📝 Pre-Print Arxiv Meaningless Tokens, Meaningful Gains: How Activation Shifts Enhance LLM Reasoning Zeru Shi, Yingjia Wan, Zhenting Wang, Qifan Wang, Fan Yang, Elisa Kreiss, Ruixiang Tang [Arxiv], [GitHub] Arxiv Auto-Prompt Generation is Not Robust:Prompt Optimization Driven by Pseudo Gradient Zeru Shi, Zhenting Wang, Yongye Su, Weidi Luo, Hang Gao, Fan Yang, Ruixiang Tang, Yongfeng Zhang [Arxiv], [GitHub]