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[00197] Mathematical analysis of a nonlinear SIS model with effect of migration

  • Session Time & Room : 3E (Aug.23, 17:40-19:20) @G501
  • Type : Contributed Talk
  • Abstract : We consider a nonlinear SIS epidemic model with nonlocal disease transmission rate and diffusion in space which is a system of parabolic equations. The existence and uniqueness of steady state are studied using compact and nonsupporting operators, and strongly continuous semigroup theory, respectively. Due to the nonlinearity in the disease transmission rate, proof of the uniqueness of a steady state requires a completely different approach. The linearization around the nontrivial steady state of the model requires the study of a perturbed operator. Spectral analysis is used to study the local stability and the global stability of the steady state.
  • Classification : 35B35, 35Q92, 47H10, 92D25
  • Format : Talk at Waseda University
  • Author(s) :
    • Soumak Nag (University of Hyderabad)
    • Suman Kumar Tumuluri (University of Hyderabad)