Complex networks generated by the Penna bit-string model: emergence of small-world and assortative mixing.

Journal article

The Penna bit-string model successfully encompasses many phenomena of population evolution, including inheritance, mutation, evolution, and aging. If we consider social interactions among individuals in the Penna model, the population will form a complex network. In this paper, we first modify the Verhulst factor to control only the birth rate, and introduce activity-based preferential reproduction of offspring in the Penna model. The social interactions among individuals are generated by both inheritance and activity-based preferential increase. Then we study the properties of the complex network generated by the modified Penna model. We find that the resulting complex network has a small-world effect and the assortative mixing property.

Authors: Li, C; Maini, P

• Publication status: Published
• Journal: Physical review. E, Statistical, nonlinear, and soft matter physics
• Volume: 72
• Issue: 4 Pt 2
• Pages: 045102
• Publication date: 2005-10-01
• DOI: 10.1103/physreve.72.045102
• EISSN: 1550-2376
• ISSN: 1539-3755
• Language: English