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While semidefinite relaxations are known to deliver good approximations for com-binatorial optimization problems like graph bisection, their practical scope is mostly associated with small dense instances. For large sparse instances, cutting plane techniques are considered the method of choice. These are also applicable for semidefinite relaxations via the… (More)

Given a graph G = (V, E) with node weights ϕ v ∈ N ∪ {0}, v ∈ V , and some number F ∈ N∪{0}, the convex hull of the incidence vectors of all cuts δ(S), S ⊆ V with ϕ(S) ≤ F and ϕ(V \ S) ≤ F is called the bisection cut polytope. We study the facial structure of this polytope which shows up in many graph partitioning problems with applications in VLSI-design… (More)

- Christoph Helmberg, Tu Chemnitz, Michael Armbruster, Marzena Fügenschuh, Tu Darmstadt, Alexander Martin
- 2007

The trade off between diversity and quality for multi-objective workforce scheduling p. 13 Evolving the structure of the particle swarm optimization algorithms p. 25 A tabu search algorithm for optimization of gas distribution networks p. 37 Design of a retail chain stocking up policy with a hybrid evolutionary algorithm p. 49 Parametrized GRASP heuristics… (More)

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