collaborators

6 papers

cs.LG2026

Unlearning Isn't Invisible: Detecting Unlearning Traces in LLMs from Model Outputs

Yiwei Chen, Soumyadeep Pal, Yimeng Zhang +2

Machine unlearning (MU) for large language models (LLMs), commonly referred to as LLM unlearning, seeks to remove specific undesirable data or knowledge from a trained model, while…

cs.LG2026

Leak@: Unlearning Does Not Make LLMs Forget Under Probabilistic Decoding

Hadi Reisizadeh, Jiajun Ruan, Yiwei Chen +3

Unlearning in large language models (LLMs) is critical for regulatory compliance and for building ethical generative AI systems that avoid producing private, toxic, illegal, or cop…

cs.LG2026

Position: Zeroth-Order Optimization in Deep Learning Is Underexplored, Not Underpowered

Sijia Liu, Yicheng Lang, Soumyadeep Pal +6

Zeroth-order (ZO) optimization, learning from finite differences of function evaluations without backpropagation, has recently regained attention in deep learning due to its memory…

cs.LG2025

Invariance Makes LLM Unlearning Resilient Even to Unanticipated Downstream Fine-Tuning

Changsheng Wang, Yihua Zhang, Jinghan Jia +6

Machine unlearning offers a promising solution to privacy and safety concerns in large language models (LLMs) by selectively removing targeted knowledge while preserving utility. H…

cs.LG2025

LLM Unlearning Under the Microscope: A Full-Stack View on Methods and Metrics

Chongyu Fan, Changsheng Wang, Yancheng Huang +2

Machine unlearning for large language models (LLMs) aims to remove undesired data, knowledge, and behaviors (e.g., for safety, privacy, or copyright) while preserving useful model…

cs.CL2025

LLM Unlearning Reveals a Stronger-Than-Expected Coreset Effect in Current Benchmarks

Soumyadeep Pal, Changsheng Wang, James Diffenderfer +2

Large language model unlearning has become a critical challenge in ensuring safety and controlled model behavior by removing undesired data-model influences from the pretrained mod…