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1. The RWPRI geometries of the symmetric group Sym(7). Seminar RUG-ULB on Finite Geometries. February 16, 1996. University of Gent. 2. An Introduction to Research in Incidence Geometry. Algebra seminar. April 18, 1997. University of Sydney. 3. An Introduction to Research in Incidence Geometry. Invited talk. April 21, 1997. University of Newcastle, Australia. 4. The RWPRI geometries of the Suzuki simple group Sz(8). Third International Conference on Finite Geometry and Combinatorics. May 18-24, 1997. 5. The RWPRI geometries of the Suzuki simple group Sz(8). Groups St Andrews 1997 in Bath. July 26-August 9, 1997. 6. Exploring the O'Nan group with MAGMA. Seminar RUG-ULB on Finite Geometries. January 30, 1998. University of Gent. 7. The Residually Weakly Primitive Geometries of the Suzuki groups. Discrete Algebra and Geometry Day. March 20, 1998. 8. Geometries for the Suzuki simple groups Sz(q). Combinatorics '98. June 14-20, 1998. 9. Thin regular geometries constructed from finite groups. 21ste Discrete Dag. December 11, 1998. 10. Constructing coset geometries with MAGMA. Invited talk. April 22, 1999. University of Newcastle, Australia. 11. Constructing coset geometries with MAGMA. Algebra Seminar. April 23, 1999. University of Sydney. 12. Incidence geometry and finite groups. (Moufang) Polygons and (Twin) Buildings. June 21-25, 1999. 13. On a rank five geometry of Meixner for the Mathieu group M_12. Kolloquium des Instituts der Fachbereich für Mathematik und Informatik. October 26, 1999. Martin-Luther-Universität Halle-Wittenberg. 14. On a rank five geometry of Meixner for the Mathieu group M_12. Seminar RUG-ULB on Finite Geometries. March 17, 2000. University of Gent. 15. RWPRI coset geometries: a survey. INDAM Intensive Session on Groups and Geometries, Milan, May-June, 2000. 16. Incidence Geometry, Finite Group Theory and Computer Algebra. Universiteit Nijmegen. November 23, 2000. 17. Equipped Affine Spaces. Seminar RUG-ULB on Finite Geometries. May 4, 2001. University of Gent. 18. Geometries for the Mathieu group M_23. EIDMA Symposium 2001. October 25-26, 2001. Oostende. 19. RWPRI and (2T)_1 flag-transitive linear spaces. Finite Geometries. December 3-8, 2001. Oberwolfach. Picture available 20. Incidence Geometry, Finite Group Theory and Computer Algebra. Joint Seminar Monash University-Deakin University, Melbourne, January 21, 2002. 21. Computational methods in Incidence Geometry. Computational Algebra Seminar, January 31, 2002. University of Sydney. 22. Incidence Geometry, Finite Group Theory and Computer Algebra. EIDMA Minicourse on "New Approaches to Computing Finite Groups Invariants", April 15-19, 2002, Free University of Brussels. 23. Residually weakly primitive sporadic geometries. First Irsee Conference on Finite Geometries, February 16-21, 2003. Irsee. 24. Quotients of a Universal Locally Projective Polytope of type {5,3,5}. Seminar RUG-ULB on Finite Geometries. May 16, 2003. Free University of Brussels. 25. A family of geometries related to the Suzuki tower. Workshop on Incidence Geometry. December 9-12, 2003. Adelaide. 26. The residually weakly primitive geometries of HS. 28th Australasian Conference on Combinatorial Mathematics and Combinatorial Computing. December 15-19, 2003. Melbourne. 27. An algorithmic analysis of the intersection property. Seminar UGent-ULB on Finite Geometries. April 30, 2004. Universiteit Ghent. 28. La vie d'un chercheur en mathématique. Haute Ecole Galilée. May 12, 2004. 29. A generalization of a geometric construction due to Van Nypelseer. EIDMA Symposium 2004, November 25-26, 2004. Mierlo, The Netherlands. 30. Les débouchés professionnels pour les mathématiciens. Contact Day for Highschool teachers and students. February 25, 2005. Université Libre de Bruxelles. 31. Exploring incidence geometries with Magma. Magma workshop on Group Theory and Algebraic Geometry, University of Warwick, August 22-26, 2005. 32. Incidence geometry, finite group theory and computational algebra. Combinatorics seminar. October 5, 2005. Massachussets Institute of Technology. 33. The Suzuki simple groups Sz(q) seen as automorphism groups of some geometric structures. Number Theory seminar. October 19, 2005. Harvard University. 34. Atlases of abstract regular polytopes. Geometry, Algebra, Singularities and Combinatorics seminar. October 24, 2005. Northeastern University. 35. Atlases of abstract regular polytopes. Seminar UG-ULB-VUB on Finite Geometries. November 9, 2005. 36. Experimental and theoretical results on abstract regular polytopes. Algebra Seminar. February 27, 2006. University of Kent. 37. A generalization of a construction due to Van Nypelseer. Pure Mathematics Seminar - Mini Symposium. August 11, 2006. University of Western Australia. 38. The Mathieu groups and their geometries. Second Irsee Conference on Finite Geometries, September 10-16, 2006. Irsee. 39. From groups to polytopes. Sixth Slovenian International Conference on Graph Theory, Special Session on Symmetry in Polyhedra and Polytopes, June 26-30, 2007. Bled. 40. On computing subgroup lattices of sporadic groups with Magma. Department of Mathematics Seminar. October 12, 2007. University of Auckland. 41. On computing subgroup lattices of sporadic groups with Magma. October 19, 2007. Deakin University, Melbourne. 42. On computing subgroup lattices of sporadic groups with Magma. Computational Algebra Seminar, November 22, 2007. University of Sydney. 43. On computing subgroup lattices of sporadic groups with Magma. Pure Mathematics Seminar. November 30, 2007. University of Western Australia. 44. Apartments in incidence geometry. Coloquio Víctor Neumann-Lara de Teoría de las Gráficas, Combinatoria y sus Aplicaciones, Zacatecas (Mexique), 3-7 March 2008. 45. On computing subgroup lattices of sporadic groups with Magma. Seminar UG-ULB-VUB on Finite Geometries, April 11, 2008. 46. Atlases of geometric structures. 4th International Conference on Combinatorial Mathematics and Combinatorial Computing, Auckland (New Zealand), 15-19 December 2008. 47. Locally s-arc-transitive graphs related to sporadic simple groups. Group Theory, Combinatorics and Computation, Perth (Australia), January 5-16, 2009 48. Groups and Polytopes. Colloquium, University of Ljubljana, Slovenia, April 9, 2009. 49. On the number of abstract regular polytopes whose automorphism group is a Suzuki simple group Sz(q). Galois Gemoetries and Applications, Ghent (Belgium), May 25-29, 2009. |
