Science (CWI), Amsterdam, The Netherlands, May 14, 1992.
- Sets of mutually disjoint blocks in Steiner systems, Eindhoven University of Technology, The Netherlands, April 8, 1992.
- Transversals in Latin squares, Eindhoven University of Technology, The Netherlands, October 2, 1991.
- Quantum cryptography, University of Aarhus, Denmark, May 14, 1990.
- Hadamard matrices, University of Aarhus, Denmark, April 4, 1990.

See also:
Contact:
CentERPO Box 90153
5000 LE Tilburg
The Netherlands
