師資隊伍

前沿計算研究中心

李彤陽

職稱:助理教授

研究所:前沿計算研究中心

研究領域:量子算法設計(特别是量子機器學習、量子優化算法)、量子複雜性理論、量子模拟、量子遊走

辦公電話:86 (0)10 6276-6141

電子郵件:tongyanglipku.edu.cn

個人主頁:https://www.tongyangli.com/

簡介

李彤陽,現任beat365前沿計算研究中心助理教授,博士生導師,beat365博雅青年學者,國家自然科學基金面上項目、重大研究計劃培育項目負責人。他于2015年在清華大學交叉信息研究院(姚班)和數學科學系分别獲得工學士學位和理學士學位,2020年在美國馬裡蘭大學獲得博士學位,之後在美國麻省理工學院從事博士後研究工作,于2021年7月正式加入beat365前沿計算研究中心。他的科研圍繞量子計算、理論計算機、人工智能的交叉領域展開,研究成果已在Journal of the ACM、Physical Review Letters、IEEE Transactions on Information Theory、STOC、ICML、NeurIPS、AAAI 等期刊、會議發表論文三十餘篇;8次在國際量子信息方向的權威會議 QIP 上作報告;擔任量子科學領域期刊 Quantum的期刊編輯,AQIS 2021, TQC 2022, QCTIP 2022, QIP 2023, ICLR 2024, NeurIPS 2024會議的程務委員會成員/領域主席,以及相關領域多家頂級期刊和會議的審稿人,并于 ICML 2020和ICML 2022會議中榮獲優秀審稿人獎和傑出審稿人獎。


發表論著

■ (by contribution) Han Zhong*, Jiachen Hu*, Yecheng Xue, Tongyang Li, and Liwei Wang. Provably Efficient Exploration in Quantum Reinforcement Learning with Logarithmic Worst-Case Regret. Accepted by the 41st International Conference on Machine Learning (ICML 2024).

■ (by contribution) Yexin Zhang*, Chenyi Zhang*, Cong Fang, Liwei Wang, and Tongyang Li. Quantum Algorithms and Lower Bounds for Finite-Sum Optimization. Accepted by the 41st International Conference on Machine Learning (ICML 2024).

■ (by contribution) Xinzhao Wang, Shengyu Zhang, and Tongyang Li. A Quantum Algorithm Framework for Discrete Probability Distributions with Applications to Rényi Entropy Estimation. To appear in IEEE Transactions on Information Theory, 2024.

■ Jiachen Hu, Tongyang Li, Xinzhao Wang, Yecheng Xue, Chenyi Zhang, and Han Zhong. Quantum Non-Identical Mean Estimation: Efficient Algorithms and Fundamental Limits. Accepted by the 19th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2024).

■ Wenhao He, Tongyang Li, Xiantao Li, Zecheng Li, Chunhao Wang, and Ke Wang. Efficient Optimal Control of Open Quantum Systems. Accepted by the 19th Conference on the Theory of Quantum Computation, Communication and Cryptography (TQC 2024).

■ (by contribution) Zhiding Liang*, Zhixin Song*, Jinglei Cheng*, Hang Ren*, Tianyi Hao*, Rui Yang*, Yiyu Shi, and Tongyang Li. SpacePulse: Combining Parameterized Pulses and Contextual Subspace for More Practical VQE. Accepted by the 61st Design Automation Conference (DAC 2024).

■ (by contribution) Hao Wang*, Chenyi Zhang*, and Tongyang Li. Near-Optimal Quantum Algorithm for Minimizing the Maximal Loss. Accepted by the 12th International Conference on Learning Representations (ICLR 2024).

■ Minbo Gao, Zhengfeng Ji, Tongyang Li, and Qisheng Wang, Logarithmic-Regret Quantum Learning Algorithms for Zero-Sum Games. Accepted by the 37th Conference on Neural Information Processing Systems (NeurIPS 2023).

■ (by contribution) Yizhou Liu, Weijie J. Su, and Tongyang Li, On Quantum Speedups for Nonconvex Optimization via Quantum Tunneling Walks. Quantum, 7:1030, 2023.

■ (by contribution) Yecheng Xue*, Xiaoyu Chen*, Tongyang Li, and Shaofeng H.-C. Jiang, Near-Optimal Quantum Coreset Construction Algorithms for Clustering. Accepted by the 40th International Conference on Machine Learning (ICML 2023).

