Dr. Jiamou Liu (Department of Computer Science, The University of Auckland, New Zealand)
        [Hierarchies, ties and power in organizational networks: model and analysis]

Dr. Jiamou Liu (Department of Computer Science, The University of Auckland, New Zealand)

2016-12-01 09:30(星期四)

数学院南楼N420
        Abstract of the Seminar:
        An organizational structure consists of a network where employees are connected by working and social ties. Analyzing this network, one can discover valuable insights into information flow within the organization. We develop this idea and propose a simple network model that is consistent with management theory, and that captures main traits of large corporations. Using a centrality-based definition of power, we are able to identify important individuals in the network. Our model provides novel insights into a range of organizational properties: (1) Organizations have limited hierarchy height. (2) Flattening, the process when a business changes from a tall to a flat hierarchy by delayering, is intimately related to changes in the power of employees. (3) Informal relations significantly impact power of individuals. (4) Leadership styles could be reflected and analyzed through understanding weights on the ties in an organizational network. BIO:Jiamou Liu is a Lecture at the Department of Computer Science of The University of Auckland in New Zealand. His main research activities involve exploring the algorithmic and mathematical aspects of social networks; topics of interests include interpersonal ties, influence, communities structures, information diffusion and social cohesion. He is also interested in pure and applied aspects of logic, algorithmic model theory, computational complexity and automata theory.
 
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