S extquotesingle MoRE: Structural Mixture of Residual Experts for Parameter-Efficient LLM Fine-tuning - Zeng, Hanqing; Xia, Yinglong; Zhao, Zhuokai; Jiang, Chuan; Zhang, Qiang; Liu, Jiayi; Zhang, Qunshu; Zhang, Lizhu; Fan, Xiangjun; Zhang, Benyu (Advances in Neural Information Processing Systems, 2025)