Exact Fault-Tolerant Consensus with Voting Validity. - Zhangchen Xu; Yuetai Li; Chenglin Feng; Lei Zhang 035 (IPDPS, 2023)

Identifying and Mitigating Vulnerabilities in LLM-Integrated Applications. - Fengqing Jiang; Zhangchen Xu; Luyao Niu; Boxin Wang; Jinyuan Jia 001; Bo Li 026; Radha Poovendran (CoRR, 2023)

Wireless Distributed Consensus in Vehicle to Vehicle Networks for Autonomous Driving. - Chenglin Feng; Zhangchen Xu; Xincheng Zhu; Paulo Valente Klaine; Lei Zhang 035 (IEEE Trans. Veh. Technol., 2023)

ArtPrompt: ASCII Art-based Jailbreak Attacks against Aligned LLMs. - Fengqing Jiang; Zhangchen Xu; Luyao Niu; Zhen Xiang; Bhaskar Ramasubramanian; Bo Li 026; Radha Poovendran (ACL (1), 2024)

SafeDecoding: Defending against Jailbreak Attacks via Safety-Aware Decoding. - Zhangchen Xu; Fengqing Jiang; Luyao Niu; Jinyuan Jia 001; Bill Yuchen Lin; Radha Poovendran (ACL (1), 2024)

POSTER: Identifying and Mitigating Vulnerabilities in LLM-Integrated Applications. - Fengqing Jiang; Zhangchen Xu; Luyao Niu; Boxin Wang; Jinyuan Jia 001; Bo Li 026; Radha Poovendran (AsiaCCS, 2024)

Poster: Brave: Byzantine-Resilient and Privacy-Preserving Peer-to-Peer Federated Learning. - Zhangchen Xu; Fengqing Jiang; Luyao Niu; Jinyuan Jia 001; Radha Poovendran (AsiaCCS, 2024)

CleanGen: Mitigating Backdoor Attacks for Generation Tasks in Large Language Models. - Yuetai Li; Zhangchen Xu; Fengqing Jiang; Luyao Niu; Dinuka Sahabandu; Bhaskar Ramasubramanian; Radha Poovendran (EMNLP, 2024)

ACE: A Model Poisoning Attack on Contribution Evaluation Methods in Federated Learning. - Zhangchen Xu; Fengqing Jiang; Luyao Niu; Jinyuan Jia 001; Bo Li 026; Radha Poovendran (USENIX Security Symposium, 2024)

Brave: Byzantine-Resilient and Privacy-Preserving Peer-to-Peer Federated Learning. - Zhangchen Xu; Fengqing Jiang; Luyao Niu; Jinyuan Jia 001; Radha Poovendran (CoRR, 2024)

Stronger Models are NOT Stronger Teachers for Instruction Tuning. - Zhangchen Xu; Fengqing Jiang; Luyao Niu; Bill Yuchen Lin; Radha Poovendran (CoRR, 2024)

ChatBug: A Common Vulnerability of Aligned LLMs Induced by Chat Templates. - Fengqing Jiang; Zhangchen Xu; Luyao Niu; Bill Yuchen Lin; Radha Poovendran (AAAI, 2025)

SafeChain: Safety of Language Models with Long Chain-of-Thought Reasoning Capabilities. - Fengqing Jiang; Zhangchen Xu; Yuetai Li; Luyao Niu; Zhen Xiang; Bo Li 026; Bill Yuchen Lin; Radha Poovendran (ACL (Findings), 2025)

Small Models Struggle to Learn from Strong Reasoners. - Yuetai Li; Xiang Yue; Zhangchen Xu; Fengqing Jiang; Luyao Niu; Bill Yuchen Lin; Bhaskar Ramasubramanian; Radha Poovendran (ACL (Findings), 2025)

KodCode: A Diverse, Challenging, and Verifiable Synthetic Dataset for Coding. - Zhangchen Xu; Yang Liu; Yueqin Yin; Mingyuan Zhou; Radha Poovendran (ACL (Findings), 2025)

Magpie: Alignment Data Synthesis from Scratch by Prompting Aligned LLMs with Nothing. - Zhangchen Xu; Fengqing Jiang; Luyao Niu; Yuntian Deng; Radha Poovendran; Yejin Choi 001; Bill Yuchen Lin (ICLR, 2025)

Stronger Models are Not Always Stronger Teachers for Instruction Tuning. - Zhangchen Xu; Fengqing Jiang; Luyao Niu; Bill Yuchen Lin; Radha Poovendran (NAACL (Long Papers), 2025)

Distributed Consensus Network: A Modularized Communication Framework and Reliability Probabilistic Analysis. - Yuetai Li; Zhangchen Xu; Yiqi Wang; Zihan Zhou 019; Lei Zhang 035; Jon Crowcroft (CoRR, 2025)

TinyV: Reducing False Negatives in Verification Improves RL for LLM Reasoning. - Zhangchen Xu; Yuetai Li; Fengqing Jiang; Bhaskar Ramasubramanian; Luyao Niu; Bill Yuchen Lin; Radha Poovendran (CoRR, 2025)

Temporal Sampling for Forgotten Reasoning in LLMs. - Yuetai Li; Zhangchen Xu; Fengqing Jiang; Bhaskar Ramasubramanian; Luyao Niu; Bill Yuchen Lin; Xiang Yue; Radha Poovendran (CoRR, 2025)

SOSBENCH: Benchmarking Safety Alignment on Scientific Knowledge. - Fengqing Jiang; Fengbo Ma; Zhangchen Xu; Yuetai Li; Bhaskar Ramasubramanian; Luyao Niu; Bo Li 026; Xianyan Chen; Zhen Xiang; Radha Poovendran (CoRR, 2025)

VisualSphinx: Large-Scale Synthetic Vision Logic Puzzles for RL. - Yichen Feng; Zhangchen Xu; Fengqing Jiang; Yuetai Li; Bhaskar Ramasubramanian; Luyao Niu; Bill Yuchen Lin; Radha Poovendran (CoRR, 2025)