An Advanced Study of Hermite–Hadamard and Trapezoid-Type Inequalities via Generalized Convexity and Fractional Double Integral Operators. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 19, n. 1, p. 7345, 2026. DOI: 10.29020/nybg.ejpam.v19i1.7345. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/7345. Acesso em: 17 feb. 2026.