stability of limit cycle in a delayed model for tumor immune system competition with negative immune response
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ID: 222264
2006
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Abstract
This paper is devoted to the study of the stability of limit
cycles of a system of nonlinear delay differential equations with
a discrete delay. The system arises from a model of population
dynamics describing the competition between tumor and immune
system with negative immune response. We study the local
asymptotic stability of the unique nontrivial equilibrium of the
delay equation and we show that its stability can be lost through
a Hopf bifurcation. We establish an explicit algorithm for
determining the direction of the Hopf bifurcation and the
stability or instability of the bifurcating branch of periodic
solutions, using the methods presented by Diekmann et al.
| Reference Key |
yafia2006discretestability
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|---|---|
| Authors | ;Radouane Yafia |
| Journal | Journal of the American Heart Association |
| Year | 2006 |
| DOI |
10.1155/DDNS/2006/58463
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| URL | |
| Keywords |
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