Results on Approximate Controllability of $$Ψ $$-Hilfer Fractional Control Semilinear Systems via Gronwall’s Inequality - Chauhan, Raman; Singh, Karunesh; Shukla, Anurag (Complex analysis and operator theory, 2025)
Keywords: Banach spaces; Controllability; Fixed points (mathematics); Nonlinear control; Operators (mathematics)