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math.OC2024
Functionally Constrained Algorithm Solves Convex Simple Bilevel Problems
Huaqing Zhang, Lesi Chen, Jing Xu +1
This paper studies simple bilevel problems, where a convex upper-level function is minimized over the optimal solutions of a convex lower-level problem. We first show the fundament…
cs.LG2024★ 1 cited
Random Masking Finds Winning Tickets for Parameter Efficient Fine-tuning
Jing Xu, Jingzhao Zhang
Fine-tuning large language models (LLM) can be costly. Parameter-efficient fine-tuning (PEFT) addresses the problems by training a fraction of the parameters, whose success reveals…