Global Aspects of Age-Structured Cigarette Smoking Model

  • Anwar Zeb
  • Sultan Hussain
  • Obaid J. Algahtani
  • Gul Zaman


Smoking impacts health and as a result creates several problems related to age which means smoking has a strong correlation with age. Keeping this problem in view, we consider the global asymptotic properties of age-structured smoking model. First, we formulate the model and present the existence and uniqueness of solution. Then we discuss the equilibrium points and construct the Lyapunov function to examine global stability of the free smoking and positive smoking equilibrium points. Finally, we fixed the age factor and use the non-standard finite difference (NSFD) scheme for numerical solutions and compare our results obtained with RK4 and ODE45 graphically with the help of MATLAB.


Age-structured smoking model equilibrium points stability analysis Lyapunov function non-standard finite difference (NSFD) scheme 

Mathematics Subject Classification

92D25 49J15 93D20 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Anwar Zeb
    • 1
  • Sultan Hussain
    • 1
  • Obaid J. Algahtani
    • 2
  • Gul Zaman
    • 3
  1. 1.Department of MathematicsCOMSATS Institute of Information TechnologyAbbottabadPakistan
  2. 2.Department of Mathematics, Science CollegeKing Saud UniversityRiyadhSaudi Arabia
  3. 3.Department of MathematicsUniversity of MalakandChakdara, Dir (Lower)Pakistan

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