Wang , JihongXu , Zhi-Qin JohnZhang , Jiwei and Zhang , Yaoyu. (2022). Implicit Bias in Understanding Deep Learning for Solving PDEs Beyond Ritz-Galerkin Method. CSIAM Transactions on Applied Mathematics. 3 (2). 299-317. doi:10.4208/csiam-am.SO-2020-0006