Jingdi Lei

About



I am Jingdi Lei (雷京迪), a first-year Ph.D. student at the School of Electrical and Electronic Engineering, Nanyang Technological University, advised by Soujanya Poria. Prior to that, in 2025, I received my B.Eng. degree from Beijing Institute of Technology. My research focuses on large language models and reinforcement learning, with an interest in expanding the boundaries of AI systems.

If you are interested in collaborating or chatting, feel free to email me at A@B, where A = kyrie.jd.lei and B = gmail.com.


[CV] [Google Scholar] [GitHub]

News



2026.01
OffTopicEval has been accepted by ICLR 2026.

2025.04
I received the Outstanding Graduate of Beijing and Outstanding Graduate of Beijing Institute of Technology awards.

2025.03
Critic-V was accepted by CVPR 2025.
[PDF] [CVF]

2025.01
LLaMA-Berry was accepted by NAACL 2025.

2024.12
I received the National Scholarship.

2024.11
ChemVLM was accepted by AAAI 2025.

2023.06
One paper was accepted by ICCSI 2023.
[PDF]

Papers



δ-mem: Efficient Online Memory for Large Language Models

Jingdi Lei, Di Zhang, Junxian Li, Weida Wang, Kaixuan Fan, Xiang Liu, Qihan Liu, Xiaoteng Ma, Baian Chen, Soujanya Poria
Preprint, 2026
[PDF]


Exact Flow Linear Attention: Exact Solution from Continuous-Time Dynamics

Jingdi Lei, Di Zhang, Soujanya Poria
Preprint, 2025
[PDF]


OffTopicEval: When Large Language Models Enter the Wrong Chat, Almost Always!

Jingdi Lei, Varun Gumma, Rishabh Bhardwaj, Seok Min Lim, Chuan Li, Amir Zadeh, Soujanya Poria
ICLR 2026


Critic-V: VLM Critics Help Catch VLM Errors in Multimodal Reasoning

Di Zhang*, Jingdi Lei*, Junxian Li*, Xunzhi Wang*, Yujie Liu, Zonglin Yang, Jiatong Li, Weida Wang, Suorong Yang, Jianbo Wu, Peng Ye, Wanli Ouyang, Dongzhan Zhou
CVPR 2025 (*: equal contribution)
[PDF] [Code] [CVF]


LLaMA-Berry: Pairwise Optimization for Olympiad-level Mathematical Reasoning via O1-like Monte Carlo Tree Search

Di Zhang*, Jianbo Wu*, Jingdi Lei*, Tong Che*, Jiatong Li, Tong Xie, Xiaoshui Huang, Shufei Zhang, Marco Pavone, Yuqiang Li, Wanli Ouyang, Dongzhan Zhou
NAACL 2025 (*: equal contribution)
[PDF] [arXiv]


ChemVLM: Exploring the Power of Multimodal Large Language Models in Chemistry Area

Junxian Li*, Di Zhang*, Xunzhi Wang*, Zeying Hao*, Jingdi Lei, Qian Tan, Cai Zhou, Wei Liu, Yaotian Yang, Xinrui Xiong, Weiyun Wang, Zhe Chen, Wenhai Wang, Wei Li, Mao Su, Shufei Zhang, Wanli Ouyang, Yuqiang Li, Dongzhan Zhou
AAAI 2025
[PDF] [arXiv] [Model]


Control-R: Towards Controllable Test-Time Scaling

Di Zhang, Weida Wang, Junxian Li, Xunzhi Wang, Jiatong Li, Jianbo Wu, Jingdi Lei, Haonan He, Peng Ye, Shufei Zhang, Wanli Ouyang, Yuqiang Li, Dongzhan Zhou
Preprint, 2025
[PDF]


MolReFlect: Towards In-Context Fine-grained Alignments between Molecules and Texts

Jiatong Li, Yunqing Liu, Wei Liu, Jingdi Lei, Di Zhang, Wenqi Fan, Dongzhan Zhou, Yuqiang Li, Qing Li
IEEE Transactions on Knowledge and Data Engineering, 2026
[PDF]


Capturing Momentum: Tennis Match Analysis Using Machine Learning and Time Series Theory

Jingdi Lei, Tianqi Kang, Yuluan Cao, Shiwei Ren
Preprint, 2024
[PDF]


In-Vehicle Acoustic Event Detection Model Based on Deep Neural Network

Jingdi Lei, Yilin Cheng, Jing Wang, Liang Xu, Jianqian Zhang, Zhiyu Li
ICCSI 2023
[PDF]