TY - JOUR AU - Liu, Yong AU - Tao, Qi AU - Shu, Chi-Wang TI - Analysis of optimal superconvergence of an ultraweak-local discontinuous Galerkin method for a time dependent fourth-order equation JO - ESAIM: Mathematical Modelling and Numerical Analysis PY - 2020 SP - 1797 EP - 1820 VL - 54 IS - 6 PB - EDP-Sciences UR - http://archive.numdam.org/articles/10.1051/m2an/2020023/ DO - 10.1051/m2an/2020023 LA - en ID - M2AN_2020__54_6_1797_0 ER -