Results 1 to 10 of about 996 (119)

The effect of changing COVID-19 restrictions on the transmission rate in a veterinary clinic [PDF]

open access: yesInfectious Disease Modelling, 2023
With the declaration of the COVID-19 pandemic by the World Health Organization on March 11, 2020, the University of Tennessee College of Veterinary Medicine (UTCVM), like other institutions, restructured their services to reduce the potential spread of ...
Lee Spence   +6 more
doaj   +2 more sources

A vaccination model for COVID-19 in Gauteng, South Africa [PDF]

open access: yesInfectious Disease Modelling, 2022
The COVID-19 pandemic provides an opportunity to explore the impact of government mandates on movement restrictions and non-pharmaceutical interventions on a novel infection, and we investigate these strategies in early-stage outbreak dynamics.
Christina J. Edholm   +10 more
doaj   +2 more sources

Optimal control strategies for preventing hepatitis B infection and reducing chronic liver cirrhosis incidence [PDF]

open access: yesInfectious Disease Modelling, 2020
Advanced liver cirrhosis has become life-threatening among non-communicable diseases nowadays. Cirrhosis, the terminal stage of liver diseases in which the liver develops scarring as a result of various long-term continuous damages. Among liver diseases,
Mst. Shanta Khatun   +1 more
doaj   +2 more sources

The existence of infinitely many boundary blow-up solutions to the p-k-Hessian equation

open access: yesAdvanced Nonlinear Studies, 2023
The primary objective of this article is to analyze the existence of infinitely many radial pp-kk-convex solutions to the boundary blow-up pp-kk-Hessian problem σk(λ(Di(∣Du∣p−2Dju)))=H(∣x∣)f(u)inΩ,u=+∞on∂Ω.{\sigma }_{k}\left(\lambda \left({D}_{i}\left({|
Feng Meiqiang, Zhang Xuemei
doaj   +1 more source

Existence of positive solutions for second-order nonlinear neutral dynamic equations on time scales

open access: yesMoroccan Journal of Pure and Applied Analysis, 2021
In this article we study the existence of positive solutions for second-order nonlinear neutral dynamic equations on time scales. The main tool employed here is Schauder’s fixed point theorem.
Bouchelaghem Faycal   +2 more
doaj   +1 more source

Periodic and quasi-periodic solutions of a four-dimensional singular differential system describing the motion of vortices

open access: yesAdvances in Nonlinear Analysis, 2023
In this article, we consider a four-dimensional singular differential system that can describe the dynamics of configurations bearing a small number of vortices in atomic Bose-Einstein condensates.
Liang Zaitao, Li Shengjun, Li Xin
doaj   +1 more source

A note on polyexponential and unipoly Bernoulli polynomials of the second kind

open access: yesOpen Mathematics, 2021
In this paper, the authors study the poly-Bernoulli numbers of the second kind, which are defined by using polyexponential functions introduced by Kims. Also by using unipoly function, we study the unipoly Bernoulli numbers of the second kind, which are ...
Ma Minyoung, Lim Dongkyu
doaj   +1 more source

Besov's Type Embedding Theorem for Bilateral Grand Lebesgue Spaces [PDF]

open access: yes, 2010
In this paper we obtain the non-asymptotic norm estimations of Besov's type between the norms of a functions in different Bilateral Grand Lebesgue spaces (BGLS).
Ostrovsky, E., Sirota, L.
core   +3 more sources

Role of ecotourism in conserving forest biomass: A mathematical model

open access: yesComputational 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
doaj   +1 more source

Fractional model of Ebola virus in population of bats in frame of Atangana-Baleanu fractional derivative

open access: yesResults in Physics, 2021
The paper aims to extend the model of the Ebola virus in bats to the mathematical model of fractional order using Atangana- Baleanu derivative operator.
M.A.Almuqrin   +5 more
doaj   +1 more source

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