Graphs and Games Seminar, Dalhousie University, Halifax (Nova Scotia), Canada, December 7, 2011, talk "Randomized algorithms and upper bounds for multiple domination in graphs and networks"
Department of Mathematics and Statistics Seminar, Acadia University, Wolfville (Nova Scotia), Canada, November 18, 2011, talk "Randomized algorithms and upper bounds for multiple domination in graphs and networks"
7th East Coast Combinatorics Conference ECCC 2011, Acadia University, Wolfville (Nova Scotia), Canada, May 4-6, 2011, talk "Upper bounds for the bondage number of graphs on topological surfaces"
4th East Coast Combinatorics Conference ECCC 2008, St Francis Xavier University, Antigonish (Nova Scotia), Canada, May 1-2, 2008, talk "Upper bounds for the alpha-domination number"
Computer Science Seminar, Acadia University, Wolfville (Nova Scotia), Canada, February 2, 2007, talk "Toroidal and projective-planar graphs avoiding K3,3's: detection algorithms and structure"
Séminaire départemental, Département d'Informatique, UQAM, Montréal (Québec), Canada, 8 mars 2006, l'exposé "Méthodes de correction des erreurs systématiques et d'amélioration du choix des éléments actifs pour la recherche de médicaments"
7th International Colloquium on Graph Theory ICGT'05, Hyères, France, 12 - 16 September, 2005, talk "Forbidden minors and subdivisions for toroidal graphs with no K3,3's"
20th British Combinatorial Conference BCC20, Durham, England, 11 - 15 July, 2005, talk "Structure and enumeration of toroidal and projective-planar graphs with no K3,3's"
12èmes Rencontres de la Société Francophone de Classification SFC'05, Montréal (Québec), Canada, 30 mai - 1er juin 2005, l'exposé "Une classification des graphes sans K3,3 plongeables sur le plan projectif ou sur le tore"
Séminaire de Combinatoire et d'Informatique Mathématique, LaCIM, UQAM, Montréal (Québec), Canada, 25 février 2005, l'exposé "Structure et dénombrement des graphes toroïdaux sans K3,3"
Séminaire de Combinatoire et d'Informatique Mathématique, LaCIM, UQAM, Montréal (Québec), Canada, 22 octobre 2004, l'exposé "Dénombrement des graphes projectifs-planaires étiquetés sans subdivision de K3,3"
Combinatorial Algorithms Group Seminar, CAG, University of Victoria, Victoria (British Columbia), Canada, June 23, 2004, talk "Projective-planar and toroidal graphs avoiding K3,3-subdivisions: detection, forbidden minors and enumeration"
19th British Combinatorial Conference BCC19, Bangor, Wales, 29 June - 4 July, 2003, talk "How to detect a projective planar or toroidal graph"
Combinatorics and Theoretical Computer Science Seminar, LaCIM, UQAM, Montreal (Quebec), Canada, May 2, 2003, talk "Embedding graphs containing K5-subdivisions"