Presentations at Conferences and Seminars

18th Cologne-Twente Workshop on Graphs and Combinatorial Optimization CTW 2020, Ischia, Italy, September 14-16, 2020, talk "Embedding K₅ and K_3,3 on orientable surfaces"

(on-line)

Data and Knowledge Engineering Seminar, School of Computer Science and Informatics, Cardiff University, Cardiff, UK, 4 November 2019, talk "Pattern-based approach to the workflow satisfiability problem with user-independent constraints"

Welsh Mathematics Colloquium Gregynog 2019, Gregynog Hall, Newtown, Wales (UK), 20-22 May 2019, talk "Obstructions for the torus and proving non-toroidality"

Physical Sciences and Engineering College Symposium: Sustainable Futures, Cardiff, UK, 9 May 2019, talk "Mathematical modelling and experiments for refuelling alternative fuel vehicles in road networks" (invited)

Discrete Mathematics and Data Science Seminar, School of Mathematics, Cardiff University, Cardiff, UK, 20 November 2018, talk "Embedding graphs containing K₅-subdivisions on the torus and proving non-toroidality"

Computer Science Departmental Seminar, University of Manitoba, Winnipeg, Canada, June 19, 2018, talk "Embedding graphs containing K₅-subdivisions on the torus and proving non-toroidality" (invited)

Welsh Mathematics Colloquium Gregynog 2018, Gregynog Hall, Newtown, Wales (UK), 21-23 May 2018, talk "k-Domination in graphs and placement of electric vehicle charging stations in road networks"

Data and Knowledge Engineering Seminar, School of Computer Science and Informatics, Cardiff University, Cardiff, UK, 30 October 2017, talk "k-Domination models for placement of electric vehicle charging stations in road networks"

8th International Conference on Computational Logistics ICCL 2017, Southampton, United Kingdom, October 18-20, 2017, talk "k-Domination models for placement of electric vehicle charging stations in road networks"

Mathematics, Statistics and Computer Science Seminar (mini-symposium), St Francis Xavier University, Antigonish (Nova Scotia), Canada, May 29, 2017, talk "Bounds and heuristics for limited packings in graphs"

Discrete Mathematics and Data Science Seminar, School of Mathematics, Cardiff University, Cardiff, UK, 17 March, 2017, talk "The bondage number of graphs on topological surfaces and Teschner's conjecture"

Data and Knowledge Engineering Seminar, School of Computer Science and Informatics, Cardiff University, Cardiff, UK, 21 November, 2016, talk "Fixed-parameter tractable algorithms for the workflow satisfiability problem with user independent constraints"

9th International Frontiers in Algorithmics Workshop FAW 2015, Guilin, China, July 3-5, 2015, talk "Pattern backtracking algorithm for the workflow satisfiability problem with user-independent constraints"

9th International Colloquium on Graph Theory and Combinatorics ICGT 2014, Grenoble, France, June 30 - July 4, 2014, talk "Bounds and algorithms for limited packings in graphs"

Canadian Mathematical Society Summer Meeting 2014, Winnipeg (Manitoba), Canada, June 6-9, 2014, session Graphs and Hypergraphs, talk "The bondage number of graphs on topological surfaces and Teschner's conjecture" (invited)

Pure Mathematics Seminar, Royal Holloway, University of London, Egham, UK, 26 November, 2013, talk "The bondage number of graphs on topological surfaces and Teschner's conjecture"

24th British Combinatorial Conference BCC24, Egham, England, 30 June - 5 July, 2013, talk "Embedding graphs containing K₅-subdivisions on the torus"

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 K_3,3'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 K_3,3's"

20th British Combinatorial Conference BCC20, Durham, England, 11 - 15 July, 2005, talk "Structure and enumeration of toroidal and projective-planar graphs with no K_3,3'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 K_3,3 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 K_3,3"

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 K_3,3"

Combinatorial Algorithms Group Seminar, CAG, University of Victoria, Victoria (British Columbia), Canada, June 23, 2004, talk "Projective-planar and toroidal graphs avoiding K_3,3-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"