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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
Corrections to Finite Size Scaling in Percolation
P. M. C. de Oliveira, R. A. Nobrega, D. Stauffer
A 1/L-expansion for percolation problems is proposed, where L is the lattice finite length. The square lattice with 27 different sizes L = 18, 22 ... 1594 is considered. Certain sp…