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Periodic solutions for small and large delays in a tumor-immune system model.

Yafia, Radouane — 2006

Electronic Journal of Differential Equations (EJDE) [electronic only]

Stability and Hopf bifurcation in a haematopoietic stem cells model.

Talibi Alaoui, Hamad; Yafia, Radouane — 2004

Electronic Journal of Differential Equations (EJDE) [electronic only]

The effect of time delay and Hopf bifurcation in a tumor-immune system competition model with negative immune response

Radouane Yafia — 2009

Applicationes Mathematicae

We consider a system of delay differential equations modelling the tumor-immune system competition with negative immune response and three positive stationary points. The dynamics of the first two positive solutions are studied in terms of the local stability. We are particularly interested in the study of the Hopf bifurcation problem to predict the occurrence and stability of a limit cycle bifurcating from the second positive stationary point, when the delay (taken as a parameter) crosses some...

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Currently displaying 1 – 3 of 3

Periodic solutions for small and large delays in a tumor-immune system model.

Stability and Hopf bifurcation in a haematopoietic stem cells model.

The effect of time delay and Hopf bifurcation in a tumor-immune system competition model with negative immune response