Erwin Pesch

Complexity of Scheduling Problems with Late (2000)

Jacek B La_zewicz, Ma Lgorzata Sterna, Erwin Pesch, Frank Werner

The criteria based on the late work parameter are examples of non-classical performance measures involving due dates. Classical criteria calculate the penalty for late tasks with respect to their...

Constraint Propagation in Open Shop Scheduling (2000)

Ulrich Dorndorf, Erwin Pesch

We present a branch-and-bound algorithm for the open shop problem which performs better than other exact procedures. The key to the eciency of our algorithm lies in the following approach: instead of...

Scheduling freight trains in rail-rail transshipment yards

Nils Boysen, Erwin Pesch

Transshipment yards, where gantry cranes allow for an effcient transshipment of containers between different freight trains, are important entities in modern railway systems and facilitate the...

A single-item economic lot-sizing problem with a non-uniform resource: Approximation

Chubanov, Sergei, Kovalyov, Mikhail Y., Pesch, Erwin

We study a generalization of the classical single-item capacitated economic lot-sizing problem to the case of a non-uniform resource usage for production. The general problem and several special...