Exact traveling wave solutions of one-dimensional models of cancer invasion
Abstract
In this paper we consider continuous mathematical models of tumour growth and invasion based on the model introduced by Chaplain and Lolas Chaplain&Lolas2006, for the case of one space dimension. The models consist of a system of three coupled nonlinear reaction-diffusion-taxis partial differential equations describing the interactions between cancer cells, the matrix degrading enzyme and the tissue. For these models under certain conditions on the model parameters we obtain exact analytical solutions in terms of traveling wave variables. These solutions are smooth positive definite functions for some of which whose profiles agree with those obtained from numerical computations Chaplain&Lolas2006 for not very large time intervals.
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