Name Higinio Ramos Affiliation پژوهشگر در خارج از ایران Degree _ Website Email — JournalPaper Presentation FinishedProject Book Thesis Speech Innovation ResearchExcellence Sabbatical TheorizingChair GrantAttraction WorkShop Membership JournalPublication ExecutiveActivity TitleJournal 1 NONSTANDARD FINITE DIFFERENCE SCHEMES WITH POSITIVITY PROPERTY WITH APPLICATION TO A MATHEMATICAL MODEL OF HIV INFECTION applied and computational mathematics 2 Efficient Numerical Solutions to a SIR Epidemic Model Mathematics 3 A Positivity-Preserving Improved Nonstandard Finite Difference Method to Solve the Black-Scholes Equation Mathematics 4 A Nonstandard Finite Difference Method for a Generalized Black-Scholes Equation Symmetry-Basel 5 Fourth derivative singularly P-stable method for the numerical solution of the Schrödinger equation Advances in Difference Equations 6 A positive and elementary stable nonstandard explicit scheme for a mathematical model of the influenza disease MATHEMATICS AND COMPUTERS IN SIMULATION