List of Articles Airfoil polynomial Open Access Article Abstract Page Full-Text 1 - Optimal solution for Koper-Schmidt equation using Jacobi and Airfoil expansion methods shadan sadigh behzadi F. Gervehei A. Rafie Open Access Article Abstract Page Full-Text 2 - Optimization of the Black-Scholes Equation with the Numerical Method of Local Expansion to Minimize Risk Coverage Amirreza Keyghobadi Shadan Behzadi Fatemeh Gervei 10.22034/amfa.2020.579396.1140 Open Access Article Abstract Page Full-Text 3 - APPLICATION OF FUZZY EXPANSION METHODS FOR SOLVING FUZZY FREDHOLM- VOLTERRA INTEGRAL EQUATIONS OF THE FIRST KIND Sh. S. Fallah Jelodar T. Allahviranloo S. Abbasbandy