Existence and global attractivity of positive periodic solutions of a survival model of red blood cells
In this paper, we deal with a model for the survival of red blood Cells with periodic coefficients, x (t) = -mu(t) x (t) + P (t) e(-r(t)x(t-r(t))), t >= 0. Some new sufficient conditions are obtained for the existence and global attractivity of positive periodic solutions of the equation. (c) 2005 Elsevier Ltd. All rights reserved.
existence global attractivity periodic solution red blood cells coincidence degree