Ulam-hyres stability analysis and fractional operator implications on the Covid-19 virus dynamics with long-term vaccination effects.

Muhammad Farman Saba Jamil Evren Hincal Dumitru Baleanu Aceng Sambas Kottakkaran Sooppy Nisar Ulam-hyres stability analysis and fractional operator implications on the Covid-19 virus dynamics with long-term vaccination effects. 3233-3254 2025 June 71 J. Appl. Math. Comput. 3 https://doi.org/10.1007/s12190-024-02357-0 db/journals/jamc/jamc71.html#FarmanJHBSN25 streams/journals/jamc