Game Theory and Mathematical Economics Research Seminar
Lecturer:
Dr. Ron Peretz (Bar Ilan University)
Title:
Authority Measure for Opinion Dynamics
Abstract:
We propose a formal framework for measuring the authority of individuals in a setting of opinion dynamics. Our framework is based on an axiomatic approach in the tradition of coalitional game theory. We show that the unique solution concept satisfying our axioms is a generalization of the "authority distribution" notion of Hu and Shapley (GEB 2003). A novelty of our approach is that it is based on the dynamics of opinion exchange rather than on network topology. However, for any fixed opinion dynamics, our approach associates a network centrality measure with any given network topology. Previous as well as new network centrality measures are obtained in this way.
Joint work with Igal Milchtaich and Yevgeny Tsodikovich.
Location:
Eilan Hall, Feldman Building, Second Floor, Edmond Safra Campus.