This paper introduces a bi-objective winner determination problem which arises in the procurement oftransportation contracts via combinatorial auctions. The problem is modelled as an extension to the setcovering problem and considers the minimisation of the total procurement costs and the...

Evolution strategies (ES) are efficient optimization methods for continuous problems. However, many combinatorial optimization methods can not be represented by using continuous representations. The development of the network random key representation (Rothlauf et al., 2001) which represents...

Ziel dieses Übungsbuches ist es, den Studierenden eine umfassende Möglichkeit zu geben, ihre bereits erworbenen Statistik-Kenntnisse intensiv zu nutzen und zu vertiefen. Dazu dienen die zahlreichen praxisorientierten Übungsaufgaben zur beschreibenden Statistik, Wahrscheinlichkeitsrechnung und...

This study adopts the logic of Systems Thinking and Control Systems, presenting a simple but complete theory called the Theory of Combinatory Systems. This new theory is able to describe, interpret, explain, simulate and control collective phenomena and their observable effects. Despite specific...

Dado un conjunto con determinada cantidad de elementos, es posible calcular la cardinalidad del conjunto formado por todos los subconjuntos del conjunto dado, que cumplen con la propiedad de ser disjuntos y tal que además la unión de todos ellos sea el conjunto original. Esto es, determinar el...