|Article title||SOME FEATURES OF DYNAMIC GRAPHS APPLICATIONS FOR CONSTRUCTION OF MOBILE AGENTS INTERACTION ALGORITHMS|
|Authors||А.А. Kochkarov, L.I. Sennikova, R.А. Kochkarov|
|Section||SECTION V. SYSTEM AND CONTROL POINTS|
|Month, Year||01, 2015 @en|
|Abstract||The concept of dynamic graph is introduced in the paper. Dynamic graph is defined as a sequence of "classic" (stationary) graphs, the transition between which are the complex and simple operations. The sequence of graphs forms a trajectory of the dynamic graph. Demonstrated that prefractal (fractal) graphs according to their definition are special case (sub-class) of dynamic graphs. Some properties of the dynamic graphs are reviewed. Dynamic graph is presented in this paper as a model of dynamic network, i.e. network that changes topology of relationships between its subscribers. Since one of the key metric characteristics of graphs is the diameter, strictly justified conditions for save diameter in the trajectory of the dynamic graph with the transit operation are presented also in the paper. As this operation, connection to graph a new vertex by one or more ribs is used. The interpretation of the hypothesis of "six handshakes" is shown from a position of dynamic theory of graphs. Justification of this hypothesis is suggested for "idealized" case. The question of inheritance in the trajectory of the dynamic graph is considered in context of preserving the metric characteristics. It is shown that diameter is able to maintain its value in a certain range with using proposed operations for transitions in the trajectory of dynamic graph, regardless of growth the number of the graph vertices. This important property has been applied widely to construct interaction algorithms of mobile agents when preservation of connectivity in network topology and preservation (not increase) the diameter of the network are required. The present work aims to demonstrate the potential of the emerging dynamic graph theory as a theoretical basis and for design algorithms for interaction of mobile agents, and to study complex networks of different physical and technical backgrounds.|
|Keywords||Dynamic graphs; dynamic network; network systems; the diameter of the graph; hypothesis of "six handshakes"; network to the mobile users.|
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