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Published in 2021 at "Results in Physics"
DOI: 10.1016/j.rinp.2021.104067
Abstract: In this paper, we consider a mathematical model to explain, understanding, and to forecast the outbreaks of COVID-19 in India. The model has four components leading to a system of fractional order differential equations incorporating…
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Keywords:
covid india;
lockdown effect;
fractional order;
model ... See more keywords
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Published in 2021 at "Sustainable Cities and Society"
DOI: 10.1016/j.scs.2021.103173
Abstract: This study investigates with Sentinel-5P data the magnitude of the change in the concentration of air pollutants (NO2, HCHO, SO2, O3, CO, and aerosol index) in the air of ten cities and urban areas of…
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Keywords:
urban areas;
index;
grand est;
lockdown effect ... See more keywords
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Published in 2021 at "PLoS ONE"
DOI: 10.1371/journal.pone.0249732
Abstract: While most countries imposed a lockdown in response to the first wave of COVID-19 infections, Sweden did not. To quantify the lockdown effect, we approximate a counterfactual lockdown scenario for Sweden through the outcome in…
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Keywords:
effect;
lockdown effect;
effect counterfactual;
counterfactual sweden ... See more keywords