This paper considers a model of economic network characterized by an endogenous architecture and frictions in the relations among agents as described in Bala and Goyal (2000). We propose a similar network model with the difference that frictions in the relations among agents are endogenous....

Transportnetzwerk-Design ist eines der bedeutenden Anwendungsfelder des Operations Research und der mathematischen Optimierung. Es birgt große Potentiale zur Kostenreduktion und zur Verbesserung der Service-Qualität. Insbesondere gilt dies für die Planung von großen Regelnetzen, bei denen...

The paper describes an algorithm for the generation of a general class of precedence- and resource-constrained scheduling problems. Easy and hard instances for the single- and multi-mode resource-constrained project scheduling problem are benchmarked by using the state of the art...

The continuous transformation of the industrial society into a service and knowledge society is accompanied by profound change of demand: Customer requests will increasingly focus on individual products, shorter delivery times and appropriate prices. To encounter these challenges under the...