Global stability in a nonautonomous genotype selection model
Author:
Chuanxi Qian
Journal:
Quart. Appl. Math. 61 (2003), 265-277
MSC:
Primary 39A11; Secondary 92D10, 92D25
DOI:
https://doi.org/10.1090/qam/1976369
MathSciNet review:
MR1976369
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Abstract: Consider the nonautonomous difference equation \[ y_{n + 1} = \frac { y_n \exp \left ( \beta _n \left ( 1 - \sum \nolimits _{i = 0}^k \alpha _i y_{n - i} \right ) \right )} {1 - y_n + y_n \exp \left ( \beta _n \left ( 1 - \sum \nolimits _{i = 0}^k \alpha _i y_{n - i} \right ) \right )}, n = 0, 1,..., \qquad \left ( 0.1 \right )\] where $k$ is a nonnegative integer, $\alpha _0, \alpha _1, \dots , \alpha _{k - 1}$ are nonnegative constants, $\alpha _k$ is a positive constant and $\left \{ \beta _n \right \}$ is a nonnegative sequence, which is used as a genotype selection model. In this paper, we first establish some criteria for the positive equilibrium of Eq. (0.1) to be globally asymptotically stable. Then some special cases of Eq. (0.1) are investigated further and more global stability results are obtained. Our results also extend and improve some known results in the literature.
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R. M. May, Course 8: Nonlinear problems in ecology and resource management, in R. H. G. Helleman, G. Iooss, and R. Stora, editors, Chaotic Behavior of Deterministic Systems, North-Holland Publ. Co., 1983
- Chuanxi Qian, Global attractivity in nonlinear delay difference equations, Bull. Inst. Math. Acad. Sinica 24 (1996), no. 3, 187–204. MR 1409903
E. A. Grove, V. L. Kocić, G. Ladas, and R. Levins, Oscillation and stability in a simple genotype selection model, Quart. Appl. Math. 52 , 499–508 (1994)
E. A. Grove, V. L. Kocić and R. Levins, Periodicity in a simple genotype selection model, Differential Equations Dynam. Systems 1, 35–50 (1993)
E. A. Grove, V. L. Kocić, G. Ladas, and R. Levins, Oscillation and stability in a genotype selection model and several delays. Difference Equations: theory and applications, J. Differential Equations Appl. 2, 205–217 (1996)
E. A. Grove, G. Ladas, and C. Qian, Global attractivity in a “food-limited” population model, Dynamical Systems Appl. 2, 243–250 (1993)
V. L. Kocić and G. Ladas, Global Asymptotic Behavior of Nonlinear Difference Equations of Higher Order with Applications, Kluwer Academic Publishers, Dordrecht, 1993
V. Lakshmikantham and D. Trigiante, Theory of Difference Equations: Numerical Methods and Applications, Academic Press, Inc., 1987
H. Matsunaga, T. Hara, and S. Sakata, Global attractivity for a nonlinear difference equation with variable delay, Comput. Math. Appl. 41, 543–551 (2001)
R. M. May, Course 8: Nonlinear problems in ecology and resource management, in R. H. G. Helleman, G. Iooss, and R. Stora, editors, Chaotic Behavior of Deterministic Systems, North-Holland Publ. Co., 1983
C. Qian, Global attractivity in nonlinear delay difference equations, Bull. Institute Math. Acad. Sinica 24, 187–204 (1996)
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© Copyright 2003
American Mathematical Society