Abstract:
Sufficient conditions are obtained for permanence for a model of hematopoiesis: dN(t)/dt = -δN(t)-βθnN(t)/θn + Nn(t)+ 2βθnN(t-τ)/θn+Nn(t-τ) e-γτ,t≥0,where δ,β, θ,γ.τ∈ (0, +∞),n ∈ (1,+∞).
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