Sensitivity assessment and optimal economic evaluation of a new COVID-19 compartmental epidemic model with control interventions JKK Asamoah, Z Jin, GQ Sun, B Seidu, E Yankson, A Abidemi, FT Oduro, ... Chaos, Solitons & Fractals 146, 110885, 2021 | 59 | 2021 |

Boundedness and stability in nonlinear delay difference equations employing fixed point theory M Islam, E Yankson Electronic Journal of Qualitative Theory of Differential Equations 2005 (26 …, 2005 | 40 | 2005 |

Non-fractional and fractional mathematical analysis and simulations for Q fever JKK Asamoah, E Okyere, E Yankson, AA Opoku, A Adom-Konadu, ... Chaos, Solitons & Fractals 156, 111821, 2022 | 33 | 2022 |

Positive periodic solutions in neutral delay difference equations YN Raffoul, E Yankson Adv. Dyn. Syst. Appl 5, 123-130, 2010 | 28 | 2010 |

Stability in discrete equations with variable delays E Yankson Electronic Journal of Qualitative Theory of Differential Equations 2009 (8), 1-7, 2009 | 25 | 2009 |

Positive periodic solutions for second-order neutral differential equations with functional delay E Yankson Electron. J. Differential Equations 14 (2012), 1-6, 2012 | 22 | 2012 |

Stability of Volterra difference delay equations E Yankson Electronic Journal of Qualitative Theory of Differential Equations 2006 (20 …, 2006 | 22 | 2006 |

Existence and positivity of solutions for a nonlinear periodic differential equation E Yankson Arch. Math.(Brno) 48, 261-270, 2012 | 14 | 2012 |

Optimal control and cost-effectiveness analysis for dengue fever model with asymptomatic and partial immune individuals JKK Asamoah, E Yankson, E Okyere, GQ Sun, Z Jin, R Jan Results in Physics, 104919, 2021 | 12 | 2021 |

Existence of periodic solutions for totally nonlinear neutral differential equations with functional delay E Yankson Opuscula Mathematica 32, 617-627, 2012 | 11 | 2012 |

EXISTENCE AND UNIQUENESS OF PERIODIC SOLUTIONS FOR A SYSTEM OF DIFFERENCE EQUATIONS WITH FINITE DELAY E YANKSON Electronic Journal of Mathematical Analysis and Applications 3 (2), 193-201, 2015 | 3 | 2015 |

On the existence of positive periodic solutions for totally nonlinear neutral differential equations of the second-order with functional delay EK Essel, E Yankson Opuscula Mathematica 34 (3), 2014 | 3 | 2014 |

Positive solutions for a system of periodic neutral delay difference equations E Yankson African Diaspora Journal of Mathematics. New Series 11 (2), 90-97, 2011 | 3 | 2011 |

Existence and uniqueness of solutions for neutral periodic integro-differential equations with infinite delay E Yankson Caspian Journal of Mathematical Sciences (CJMS) 5 (1), 37-46, 2016 | 2 | 2016 |

Existence of bounded solutions for almost linear Volterra difference equations using fixed point theory and Lyapunov functionals. Y Raffoul, E Yankson Nonlinear Studies 21 (4), 2014 | 2 | 2014 |

Periodicity in a system of differential equations with finite delay E Yankson Caspian Journal of Mathematical Sciences (CJMS) 2 (2), 147-157, 2013 | 2 | 2013 |

Stability Results for Neutral Integro-Differential Equations with Multiple Functional Delays E Yankson Khayyam Journal of Mathematics 3 (1), 1-11, 0 | 2* | |

Exponential stability results for variable delay difference equations E Yankson Opuscula Mathematica 41 (1), 2021 | 1 | 2021 |

Positive periodic solutions for neutral functional differential systems E Yankson, SE Assabil Proyecciones (Antofagasta) 36 (3), 423-434, 2017 | 1 | 2017 |

Asymptotic behaviour of boundary condition functions for a fourth-order boundary value problem EK Essel, E Yankson, SM Naandam Theoretical Mathematics & Applications (TMA) 3 (3), 121-143, 2013 | 1 | 2013 |