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  • Stability analysis of the singular points and Hopf bifurcations of a tumor growth control model [Elektronski vir]
    Drexler, Dániel András ; Nagy, Ilona, matematika ; Romanovski, Valery
    We carry out qualitative analysis of a fourth-order tumor growth control model using ordinary differential equations. We show that the system has one positive equilibrium point, and its stability is ... independent of the feedback gain. Using a Lyapunov function method, we prove that there exist realistic parameter values for which the systems admit limit cycle oscillations due to a supercritical Hopf bifurcation. The time evolution of the state variables is also represented.
    Source: Mathematical methods in the applied sciences [Elektronski vir]. - ISSN 1099-1476 (Vol. 47, iss. 7, 15 May 2024, str. 5677-5691)
    Type of material - e-article ; adult, serious
    Publish date - 2024
    Language - english
    COBISS.SI-ID - 184526595
    DOI