Geodesic
Mathematical problems of the dynamics of the red blood cells
Mathematica Applicanda, Tome 4 (1976) no. 6, pp. 23-40.

Voir la notice de l'article provenant de la source Annales Societatis Mathematicae Polonae Series

The purpose of this paper is to construct a model for the process of generation and degeneration of red blood cells, taking into account biological-medical experimental data. The paper contains four sections. The first section presents basic biological facts enabling the reader who is not a specialist to understand this process. Section 2 is devoted to constructing an analytic model which uses a first order linear partial differential equation and a nonlinear integral equation. Section 3 lists some of the simplest mathematical properties of this model and the biological consequences arising from it. Section 4 gives a simplified model which can be described in terms of a nonlinear ordinary differential equation with a delayed parameter. The properties of this simple equation are of interest from both a mathematical and a biological point of view. In particular, the proof of the existence of periodic equations requires the application of a nontrivial version of a theorem on fixed points. The problem of the stability of this periodic solution is open. The problem is important in that the existence of a stable periodic solution gives a theoretical explanation of certain types of blood diseases.
DOI : 10.14708/ma.v4i6.1173
Mots-clés : 97M60 
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M. Ważewska-Czyżewska; A. Lasota. Mathematical problems of the dynamics of the red blood cells. Mathematica Applicanda, Tome 4 (1976) no. 6, pp.  23-40. doi : 10.14708/ma.v4i6.1173. http://geodesic.mathdoc.fr/articles/10.14708/ma.v4i6.1173/

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