A Unified Comparative Framework for Fractional-Order Operator Approximation with Pareto-Based Analysis. - Wendimu, Abebe Alemu; Matušů, Radek; Shaikh, Ibrahim; Wolde, Mihret Kochito; Roba, Meron Tadele; Yareshe, Feleke Tsegaye (Fractal & Fractional, 2026)