A mathematical model for Neanderthal extinction

Details A mathematical model for Neanderthal extinction A mathematical model for Neanderthal extinction

1997-12-12

arxiv.org/abs/physics/9712024v1

Physics

Biological Physics

9 pages, 3 figures, latex, accepted in Journal of Theoretical Biology

Scientific paper

A simple mathematical homogeneous model of competition is used to describe Neanderthal extinction in Europe. It considers two interacting species, Neanderthals and Early Modern Men, in the same ecological niche. Using paleontological data we claim that the parameter of similarity, between both species, fluctuates between 0.992 and 0.997. An extension of the model including migration (diffusion) is also discussed nevertheless, extinction of Neanderthal seems unavoidable. Numerical analysis of travelling wave solution (fronts) comfirms the extinction. The wave-front-velocity is estimated from linear analysis and numerical simulations confirm this estimation. We conjecture a mathematical formulation for the principle of exclusion between competitive interacting species (Gause).

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