Results 1 to 10 of about 101 (86)

From pandemic to a new normal: Strategies to optimise governmental interventions in Indonesia based on an SVEIQHR-type mathematical model [PDF]

open access: yesInfectious Disease Modelling, 2022
There are five different forms of intervention presently realised by the Indonesian government in an effort to end the COVID-19 pandemic: vaccinations, social restrictions, tracings, testings, and treatments.
Benny Yong, Jonathan Hoseana, Livia Owen
doaj   +2 more sources

Prediction studies of the epidemic peak of coronavirus disease in Brazil via new generalised Caputo type fractional derivatives [PDF]

open access: yesAlexandria Engineering Journal, 2021
The first reported case of coronavirus disease (COVID-19) in Brazil was confirmed on 25 February 2020 and then the number of symptomatic cases produced day by day.
Pushpendra Kumar   +3 more
doaj   +2 more sources

Robot Dance: A mathematical optimization platform for intervention against COVID-19 in a complex network [PDF]

open access: yesEURO Journal on Computational Optimization, 2022
Robot Dance is a computational optimization platform developed in response to the COVID-19 outbreak, to support the decision-making on public policies at a regional level.
Luis Gustavo Nonato   +4 more
doaj   +2 more sources

Fractional SIAQR model with time dependent infection rate

open access: yesArab Journal of Basic and Applied Sciences, 2023
In this study we have proposed the SIAQR model with time-dependent infection rate. The model’s well-posedness is demonstrated, and the proposed model is then extended to the fractional mathematical model by employing the Caputo-Fabrizio fractional ...
Pranay Goswami, Shivani Sharma
exaly   +3 more sources

Identifiability of Infection Model Parameters Early in an Epidemic [PDF]

open access: yesSIAM Journal on Control and Optimization, 2022
Tyrus Berry   +2 more
exaly   +2 more sources

Detections and SIR simulations of the COVID-19 pandemic waves in Ukraine

open access: yesComputational and Mathematical Biophysics, 2021
Background. Unfortunately, the COVID-19 pandemic is still far from stabilizing. Of particular concern is the sharp increase in the number of diseases in June-July, September-October 2020 and February-March 2021.
Nesteruk Igor
doaj   +1 more source

Identification of in-sample positivity violations using regression trees: The PoRT algorithm

open access: yesJournal of Causal Inference, 2023
The positivity assumption is crucial when drawing causal inferences from observational studies, but it is often overlooked in practice. A violation of positivity occurs when the sample contains a subgroup of individuals with an extreme relative frequency
Danelian Gabriel   +4 more
doaj   +1 more source

Optimal balancing of time-dependent confounders for marginal structural models

open access: yesJournal of Causal Inference, 2021
Marginal structural models (MSMs) can be used to estimate the causal effect of a potentially time-varying treatment in the presence of time-dependent confounding via weighted regression.
Kallus Nathan, Santacatterina Michele
doaj   +1 more source

Fractional dynamics of 2019-nCOV in Spain at different transmission rate with an idea of optimal control problem formulation

open access: yesAlexandria Engineering Journal, 2022
In this article, we studied the fractional dynamics of the most dangerous deathly disease which outbreaks have been recorded all over the world, called 2019-nCOV or COVID-19.
Pushpendra Kumar   +4 more
doaj   +1 more source

Optimal weighting for estimating generalized average treatment effects

open access: yesJournal of Causal Inference, 2022
In causal inference, a variety of causal effect estimands have been studied, including the sample, uncensored, target, conditional, optimal subpopulation, and optimal weighted average treatment effects.
Kallus Nathan, Santacatterina Michele
doaj   +1 more source

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