California Institute of Technology（加州理工学院）

2509.15110 2025-09-30 cs.LG cs.CL

TDRM: Smooth Reward Models with Temporal Difference for LLM RL and Inference

Dan Zhang, Min Cai, Jonathan Light, Ziniu Hu, Yisong Yue, Jie Tang

机构 * Department of Computer Science and Technology, Tsinghua University（清华大学计算机科学与技术系）； University of Alberta（阿尔伯塔大学）； California Institute of Technology（加州理工学院）； School of Electronics and Computer Science, University of Southampton（南安普顿大学电子与计算机科学学院）

Comments 10 figures, 7 tables

2509.23109 2025-09-30 cs.AI cs.CV

AttAnchor: Guiding Cross-Modal Token Alignment in VLMs with Attention Anchors

Junyang Zhang, Tianyi Zhu, Thierry Tambe

机构 * California Institute of Technology（加州理工学院）； Stanford University（斯坦福大学）

Comments 31 pages, 17 figures

2501.07741 2025-09-30 stat.ML cs.LG

Gaussian Universality for Diffusion Models

Reza Ghane, Anthony Bao, Danil Akhtiamov, Babak Hassibi

机构 * Department of Electrical Engineering, California Institute of Technology（电气工程系，加利福尼亚理工学院）； Department of Electrical and Computer Engineering, University of Texas at Austin（电气与计算机工程系，德克萨斯大学奥斯汀分校）； Department of Computing and Mathematical Sciences, California Institute of Technology（计算与数学科学系，加利福尼亚理工学院）