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cond-mat.stat-mech2003
Penna bit-string model with constant population
S. Moss de Oliveira, P. M. C de Oliveira, J. S. Sa Martins
We removed from the Penna model for biological ageing any random killing Verhulst factor. Deaths are due only to genetic diseases and the population size is fixed, instead of fluct…
cond-mat.stat-mech2003★ 2 cited
Asymmetry in hierarchy model of Bonabeau et al
D. Stauffer, J. S. Sa Martins
The 1995 model of Bonabeau et al. explains the emergence of social hierarchies through randomness, but gives as many leaders as followers. A simple modification allows a more reali…
cond-mat.stat-mech2003★ 1 cited
Simulation of Galam's contrarian opinions
D. Stauffer, J. S. Sa Martins
Galam's model of people voting always against the majority is shown to give for the quenched case different results than the original annealed model. For people diffusing on a latt…