SUPERCONVERGENCE ERROR ESTIMATES OF THE LOWEST-ORDER RAVIART-THOMAS GALERKIN MIXED FINITE ELEMENT METHOD FOR NONLINEAR THERMISTOR EQUATIONS

Huaijun Yang, Dongyang Shi

Journal of Computational Mathematics . 2025, (6): 1548 -1574 . DOI: 10.4208/jcm.2406-m2023-0169