Multi-scale low-frequency enhanced spectral neural operator for reducing low-frequency error in partial differential equations solving. - Fengrui Jing; Chuchu Zhai; Peizhi Zhao; Xue Li 019; Peifu Han; Hongzhen Ding; Yunlong Dong; Long Hao; Xu Tian; Tao Song 001 (Eng. Appl. Artif. Intell., 2025)