Mathematical analysis of stochastic models for tumor-immune systems

Details Mathematical analysis of stochastic models for tumor-immune systems Mathematical analysis of stochastic models for tumor-immune systems

2009-06-15

arxiv.org/abs/0906.2794v1

Mathematics

Dynamical Systems

19 pages, 28 figures

Scientific paper

In this paper we investigate some stochastic models for tumor-immune systems. To describe these models we used a Wiener process, as the noise has a stabilization effect. Their dynamics are studied in terms of stochastic stability in the equilibrium points, by constructing the Lyapunov exponent, depending on the parameters that describe the model. We have studied and analyzed a Kuznetsov-Taylor like stochastic model and a Bell stochastic model for tumor-immune systems. These stochastic models are studied from stability point of view and they were represented using the Euler second order scheme.

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