On the Superconvergence of Collocation Methods Based on Two Post-Processing Techniques for Fractional Integro-Differential Equations with Weakly Singular Kernels. Journal of Computational Mathematics, [S. l.], 2026. DOI: 10.4208/jcm.2510-m2024-0290. Disponível em: https://global-sci.com/JCM/article/view/23803. Acesso em: 24 mar. 2026.