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  • Remco van der Hofstad - The Structure of Complex Networks: Scale-Free and Small-World Random Graphs

  • Posted in Video : Tuesday, May 15, 2018

    Abstract:
    Many phenomena in the real world can be phrased in terms of networks. Examples include the World-Wide Web, social interactions and Internet, but also the interaction patterns between proteins, food webs and citation networks.

    Many large-scale networks have, despite their diversity in backgrounds, surprisingly much in common. Many of these networks are small worlds, in the sense that one requires few links to hop between pairs of vertices. Also the variability of the number of connections between elements tends to be enormous, which is related to the scale-free phenomenon.

    In this lecture for a broad audience, we describe a few real-world networks and some of their empirical properties. We also describe the effectiveness of abstract network modeling in terms of graphs and how real-world networks can be modeled, as well as how these models help us to give sense to the empirical findings. We continue by discussing some random graph models for real-world networks and their properties, as well as their merits and flaws as network models. We conclude by discussing the implications of some of the empirical findings on information diffusion and competition on such networks.

    We assume no prior knowledge in graph theory, probability or otherwise.

    Presented by:
    Remco van der Hofstad
    Department of Mathematics and Computer Science
    Eindhoven University of Technology
    Web page

    Bio:
    Remco van der Hofstad received his PhD at the University of Utrecht in 1997. Since then, he worked at McMaster University in Hamilton, Canada, andDelft University of Technology.In 2002, he moved to Eindhoven University of Technology as an associate professor, and he is full professor in probability since 2002. Since 2011, he is scientific director of the workshop and visitor center in stochastics Eurandom. Remco received the Prix Henri Poincare 2003 jointly with Gordon Slade, the Rollo Davidson Prize 2007, and is a laureate of the 'Innovative Research VIDIScheme' 2003 and 'Innovative Research VICI Scheme' 2008. He is also one of the 11 co-applicants of the Gravitation program NETWORKS http://www.thenetworkcenter.nl/ .Remco is editor in chief of the `NetworkPages\u2019 http://www.networkpages.nl/ , an interactive website for everyone interested in networks. He wrote some 130 articles and 2 books, with 2 more books in preparation, and has supervised 19 PhD students and 15 postdocs.




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