Yang, Mingkun, Ran Zhu, Qing Wang, and Jie Yang. 2026. “SMoFi: Step-Wise Momentum Fusion for Split Federated Learning on Heterogeneous Data”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (32):27574-82. https://doi.org/10.1609/aaai.v40i32.39977.