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We study the existence of traveling wave solutions for a diffusivepredator-prey system. The system considered in this paper is governed by aSigmoidal response function which is more general than those studiedpreviously. Our method is an improvement to the original method introduced inthe work of Dunbar \cite{Dunbar1,Dunbar2}. A bounded Wazewski set is used inthis work while unbounded Wazewski sets were used in \cite{Dunbar1,Dunbar2}.The existence of traveling wave solutions connecting two equilibria isestablished by using the original Wazewski's theorem which is much simpler thanthe extended version in Dunbar's work.

Traveling wave solutions for a predator-prey system with Sigmoidal response function