A fourth-order, multigrid cut-cell method for solving Poisson's equation in three-dimensional irregular domains. - Yixiao Qian; Weizhen Li; Yan Tan; Qinghai Zhang (CoRR, 2024)

Fourth- and Higher-order Interface Tracking of Three or More Materials with Arbitrarily Complex Topology and Geometry. - Yan Tan; Yixiao Qian; Zhiqi Li; Qinghai Zhang (CoRR, 2025)