2026
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Language Models as AI Research World Models
Zijun Wang*, Zewen Liu*, Minhua Lin, Zhaotian Weng, Zhan Shi, Bing He, Yisi Sang, Dakuo Wang, Benoit Dumoulin, Wei Jin, Yuyin Zhou, Cihang Xie, Hanqing Lu (* equal contribution)
arXiv 2026
Research world models predict experimental outcomes and guide experiment selection using prior research experience.
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Language Models Learn to Improve Language Models
Minhua Lin, Zijun Wang, Zewen Liu, Zhaotian Weng, Bing He, Zhan Shi, Benoit Dumoulin, Xiang Zhang, Suhang Wang, Hanqing Lu
arXiv 2026
LM2LM trains models to propose better model improvements with reinforcement learning, using research-world-model feedback calibrated by real experiments.
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Harness Updating Is Not Harness Benefit: Disentangling Evolution Capabilities in Self-Evolving LLM Agents
Minhua Lin*,
Juncheng Wu*,
Zijun Wang,
Zhan Shi, Yisi Sang, Bing He, Zewen Liu, Tianxin Wei, Zongyu Wu, Zhiwei Zhang,
Dakuo Wang, Xiang Zhang, Benoit Dumoulin,
Cihang Xie,
Yuyin Zhou, Suhang Wang,
Hanqing Lu
(* represents equal contribution)
EMNLP 2026
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Your Agent, Their Asset: A Real-World Safety Analysis of OpenClaw
Zijun Wang,
Haoqin Tu,
Letian Zhang,
Hardy Chen,
Juncheng Wu,
Xiangyan Liu,
Zhenlong Yuan,
Tianyu Pang,
Michael Qizhe Shieh,
Fengze Liu,
Zeyu Zheng,
Huaxiu Yao,
Yuyin Zhou,
Cihang Xie
EMNLP 2026
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Target-Oriented Pretraining Data Selection via Neuron-Activated Graph
Zijun Wang,
Haoqin Tu,
Weidong Zhou,
Yiyang Zhou,
Xiaohuan Zhou,
Bingni Zhang,
Weiguo Feng,
Taifeng Wang,
Cihang Xie,
Fengze Liu
ICML 2026
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STAR-1: Safer Alignment of Reasoning LLMs with 1K Data
Zijun Wang,
Haoqin Tu,
Yuhan Wang,
Juncheng Wu,
Yanqing Liu,
Jieru Mei,
Brian R. Bartoldson,
Bhavya Kailkhura,
Cihang Xie
AAAI 2026 (oral)
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VisualClaw: A Real-Time, Personalized Agent for the Physical World
Haoqin Tu*,
Jianwen Chen*,
Zijun Wang,
Siwei Han,
Juncheng Wu,
Hardy Chen, Haonian Ji, Kaiwen Xiong, Jiaqi Liu, Peng Xia,
Jieru Mei,
Hongliang Fei, Jason Eshraghian, Zeyu Zheng, Yuyin Zhou,
Huaxiu Yao,
Cihang Xie
(* represents equal contribution)
arXiv 2026
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VLAA-GUI: Knowing When to Stop, Recover, and Search, A Modular Framework for GUI Automation
Qijun Han*,
Haoqin Tu*,
Zijun Wang,
Haoyue Dai,
Yiyang Zhou,
Nancy Lau,
Alvaro A. Cardenas,
Yuhui Xu,
Ran Xu,
Caiming Xiong,
Zeyu Zheng,
Huaxiu Yao,
Yuyin Zhou,
Cihang Xie
(* represents equal contribution)
arXiv 2026
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When Visualizing is the First Step to Reasoning: MIRA, a Benchmark for Visual Chain-of-Thought
Yiyang Zhou*,
Haoqin Tu*,
Zijun Wang,
Zeyu Wang,
Niklas Muennighoff,
Fan Nie,
Yejin Choi,
James Zou,
Chaorui Deng,
Shen Yan,
Haoqi Fan,
Cihang Xie,
Huaxiu Yao,
Qinghao Ye
(* represents equal contribution)
CVPR 2026
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ALPS: Visual State Encoders for World Models
Yanqing Liu, Letian Zhang, Chengzhi Liu, Zijun Wang, Jieru Mei, Hongliang Fei, Yuyin Zhou, Cihang Xie
arXiv 2026
A visual state encoder unifying physical-state information, language alignment, and pixel reconstruction for world models.
