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Special Semester on Quantitative Biology analyzed by Mathematical Methods
Linz, October 1, 2007 - January 27, 2008
Models for genetic evolution in large populations

Workshop on Biomechanics and Chemotaxis, Wed, 12 Dec, 2007

Speaker: Fabio Chalub

Abstract

A model for the evolution of a given population should
include both random evolution and natural selection.
In this talk we will define some finite population
evolutionary processes and find some Fokker-Planck
type partial differential equation as the large population
limit of these processes. These equations are of
degenerate type, i.e., coefficients are zero on the
boundaries and this introduces some technical problems.
We also obtain the replicator dynamics as the small
diffusion limit of these equations.

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