PDEformer-2: A Versatile Foundation Model for Two-Dimensional Partial Differential Equations. - Zhanhong Ye; Zining Liu; Bingyang Wu; Hongjie Jiang; Leheng Chen; Minyan Zhang; Xiang Huang; Qinghe Meng; Jingyuan Zou; Hongsheng Liu 002; Bin Dong 001 (CoRR, 2025)