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Qualitative Properties of Space-Dependent SIR Models with Constant Delay and Their Numerical Solutions

  • Bálint M. Takács ORCID logo EMAIL logo , István Faragó ORCID logo , Róbert Horváth ORCID logo and Dušan Repovš ORCID logo
Published/Copyright: May 26, 2022

Abstract

In this article, a space-dependent epidemic model equipped with a constant latency period is examined. We construct a delay partial integro-differential equation and show that its solution possesses some biologically reasonable features. We propose some numerical schemes and show that, by choosing the time step to be sufficiently small, the schemes preserve the qualitative properties of the original continuous model. Finally, some numerical experiments are presented that confirm the aforementioned theoretical results.

MSC 2010: 34K60; 65M12; 92D30

Award Identifier / Grant number: BME-NC

Award Identifier / Grant number: SNN125119

Award Identifier / Grant number: P1-0292

Award Identifier / Grant number: N1-0114

Award Identifier / Grant number: N1-0083

Award Identifier / Grant number: N1-0064

Award Identifier / Grant number: J1-8131

Funding statement: The research by the authors B. M. Takács, I. Faragó and R. Horváth reported in this paper and carried out at BME has been supported by the NRDI Fund (TKP2020 NC, Grant No. BME-NC) based on the charter of bolster issued by the NRDI Office under the auspices of the Ministry for Innovation and Technology, and the Hungarian Ministry of Human Capacities OTKA grant SNN125119. The work of the author I. Faragó was completed in the ELTE Institutional Excellence Program (TKP2020-IKA-05) financed by the Hungarian Ministry of Human Capacities. The research of the author D. Repovš reported in this paper was supported by the Slovenian Research Agency grants P1-0292, N1-0114, N1-0083, N1-0064 and J1-8131.

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Received: 2021-11-08
Revised: 2022-03-10
Accepted: 2022-03-23
Published Online: 2022-05-26
Published in Print: 2022-07-01

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