■ (by contribution) Chenyi Zhang and Tongyang Li, Quantum Lower Bounds for Finding Stationary Points of Nonconvex Functions. Accepted by the 40th International Conference on Machine Learning (ICML 2023).

■ (by contribution) Yan Zhu, Ge Bai, Yuexuan Wang, Tongyang Li, and Giulio Chiribella, Quantum autoencoders for communication-efficient quantum cloud computing. Quantum Machine Intelligence, Vol. 5, No. 27, 2023.

■ Shouvanik Chakrabarti, Andrew M. Childs, Shih-Han Hung, Tongyang Li, Chunhao Wang, and Xiaodi Wu, Quantum algorithm for estimating volumes of convex bodies. ACM Transactions on Quantum Computing Vol. 4, No. 3, 1-60, 2023; also a single-track contributed talk at the 23rd Annual Conference on Quantum Information Processing (QIP 2020; 17 among 283 submissions).

■ (by contribution) Qi Zhao, You Zhou, Alexander F. Shaw, Tongyang Li, and Andrew M. Childs, Hamiltonian simulation with random inputs. Physical Review Letters, Vol. 129, 270502, 2022; also a contributed talk at the 25th Conference on Quantum Information Processing (QIP 2022).

■ (by contribution) Zongqi Wan, Zhijie Zhang, Tongyang Li, Jialin Zhang, and Xiaoming Sun, Quantum Multi-Armed Bandits and Stochastic Linear Bandits Enjoy Logarithmic Regrets. Proceedings of the 37th AAAI Conference on Artificial Intelligence (AAAI 2023), Vol. 37, No. 8, 10087-10094, 2023.

■ (by contribution) Xiao-Ming Zhang, Tongyang Li, and Xiao Yuan, Quantum State Preparation with Optimal Circuit Depth: Implementations and Applications. Physical Review Letters, Vol. 129, 230504, 2022.

■ Nai-Hui Chia, András Gilyén, Tongyang Li, Han-Hsuan Lin, Ewin Tang, and Chunhao Wang, Sampling-based sublinear low-rank matrix arithmetic framework for dequantizing quantum machine learning, Journal of the ACM, Vol. 69, No. 5, 1-72, 2022. Previous conference version published in the Proceedings of the 52nd Annual ACM Symposium on Theory of Computing (STOC 2020), 387–400, 2020; also a contributed talk at the 23rd Annual Conference on Quantum Information Processing (QIP 2020).

■ Andrew M. Childs, Jiaqi Leng, Tongyang Li, Jin-Peng Liu, and Chenyi Zhang, Quantum simulation of real-space dynamics. Quantum, 6:860, 2022.

■ Andrew M. Childs, Tongyang Li, Jin-Peng Liu, Chunhao Wang, and Ruizhe Zhang, Quantum Algorithms for Sampling Log-Concave Distributions and Estimating Normalizing Constants. Proceedings of the 36th Conference on Neural Information Processing Systems (NeurIPS 2022), 23205-23217, 2022; also a contributed talk at the 26th Conference on Quantum Information Processing (QIP 2023).

■ Tongyang Li and Ruizhe Zhang, Quantum Speedups of Optimizing Approximately Convex Functions with Applications to Logarithmic Regret Stochastic Convex Bandits. Proceedings of the 36th Conference on Neural Information Processing Systems (NeurIPS 2022), 3152-3164, 2022.

■ (by contribution) Chenyi Zhang and Tongyang Li, Escape saddle points by a simple gradient-descent based algorithm. Proceedings of the 35th Conference on Neural Information Processing Systems (NeurIPS 2021), 8545-8556, 2021.

■ (by contribution) Chenyi Zhang*, Jiaqi Leng*, and Tongyang Li, Quantum algorithms for escaping from saddle points. Quantum, 5:529, 2021.

