Zhang, Haozhen, Zhaogeng Liu, Bin Gu, and Yi Chang. “Leveraging First and Zeroth-Order Gradient to Address Imbalanced Black-Box Prompt Tuning via Minimax Optimization”. Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 21 (April 11, 2025): 22407–22415. Accessed May 10, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/34397.