@inproceedings{wu-etal-2026-perturbprune, title = "{P}erturb{P}rune: Guiding Sparsity Allocation by Probing Layer Stability Along Principal Directions", author = "Wu, Ningxin and Hou, Zhengxu and Zhao, Ziran and Jing, Tao and Liu, Pengyuan and Kang, Chen and Zhang, Yangshijie and Xing, Luxi and Yang, Bin-Bin and Xiao, Feng and Liu, Lu and Yu, Dong", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {EMNLP} 2026", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.findings-emnlp.1122/", pages = "23753--23780", ISBN = "979-8-89176-462-0" }