Among the intuitively appealing aspects of graph theory is its close connection to drawings and geometry. The development of computer technology has become a source of motivation to reconsider these connections, in particular geometric graphs are emerging as a new subfield of graph theory.  Meer

The doctoral thesis investigates various strategies in the area of going and being international of retail firms which is of undisputable relevance due to the fairly narrow research status and the increasing internationalization of retail activities.  Meer