Author: Mahendra K. Verma; Ali Asad; Soumyadeep Chatterjee
Title: COVID-19 epidemic: Power law spread and flattening of the curve Document date: 2020_4_6
ID: o0e6saez_15
Snippet: After the exponential phase, the curves transition to power laws, polynomials to be more precise. The curve for China exhibits three power laws: t 2 , t, and then √ t, after which I(t) saturates. For South Korea, we observe t 3 growth rather than t 2 growth. Among the nine nations, only China and South Korea have flattened their epidemic curves. We make a remark that the best fit curves are polynomials (see Table 1 ); the power laws mentioned a.....
Document: After the exponential phase, the curves transition to power laws, polynomials to be more precise. The curve for China exhibits three power laws: t 2 , t, and then √ t, after which I(t) saturates. For South Korea, we observe t 3 growth rather than t 2 growth. Among the nine nations, only China and South Korea have flattened their epidemic curves. We make a remark that the best fit curves are polynomials (see Table 1 ); the power laws mentioned above and those indicated in the plots are the leading-order terms of the respective polynomials.
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