in this study the location routing problem with fuzzy parameters is taken into account, this problem involves determining the location of the depots and routing of the vehicles in order to serve the customers. in this study a location routing problem with fuzzy travel times and due dates is considered and two objective models are proposed. the considered objectives are minimizing the total cost...

international travel has become increasingly common and accessible, hence, about two billion passengers undertake international and domestic air travel each year. venous thromboembolism (vte) is a serious public health disorder which may occur following prolonged travel, especially after air travel. a direct relation between vte development and prolonged travels has been documented, while some ...

background cutaneous leishmaniasis is the most common form of leishmaniasis caused by flagellate protozoa of the genus leishmania transmitted by sand fly bites. old world leishmaniasis is endemic in the mediterranean sea and the neighbouring countries. we believe, that this case is interesting by the fact that we had a very rear disease case that can be observed in nonendemic area. we present a...

We consider three models of investments in generation capacity in restructured electricity systems that differ by their underlying economic assumptions. The first model assumes a perfect, competitive equilibrium. It is very similar to the old capacity expansion models even if its economic interpretation is different. The second model (open-loop Cournot game) extends the Cournot model to include...

Ein Identitätsmanagementsystem ermöglicht es dem Benutzer, verschiedene Identitäten zu definieren und zu wählen, in welcher Rolle er gegenüber dem Kommunikationspartner auftritt und welche Informationen er über sich offenbart. Das Ziel dieser Arbeit ist es, einen Überblick über existierende Anwendungen für Identitätsmanagement im Internet zu geben und diese hinsichtlich der Erfüllung von Privat...