■ Andrew M. Childs, Shih-Han Hung, and Tongyang Li, Quantum query complexity with matrix-vector products. To appear in the 48th International Colloquium on Automata, Languages, and Programming (ICALP 2021). arXiv:2102.11349
■ Troy Lee, Tongyang Li, Miklos Santha, and Shengyu Zhang, On the cut dimension of a graph. To appear in the 2021 Computational Complexity Conference (CCC 2021). arXiv:2011.05085
■ (by contribution) Tongyang Li∗, Chunhao Wang∗, Shouvanik Chakrabarti, and Xiaodi Wu, Sublinear classical and quantum algorithms for general matrix games. To appear in the 35th AAAI Conference on Artificial Intelligence (AAAI 2021). arXiv:2012.06519
■ (by contribution) Daochen Wang∗, Xuchen You∗, Tongyang Li, and Andrew M. Childs, Quantum exploration algorithms for multi-armed bandits. To appear in the 35th AAAI Conference on Artificial Intelligence (AAAI 2021); also a contributed talk at the 4th Annual Conference on Quantum Techniques in Machine Learning (QTML 2020). arXiv:2007.07049
■ Nai-Hui Chia, Tongyang Li, Han-Hsuan Lin, and Chunhao Wang, Quantum-inspired sublinear algorithm for solving low-rank semidefinite programming. Proceedings of the 45th International Symposium on Mathematical Foundations of Computer Science (MFCS 2020), Vol. 170, 23:1–23:15, Leibniz International Proceedings in Informatics, 2020. arXiv:1901.03254
■ Nai-Hui Chia, András Gilyén, Tongyang Li, Han-Hsuan Lin, Ewin Tang, and Chunhao Wang, Sampling-based sublinear low-rank matrix arithmetic framework for dequantizing quantum machine learning. Proceedings of the 52nd Annual ACM Symposium on Theory of Computing (STOC 2020), 387–400, 2020; also a contributed talk at the 23rd Annual Conference on Quantum Information Processing (QIP 2020). arXiv:1910.06151
■ András Gilyén and Tongyang Li, Distributional property testing in a quantum world. Proceedings of the 11th Annual Conference on Innovations in Theoretical Computer Science (ITCS 2020), Vol. 151, 25:1–25:19, Leibniz International Proceedings in Informatics, 2020. arXiv:1902.00814
■ (by contribution) Shouvanik Chakrabarti∗, Yiming Huang∗, Tongyang Li, Soheil Feizi, and Xiaodi Wu, Quantum Wasserstein generative adversarial networks. Proceedings of the 33rd Annual Conference on Neural Information Processing Systems (NeurIPS 2019), 6778–6789, 2019. arXiv:1911.00111
■ (by contribution) Tongyang Li, Shouvanik Chakrabarti, and Xiaodi Wu, Sublinear quantum algorithms for training linear and kernel-based classifiers. Proceedings of the 36th International Conference on Machine Learning (ICML 2019), 3815–3824, 2019. arXiv:1904.02276
■ Shouvanik Chakrabarti, Andrew M. Childs, Tongyang Li, and Xiaodi Wu, Quantum algorithms and lower bounds for convex optimization, Quantum, 4:221, 2020; also a contributed talk at the 22nd Annual Conference on Quantum Information Processing (QIP 2019). arXiv:1809.01731
■ Tongyang Li and Xiaodi Wu, Quantum query complexity of entropy estimation. IEEE Transactions on Information Theory Vol. 65, no. 5, 2899–2921, 2019. arXiv:1710.06025
■ Fernando G.S.L. Brandão, Amir Kalev, Tongyang Li, Cedric Y.-Y. Lin, Krysta M. Svore, and Xiaodi Wu, Quantum SDP Solvers: Large Speed-ups, Optimality, and Applications to Quantum Learning. Proceedings of the 46th International Colloquium on Automata, Languages and Programming (ICALP 2019), Vol. 132, 27:1–27:14, Leibniz International Proceedings in Informatics, 2019; also a contributed talk at the 22nd Annual Conference on Quantum Information Processing (QIP 2019). arXiv:1710.02581
■ Andrew M. Childs and Tongyang Li, Efficient simulation of sparse Markovian quantum dynamics. Quantum Information & Computation 17 (2017), no. 11-12, 901–947,arXiv:1611.05543
■ (by contribution) Tongyang Li, Lei Song, Yongcai Wang, and Haisheng Tan, On Target Counting by Sequential Snapshots of Binary Proximity Sensors. In Proceedings of the 12th European Conference on Wireless Sensor Networks (EWSN 2015), pp. 19-34.