Date: May, 2nd, 11h30 Place: ULB Bruxelles Abstract: Many planning and location problems in forestry, mining, political districting, farmland consolidation, as well as in data mining, entail the selection of a subset, or a partition into subsets, that should satisfy some, often ill-specified, shape constraints. A typical such shape constraint…
Date: April, 29th, 11h30 Place: Room Rotule NO8 – ULB Bruxelles Abstract: We study combinatorial games arising from removing arcs from a network, to disconnect two distinguished nodes s and t. First we study a two-person zero-sum game where one player, the attacker, chooses every few minutes a set of…
Date: March, 3rd, 11h30 Place: Room Rotule NO8 – ULB Bruxelles Abstract: Soccer has become a major business involving many stakeholders, such as teams, police, fans, sponsors, and broadcasting companies. Huge amounts of money are being paid for the broadcasting rights, illustrating the economic value of soccer competitions. It also…
Date: March, 1st, 14h00 Place: Room B31 – INRIA Lille – Nord Europe Abstract: City Logistics has been introduced to study and understand the transport activities in urban areas. Optimisation of urban delivery planning needs to take into account the dynamics of the city in order to provide efficient services.…
Date: February, 23rd, 11h30 Place: Room Rotule NO8 – ULB Bruxelles Abstract: The subject of this talk is the study of the Lovasz-Schrijver PSD-operator N+ applied to the edge relaxation ESTAB(G) of the stable set polytope STAB(G) of a graph. We are particularly interested in the problem of characterizing the…