SpinQuant: LLM Quantization with Learned Rotations - Liu, Zechun; Zhao, Changsheng; Fedorov, Igor; Soran, Bilge; Choudhary, Dhruv; Krishnamoorthi, Raghuraman; Chandra, Vikas; Tian, Yuandong; Blankevoort, Tijmen (International Conference on Learning Representations, 2025)