Results 1 to 10 of about 825 (124)
Optimal control for COVID-19 pandemic with quarantine and antiviral therapy [PDF]
Sensors International, 2021 In the absence of a proper cure for the disease, the recent pandemic caused by COVID-19 has been focused on isolation strategies and government measures to control the disease, such as lockdown, media coverage, and improve public hygiene.
Md. Abdullah Bin Masud +2 more
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A mathematical model of Coronavirus Disease (COVID-19) containing asymptomatic and symptomatic classes [PDF]
Results in Physics, 2021 The research work in this paper attempts to describe the outbreak of Coronavirus Disease 2019 (COVID-19) with the help of a mathematical model using both the Ordinary Differential Equation (ODE) and Fractional Differential Equation.
Idris Ahmed +4 more
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Analysis of a hyperbolic geometric model for visual texture perception. [PDF]
J Math Neurosci, 2011 We study the neural field equations introduced by Chossat and Faugeras to model the representation and the processing of image edges and textures in the hypercolumns of the cortical area V1.
Faye G, Chossat P, Faugeras O.
europepmc +2 more sources
Annals of the West University of Timisoara: Mathematics and Computer Science, 2023 In this paper, we study the following fractional differential equation involving the Atangana-Baleanu-Caputo fractional derivative: {ABCaDτθ[x(ϑ)−F(ϑ,x(ϑ))]=G(ϑ,x(ϑ)), ϑ∈J:=[a,b],x(a)=φa∈ℝ.$$\left\{ {\matrix{ {AB{C_a}D_\tau ^\theta [x(\vartheta ...
Benkhettou Nadia +4 more
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Open Mathematics, 2022 By applying the combination of discrete variational method and approximation, developed in a previous study [J. Kuang, W. Chen, and Z. Guo, Periodic solutions with prescribed minimal period for second-order even Hamiltonian systems, Commun.
Kuang Juhong, Chen Weiyi
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Differential Equations & Applications, 2023 . In this paper, we investigate the existence of global e -positive mild solutions to the initial value problem for a nonlinear impulsive fractional evolution differential equation involving the theory of sectorial operators.
J. F. Junior +2 more
semanticscholar +1 more source
Demonstratio Mathematica, 2023 We investigate the existence and nonexistence of nonnegative radial solutions to exterior problems of the form ΔHmu(q)+λψ(q)K(r(q))f(r2−Q(q),u(q))=0{\Delta }_{{{\mathbb{H}}}^{m}}u\left(q)+\lambda \psi \left(q)K\left(r\left(q))f\left({r}^{2-Q}\left(q),u ...
Jleli Mohamed
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Role of ecotourism in conserving forest biomass: A mathematical model
Computational and Mathematical Biophysics, 2023 Ecotourism is a form of tourism involving responsible travel to natural areas, conserving the environment, and improving the well-being of the local people.
Pathak Rachana +6 more
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Advanced Nonlinear Studies, 2023 In this article, we study the uniqueness of positive symmetric solutions of the following mean curvature problem in Euclidean space: (P)u′1+∣u′∣2′+h(x)f(u)=0 ...
Lee Yong-Hoon, Yang Rui
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Miskolc Mathematical Notes, 2022 . In this paper, we study the existence of a non-trivial solution in W 1 , p ( x ) 0 ( Ω ) for the problem (cid:40) ∆ p ( x ) u = f ( x , u , ∇ u ) in Ω , u = 0 in Ω . The proof is based on Schaefer’s fixed point theorem.
S. Ayadi, Ozgur Ege
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