Invited Talk-4 November 25, 11:00 AM -12:30 PM, Central Time Start Session Lev A. Ostrovsky, Yuri A. Stepanyants, Modeling of complex two-dimensional patterns of interacting solitonsDevendra Kumar, An efficient numerical scheme of a fractional order nonlinear discontinued problemsDumitru Baleanu, Modern Fractional Calculus:Theory and ApplicationsCarla M.A. Pinto, Epidemiological models: usefulness and predictions in the era of COVID-19