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# On Integrability of the FitzHugh – Rinzel Model

2019, Vol. 15, no. 1, pp.  13-19

Author(s): Kudryashov N. A.

The integrability of the FitzHugh – Rinzel model is considered. This model is an example of the system of equations having the expansion of the general solution in the Puiseux series with three arbitrary constants. It is shown that the FitzHugh – Rinzel model is not integrable in the general case, but there are two formal first integrals of the system of equations for its description. Exact solutions of the FitzHugh – Rinzel system of equations are given.
Keywords: FitzHugh – Rinzel model, Painlevé test, first integral, general solution, exact solution
Citation: Kudryashov N. A., On Integrability of the FitzHugh – Rinzel Model, Rus. J. Nonlin. Dyn., 2019, Vol. 15, no. 1, pp.  13-19
DOI:10.20537/nd190102