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InfoLaw: Information Scaling Laws for Large Language Models with Quality-Weighted Mixture Data and Repetition
Fengze Liu,
Weidong Zhou,
Binbin Liu,
Ping Guo,
Zijun Wang,
Bingni Zhang,
Yifan Zhang,
Yifeng Yu,
Xiaohuan Zhou,
Taifeng Wang
ICML 2026
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Chasing the Public Score: User Pressure and Evaluation Exploitation in Coding Agent Workflows
Hardy Chen,
Nancy Lau,
Haoqin Tu,
Shuo Yan,
Xiangyan Liu,
Zijun Wang,
Juncheng Wu,
Michael Qizhe Shieh,
Alvaro A. Cardenas,
Cihang Xie,
Yuyin Zhou
COLM 2026
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ClinSeekAgent: Automating Multimodal Evidence Seeking for Agentic Clinical Reasoning
Juncheng Wu*, Letian Zhang*, Yuhan Wang*, Haoqin Tu, Hardy Chen, Zijun Wang, Cihang Xie, Yufan He, Can Zhao, Daguang Xu, Yucheng Tang, Yuyin Zhou (* equal technical contribution)
arXiv 2026
An agentic framework for actively seeking multimodal clinical evidence from patient records and imaging tools.
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Mimicking the Physicist's Eye: A VLM-centric Approach for Physics Formula Discovery
Jiaqi Liu,
Songning Lai,
Pengze Li,
Di Yu,
Wenjie Zhou,
Yiyang Zhou,
Peng Xia,
Zijun Wang,
Xi Chen,
Shixiang Tang,
Lei Bai,
Wanli Ouyang,
Mingyu Ding,
Huaxiu Yao,
Aoran Wang
NeurIPS 2026
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2025
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AttnGCG: Enhancing Jailbreaking Attacks on LLMs with Attention Manipulation
Zijun Wang,
Haoqin Tu,
Jieru Mei,
Bingchen Zhao,
Yisen Wang,
Cihang Xie
TMLR 2025
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AHELM: A Holistic Evaluation of Audio-Language Models
Tony Lee,
Haoqin Tu,
Chi Heem Wong,
Zijun Wang,
Siwei Yang,
Yifan Mai,
Yuyin Zhou,
Cihang Xie,
Percy Liang
arXiv 2025
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Where on Earth? A Vision-Language Benchmark for Probing Model Geolocation Skills Across Scales
Zhaofang Qian,
Hardy Chen,
Zeyu Wang,
Li Zhang,
Zijun Wang,
Xiaoke Huang,
Hui Liu,
Xianfeng Tang,
Zeyu Zheng,
Haoqin Tu,
Cihang Xie,
Yuyin Zhou
arXiv 2025
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Handling Feature Heterogeneity with Learnable Graph Patches
Yifei Sun,
Yang Yang,
Xiao Feng,
Zijun Wang,
Haoyang Zhong,
Chunping Wang,
Lei Chen
KDD 2025
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2024
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How Many Unicorns Are in This Image? A Safety Evaluation Benchmark for Vision LLMs
Haoqin Tu*,
Chenhang Cui*,
Zijun Wang*,
Yiyang Zhou,
Bingchen Zhao,
Junlin Han,
Wangchunshu Zhou,
Huaxiu Yao,
Cihang Xie
(* represents equal contribution)
ECCV 2024
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Robust and Efficient AI-Based Attack Recovery in Autonomous Drones
Diego Ortiz Barbosa, Luis Burbano, Siwei Yang, Zijun Wang, Alvaro A. Cardenas, Cihang Xie, Yinzhi Cao
GENZERO 2024 (workshop)
An autonomous attack-recovery architecture using common-sense reasoning to plan recovery actions for drones.
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Aug. 2024 - Present, VLAA Lab, UC Santa Cruz
PhD student in Computer Science and Engineering, advised by Prof. Cihang Xie. Expected graduation: Jun. 2028.
Aug. 2023 - Aug. 2024, VLAA Lab, UC Santa Cruz
Visiting Research Intern advised by Prof. Cihang Xie, Adversarial Attacks on LLMs & VLLMs
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Jun. 2026 - Present, Amazon, Palo Alto, CA
Intern advised by Hanqing Lu, working on RSI agents and research world models.
Co-first-authored Language Models as AI Research World Models and co-authored Language Models Learn to Improve Language Models (arXiv 2026), as well as Harness Updating Is Not Harness Benefit (EMNLP 2026).
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Jun. 2025 - Apr. 2026, ByteDance, San Jose, CA
Research Scientist Intern advised by Fengze Liu, working on foundation LLM pretraining.
First-authored NAG for target-oriented pretraining data selection and co-authored InfoLaw for data-aware scaling laws; both accepted by ICML 2026.
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Jan. 2023 - Jul. 2023, Zhejiang University
Research Assistant advised by Prof. Yang Yang, Generalized Graph Pre-training
Sep. 2020 - Jun. 2024, Zhejiang University
Bachelor of Engineering in Computer Science and Technology, GPA: 3.92/4.0
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Awards
- Second Place in both base and large model subtracks of the NeurIPS 2023 Trojan Detection Challenge, Red Teaming LLM track; team leader. [Code]
- National Scholarship (top 0.2% nationwide), Ministry of Education of the People's Republic of China, 2021
- First-class Scholarship of Zhejiang University
- Provincial Government Scholarship of Zhejiang Province
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