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KPP–Fisher equation
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Not to be confused with the Fisher equation in financial mathematics.
In mathematics, KPP–Fisher equation (named after Andrey Kolmogorov, Ivan Petrovsky, Nikolai Piskunov[1] and Ronald Fisher[2]) also known as the KPP equation, Fisher equation or Fisher–KPP equation is the partial differential equation:
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/6/64/FKPPwiki.jpg/640px-FKPPwiki.jpg)
It is a kind of reaction–diffusion system that can be used to model population growth and wave propagation.