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Europe's present is marked by doubts, questions, certainties, but especially by uncertainties. Starting from these ideas, the attempt to understand the present leads us to numerous research paths, towards the questioning of the past in order to understand the present, which in turn conditions the future. In our opinion, by following this course, students must understand the fact that the structure, which is in the process of articulation, namely the European Union, represents the moment of an evolution. Once this issue has been understood, it should be easy to perceive the nature of the...

This book represents Alina Stoica's PhD dissertation. The main goal of the research was to characterize individuals connected in a social network by analyzing the local structure of the graph. For that, a method that describes the way nodes are embedded in the network was proposed. The method is related to the analysis of egocentred networks in sociology and to the local approach in the study of complex graphs. It can be applied to small networks, to fractions of networks and also to large networks, due to its small complexity. The proposed method was applied to two large social networks, one...

The beginning of the millennium has been influenced by a visible acceleration of the globalisation process. A complex and dynamic phenomenon, it has generated a series of consequences at the political, strategic and military levels, as well as the cultural level. The increase of interdependence between actors on the international stage, modern technologies, means of communication, cross-border relations, and the constant flux of goods, capital, services and people entail major changes for the tools used by states in international relations. In this context, states are obligated to identify...