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Multilevel Optimization for Policy Design with Agent-Based Epidemic Models

  • Epidemiological models can not only be used to forecast the course of a pandemic like COVID-19, but also to propose and design non-pharmaceutical interventions such as school and work closing. In general, the design of optimal policies leads to nonlinear optimization problems that can be solved by numerical algorithms. Epidemiological models come in different complexities, ranging from systems of simple ordinary differential equations (ODEs) to complex agent-based models (ABMs). The former allow a fast and straightforward optimization, but are limited in accuracy, detail, and parameterization, while the latter can resolve spreading processes in detail, but are extremely expensive to optimize. We consider policy optimization in a prototypical situation modeled as both ODE and ABM, review numerical optimization approaches, and propose a heterogeneous multilevel approach based on combining a fine-resolution ABM and a coarse ODE model. Numerical experiments, in particular with respect to convergence speed, are given for illustrative examples.

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Author:Jan-Hendrik NiemannORCiD, Samuel UramORCiD, Sarah WolfORCiD, Natasa Djurdjevac ConradORCiD, Martin WeiserORCiD
Document Type:Article
Parent Title (English):Computational Science
First Page:102242
Year of first publication:2024
ArXiv Id:http://arxiv.org/abs/2304.02281
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