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Birth and death in a continuous opinion dynamics model |
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| Authors: | T. Carletti D. Fanelli A. Guarino F. Bagnoli A. Guazzini |
| Affiliation: | (1) Département de Mathématique, Facultés Universitaires Notre Dame de la Paix, 8 rempart de la vierge B5000, Namur, Belgium;(2) School of Physics and Astronomy, University of Manchester, M13 9PL Manchester, UK;(3) Université de la Polynésie Francaise, BP 6570, Faa’a, 98702, French Polynesia;(4) Dipartimento di Energetica and CSDC, Università di Firenze, and INFN, via S. Marta, 3, 50139 Firenze, Italy |
| Abstract: | We here discuss the process of opinion formation in an open community where agents are made to interact and consequently update their beliefs. New actors (birth) are assumed to replace individuals that abandon the community (deaths). This dynamics is simulated in the framework of a simplified model that accounts for mutual affinity between agents. A rich phenomenology is presented and discussed with reference to the original (closed group) setting. Numerical findings are supported by analytical calculations. |
| Keywords: | KeywordHeading" >PACS 87.23.Ge Dynamics of social systems 05.45.-a Nonlinear dynamics and chaos |
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