期刊
PHYSICAL REVIEW LETTERS
卷 98, 期 9, 页码 -出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.98.098103
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The spread in time of a mutation through a population is studied analytically and computationally in fully connected networks and on spatial lattices. The time t(*) for a favorable mutation to dominate scales with the population size N as N(D+1)/D in D-dimensional hypercubic lattices and as NlnN in fully-connected graphs. It is shown that the surface of the interface between mutants and nonmutants is crucial in predicting the dynamics of the system. Network topology has a significant effect on the equilibrium fitness of a simple population model incorporating multiple mutations and sexual reproduction.
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