‘Period doubling’ induced by optimal control in a behavioral SIR epidemic model

Sileshi Sintayehu Sharbayta, Bruno Buonomo, Alberto d'Onofrio and Tadesse Abdi

Chaos, Solitons & Fractals, 2022, vol. 161, issue C

Abstract: We consider a behavioral SIR epidemic model to describe the action of the public health system aimed at enhancing the social distancing during an epidemic outbreak. An optimal control problem is proposed where the control acts in a specific way on the contact rate. We show that the optimal control of social distancing is able to generate a period doubling–like phenomenon. Namely, the ‘period’ of the prevalence is the double of the ‘period’ of the control, and an alternation of small and large peaks of disease prevalence can be observed.

Keywords: Period doubling; Sub-harmonic resonance; Optimal control; Social distancing; Behavior (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:161:y:2022:i:c:s0960077922005574

DOI: 10.1016/j.chaos.2022.112347

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