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Relaxation oscillations and canards of a regulated two–gene model

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Abstract We investigate a two–gene system with an autoregulatory feedback loop using geometric singular perturbation theory. We identify (coexisting) relaxation oscillations, singular Hopf bifurcations, homoclinic loops etc. We also demonstrate… Click to show full abstract

Abstract We investigate a two–gene system with an autoregulatory feedback loop using geometric singular perturbation theory. We identify (coexisting) relaxation oscillations, singular Hopf bifurcations, homoclinic loops etc. We also demonstrate a new method to compute the criticality of the singular Hopf bifurcations.

Keywords: regulated two; canards regulated; oscillations canards; two gene; relaxation oscillations

Journal Title: Journal of Mathematical Analysis and Applications
Year Published: 2021

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