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Dynamics of optimal harvesting in an Ammensal-Adversarial interaction

  • K. Shiva Reddy
  • , Kottakkaran Sooppy Nisar
  • , N. Phani Kumar
  • , Choonkil Park
  • , Ibrahim S. Yahia
  • Anurag University
  • Prince Sattam Bin Abdulaziz University
  • Jawaharlal Nehru Technological University Hyderabad
  • Hanyang University
  • King Khalid University
  • Ain Shams University

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

This article discusses the stability of a two-species ecosystem composed of an ammensal (x) and an adversarial (y) species that are continuously harvested. A mathematical model is defined by a system of two nonlinear ordinary differential equations of first order. The considered system's boundedness is investigated. The local stability of the system is described using a variational matrix, while the global stability is examined using Lyapunov's function. The prerequisite for the system to exist in bionomic equilibrium has been identified. The ideal harvesting technique is determined using the maximal principle proposed by Pontryagin. In MATLAB simulations, the stability of the deterministic system is demonstrated for the specified set of parameters.

Original languageEnglish
Pages (from-to)12123-12128
Number of pages6
JournalAlexandria Engineering Journal
Volume61
Issue number12
DOIs
StatePublished - Dec 2022
Externally publishedYes

Keywords

  • Adversarial
  • Ammensal
  • Bionomic equilibrium
  • Local and global stability
  • Optimal harvesting

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