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INFO-F521

Graph theory

academic year
2026-2027

Course teacher(s)

Gwenaël JORET (Coordinator)

ECTS credits

5

Language(s) of instruction

english

Course content

Introductory course to graph theory. Topics covered include: 
- Matchings in bipartite and non-bipartite graphs;
- Connectivity (Menger's theorem, the structure of 2- and 3-connected graphs);
- Planar graphs (plane graphs, Euler's formula, Kuratowski's theorem);
- Coloring (coloring planar graphs, vertex- and edge-colorings, perfect graphs);
- Structural graph theory (treewidth, minors); 
- Extremal graph theory;
- Random graphs; 
- The probabilistic method. 
 

Objectives (and/or specific learning outcomes)

Graphs are simple and ubiquitous structures. The course aims at providing the student with the basics of graph theory, in a mathematically sound way. 

Teaching methods and learning activities

Lectures (24h), exercise sessions (12h). 

References, bibliography, and recommended reading

Reinhard Diestel, Graph Theory, Graduate Texts in Mathematics 173. Published by Springer. Available online for ULB students for free (need to be connected to the ULB network): https://link.springer.com/book/10.1007/978-3-662-70107-2

Other information

Contacts

Gwenaël JORET - Campus Plaine - Département d'Informatique - Bâtiment NO (gwenael.joret@ulb.be)

Campus

Plaine

Evaluation

Method(s) of evaluation

  • written examination

written examination

Written exam on theory and exercises. 

Mark calculation method (including weighting of intermediary marks)

Written exam: 20 points (half theory - half exercices)
 

Language(s) of evaluation

  • english

Programmes