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- W4322717005 abstract "Predicting Pandemic evolution involves complex modeling challenges, often requiring detailed discrete mathematics executed on large volumes of epidemiological data. Differential equations have the advantage of offering smooth, well-behaved solutions that try to capture overall predictive trends and averages. We further simplify one of those equations, the SIR model, by offering quasi-analytical solutions and fitting functions that agree well with the numerics, as well as COVID-19 data across a few countries. The equations provide an elegant way to visualize the evolution, by mapping onto the dynamics of an overdamped classical particle moving in the SIR configuration space, drifting down gradient of a potential whose shape is set by the model and parameters in hand. We discuss potential sources of errors in our analysis and their growth over time, and map those uncertainties into a diffusive jitter that tends to push the particle away from its minimum. The combined physical understanding and analytical expressions offered by such an intuitive drift-diffusion model could be particularly useful in making policy decisions going forward." @default.
- W4322717005 created "2023-03-03" @default.
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- W4322717005 date "2023-02-26" @default.
- W4322717005 modified "2023-10-16" @default.
- W4322717005 title "A simplified drift-diffusion model for pandemic propagation" @default.
- W4322717005 doi "https://doi.org/10.48550/arxiv.2302.13361" @default.
- W4322717005 hasPublicationYear "2023" @default.
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