- Some Facets of Multiple All Different Predicate, CPAIOR, Tepper School of Business, Carnegie Mellon University, May 27-31, 2009
- Polytope of All Different, University of Waterloo, January 2010
- Loop termination via automated computation of ranking function, Oakland Mathematics Colloquium, Rochester, MI, November 2008,
- Software validation via semidefinite programming, July 2008, MOPTA-2008, Guelph, ON, Canada
- Méthodes projectives en optimisation, Seminaire mathématique, Université de la Réunion, France, Juin 2007.
- Optimisation, Mathématiques du mieux, Séminaire mathématique pour enseignants, Université de la Réunion,
- Extrapolation algorithm for convex feasibility problems with application to Semidefinite Programming, OR Sem-
- inar, Melbourne, Australia, March 2007.
- Case study of an integer programming model for a timetabling problem, OR Seminar, Melbourne, Australia,
- A possible hybrid CP-IP approach to timetabling problems, G12 Seminar, Melbourne, Australia, February 2007.
- Timetabling Problems and the Interlaced Matching Polytope, Modeling and Optimization: Theory and Appli-
- cations, Waterloo, Canada, August 2006.
- Extrapolation algorithm for convex feasibility problems with application to Semidefinite Programming, 21st
- European Conference on Operational Research,Reykjavik, Iceland July 2006.
- Constraint Programming vs Integer Programming, Oakland Mathematics Colloquium, Rochester, MI, October
- Some Practical Approaches to NP-Hard Timetabling Problems, Seventh Midwest Optimization Seminar, Kala-
- Academic Misbehaviour; A survey of Oakland University Students, Originality, Imitation & Plagiarism: A
- Cross-Disciplinary Conference on Writing, Ann Arbor, MI, October 2005.
- Routing in Unidirectional (n, k)-Star Graphs, WMSCI2005 Conference, Orlando, FL, July 2005.
- Maximizing Satisfaction, Minimizing Annoyance and Scheduling of Instructors, Sigma Xi Seminar, Oakland
- University, Rochester, MI, March 2005.
- Neighborhood Packing and Dominating Set Problems, ICOTA2004, Ballarat, Australia, December 2004.
- Semidefinite Relaxations of the Dominating Set Problem, Sixth Midwest Optimization Seminar, Detroit, MI,
- Taking some advantage of sparsity in a primal-dual interior-point scheme, SIAM Annual Conference, Montreal,
- Mathematical Modelling, Kappa Mu Epsilon 2003 Initiation, Flint, MI, May 2003, Keynote address.
- The Projection-Reflection Method for Convex Feasibility, FourthMidwestern Optimization Seminar, Ann Arbor,
- Projections Methods for Linear Programs, Tutte Seminar, Waterloo, ON,Oct 2002.
- Flow formulations for the Student Scheduling Problem, The 4th international conference on the Practice And
- Theory of Automated Timetabling, Gent, Belgium, Aug 2002 .
- DIMACS Center for Discrete Math and Theoretical CS, Newark, NJ , Nov 2000, MAXCUT relaxation.
- Some NP-Hard scheduling problems, Mathematics Seminar, Guelph, ON, Jul 2002.
- The Gauss-Newton Direction in Semidefinite Programming, Math Programming Society Conference, Atlanta,
- Symbolic Differentiation of Matrix Functions, SIAM 99 Annual Conference, Atlanta, GA, Aug 1999.
- Hospital Management, SWORD 97 Conference, Waterloo, ON, Feb 1997. Third place in the Student Paper
- Semidefinite Programming and Nonlinear Optimization, SIAM 97 Optimization Conference, Victoria, BC, May
- Quadratic-Quadratic Programming, Numerical Analysis Day, London, ON, Feb 1996.
- Software development tools for micro computers, SIBEC Conference, Montreal, QC, Oct 1983.