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20212026
most citedModel Sparsity Can Simplify Machine Unlearning

12 citations · 58 across the 33 of their papers we have counts for

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10 papers · 1 filter

cs.CL2025

Beyond SFT: Reinforcement Learning for Safer Large Reasoning Models with Better Reasoning Ability

Jinghan Jia, Nathalie Baracaldo, Sijia Liu

Large reasoning models (LRMs) extend large language models by generating explicit chain-of-thought (CoT) reasoning, significantly improving mathematical and logical problem solving…

cs.LG2025

One Token Embedding Is Enough to Deadlock Your Large Reasoning Model

Mohan Zhang, Yihua Zhang, Jinghan Jia +3

Modern large reasoning models (LRMs) exhibit impressive multi-step problem-solving via chain-of-thought (CoT) reasoning. However, this iterative thinking mechanism introduces a new…

cs.LG2025

LLM Unlearning on Noisy Forget Sets: A Study of Incomplete, Rewritten, and Watermarked Data

Changsheng Wang, Yihua Zhang, Dennis Wei +3

Large language models (LLMs) exhibit remarkable generative capabilities but raise ethical and security concerns by memorizing sensitive data, reinforcing biases, and producing harm…

cs.LG2025

Downgrade to Upgrade: Optimizer Simplification Enhances Robustness in LLM Unlearning

Yicheng Lang, Yihua Zhang, Chongyu Fan +3

Large language model (LLM) unlearning aims to surgically remove the influence of undesired data or knowledge from an existing model while preserving its utility on unrelated tasks.…

cs.LG2025

EPiC: Towards Lossless Speedup for Reasoning Training through Edge-Preserving CoT Condensation

Jinghan Jia, Hadi Reisizadeh, Chongyu Fan +3

Large language models (LLMs) have shown remarkable reasoning capabilities when trained with chain-of-thought (CoT) supervision. However, the long and verbose CoT traces, especially…

cs.AI2025

Reasoning Model Unlearning: Forgetting Traces, Not Just Answers, While Preserving Reasoning Skills

Changsheng Wang, Chongyu Fan, Yihua Zhang +5

Recent advances in large reasoning models (LRMs) have enabled strong chain-of-thought (CoT) generation through test-time computation. While these multi-step reasoning capabilities…

cs.CL2025

CyclicReflex: Improving Reasoning Models via Cyclical Reflection Token Scheduling

Chongyu Fan, Yihua Zhang, Jinghan Jia +2

Large reasoning models (LRMs), such as OpenAI's o1 and DeepSeek-R1, harness test-time scaling to perform multi-step reasoning for complex problem-solving. This reasoning process, e…

cs.LG2025

BLUR: A Bi-Level Optimization Approach for LLM Unlearning

Hadi Reisizadeh, Jinghan Jia, Zhiqi Bu +6

Enabling large language models (LLMs) to unlearn knowledge and capabilities acquired during training has proven vital for ensuring compliance with data regulations and promoting et…

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

Towards LLM Unlearning Resilient to Relearning Attacks: A Sharpness-Aware Minimization Perspective and Beyond

Chongyu Fan, Jinghan Jia, Yihua Zhang +3

The LLM unlearning technique has recently been introduced to comply with data regulations and address the safety and ethical concerns of LLMs by removing the undesired data-model i…