Unlocking the Power of Function Vectors for Characterizing and Mitigating Catastrophic Forgetting in Continual Instruction Tuning - Jiang, Gangwei; jiang, caigao; Li, Zhaoyi; Xue, Siqiao; ZHOU, JUN; Song, Linqi; Lian, Defu; Wei, Ying (International Conference on Learning Representations, 2025)