Publications
Journal/Conference Papers
Simultaneous Estimation of Nonlinear Functionals of a Quantum State
[pdf], [arXiv:2505.16715]
Kean Chen, Qisheng Wang, Zhan Yu, Zhicheng Zhang
AQIS 2025, and IEEE T-IT, 2026Local Test for Unitarily Invariant Properties of Bipartite Quantum States
[pdf], [arXiv:2404.04599]
Kean Chen, Qisheng Wang, Zhicheng Zhang
IEEE T-IT, 2026Quantum Multi-Level Estimation of Functionals of Discrete Distributions
[pdf], [arXiv:2605.03685]
Kean Chen, Minbo Gao, Tongyang Li, Qisheng Wang, Xinzhao Wang
ICALP 2026Strict Hierarchy for Quantum Channel Certification to Unitary
[pdf], [arXiv:2604.26900]
Kean Chen, Qisheng Wang, Zhicheng Zhang
ICALP 2026Approximation does not help in quantum unitary time-reversal
[pdf], [arXiv:2507.05736]
Kean Chen, Nengkun Yu, Zhicheng Zhang
STOC 2026AlphaSyndrome: Tackling the Syndrome Measurement Circuit Scheduling Problem for QEC Codes
[pdf], [arXiv:2601.12509]
Yuhao Liu, Shuohao Ping, Junyu Zhou, Ethan Decker, Justin Kalloor, Mathias Weiden, Kean Chen, Yunong Shi, Ali Javadi-Abhari, Costin Iancu, Gushu Li
ASPLOS 2026Improved Sample Upper and Lower Bounds for Trace Estimation of Quantum State Powers
[pdf], [arXiv:2505.09563]
Kean Chen, Qisheng Wang
COLT 2025Verifying Fault-Tolerance of Quantum Error Correction Codes
[pdf], [arXiv:2501.14380]
Kean Chen, Yuhao Liu, Wang Fang, Jennifer Paykin, Xin-Chuan Wu, Albert Schmitz, Steve Zdancewic, Gushu Li
CAV 2025Automatic Test Pattern Generation for Robust Quantum Circuit Testing
[pdf], [arXiv:2202.10697]
Kean Chen, Mingsheng Ying
ACM TODAES, 2024Unitarity Estimation for Quantum Channels
[pdf], [arXiv:2212.09319]
Kean Chen, Qisheng Wang, Peixun Long, Mingsheng Ying
IEEE T-IT, 2023Quantum Algorithm for Fidelity Estimation
[pdf], [arXiv:2103.09076]
Qisheng Wang, Zhicheng Zhang, Kean Chen, Ji Guan, Wang Fang, Junyi Liu, Mingsheng Ying
IEEE T-IT, 2023Spatio-Temporal Point Process for Multiple Object Tracking
[pdf], [arXiv:2302.02444]
Tao Wang, Kean Chen, Weiyao Lin, John See, Zenghui Zhang, Qian Xu, Xia Jia
IEEE TNNLS, 2023End-to-End Video Instance Segmentation via Spatial-Temporal Graph Neural Networks
[pdf], [arXiv:2203.03145]
Tao Wang, Ning Xu, Kean Chen, Weiyao Lin
ICCV 2021AP-Loss for Accurate One-Stage Object Detection
[pdf], [arXiv:2008.07294]
Kean Chen, Weiyao Lin, Jianguo Li, John See, Ji Wang, Junni Zou
IEEE T-PAMI, 2021PIoU Loss: Towards Accurate Oriented Object Detection in Complex Environments
[pdf], [arXiv:2007.09584]
Zhiming Chen, Kean Chen, Weiyao Lin, John See, Hui Yu, Yan Ke, Cong Yang
ECCV 2020Towards Accurate One-Stage Object Detection with AP-Loss
[pdf], [arXiv:1904.06373]
Kean Chen, Jianguo Li, Weiyao Lin, John See, Ji Wang, Lingyu Duan, Zhibo Chen, Changwei He, Junni Zou
CVPR 2019
Manuscripts
Quantum channel tomography: optimal bounds and a Heisenberg-to-classical phase transition
[pdf], [arXiv:2604.17369]
Kean Chen, Filippo Girardi, Aadil Oufkir, Nengkun Yu, Zhicheng Zhang
arXiv:2604.17369, 2026
This paper subsumes prior papers [arXiv:2512.13614], [arXiv:2601.04180], [arXiv:2601.10683]TopoLS: Lattice Surgery Compilation via Topological Program Transformations
[pdf], [arXiv:2601.23109]
Junyu Zhou, Yuhao Liu, Ethan Decker, Justin Kalloor, Mathias Weiden, Kean Chen, Costin Iancu, Gushu Li
arXiv:2601.23109, 2026Optimal lower bound for quantum channel tomography in away-from-boundary regime
[pdf], [arXiv:2601.10683]
Kean Chen, Zhicheng Zhang, Nengkun Yu
arXiv:2601.10683, 2026Quantum channel tomography and estimation by local test
[pdf], [arXiv:2512.13614]
Kean Chen, Nengkun Yu, Zhicheng Zhang
arXiv:2512.13614, 2025A List of Complexity Bounds for Property Testing by Quantum Sample-to-Query Lifting
[pdf], [arXiv:2512.01971]
Kean Chen, Qisheng Wang, Zhicheng Zhang
arXiv:2512.01971, 2025Inverse-free quantum state estimation with Heisenberg scaling
[pdf], [arXiv:2510.25750]
Kean Chen
arXiv:2510.25750, 2025VeriQBench: A Benchmark for Multiple Types of Quantum Circuits
[pdf], [arXiv:2206.10880]
Kean Chen, Wang Fang, Ji Guan, Xin Hong, Mingyu Huang, Junyi Liu, Qisheng Wang, Mingsheng Ying
arXiv:2206.10880, 2022