Mackey-Glass model of hematopoiesis with non-monotone feedback: Stability, oscillation and control

被引:41
|
作者
Berezansky, Leonid [1 ]
Braverman, Elena [2 ]
Idels, Lev [3 ]
机构
[1] Ben Gurion Univ Negev, Dept Math, IL-84105 Beer Sheva, Israel
[2] Univ Calgary, Dept Math & Stats, Calgary, AB T2N 1N4, Canada
[3] VIU, Dept Math, Nanaimo, BC V9S 5J5, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
Mackey-Glass equation; Non-monotone feedback; Control and stabilization; Local and global asymptotic stability; Non-autonomous models; Permanence; Non-oscillation; Blood cell production; DELAY-DIFFERENTIAL EQUATIONS; POSITIVE PERIODIC-SOLUTIONS; GLOBAL ATTRACTIVITY; DEPENDENT STABILITY; EXISTENCE THEORY; CHAOTIC SYSTEMS; POPULATION; ABSOLUTE; DYNAMICS;
D O I
10.1016/j.amc.2012.12.043
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
For the blood cell production model with a unimodal (hump) feedback function dy/dt = -gamma y(t) + beta theta(n)y(t - tau)/theta(n) + y(n) (t -tau ) we review the known results and investigate generalizations of this equation. Permanence, oscillation and stability of the positive equilibrium are studied for non- autonomous equations, including equations with a distributed delay. In addition, a linear control is introduced, and possibilities to stabilize an otherwise unstable positive equilibrium are explored. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:6268 / 6283
页数:16
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