Publications (27)
Safactory: A Scalable Agentic Infrastructure for Training Trustworthy Autonomous Intelligence
Xinquan Chen, Zhenyun Yin, Shan He +38
As large models evolve from conversational assistants into autonomous agents, challenges increasingly arise from long-horizon decision making, tool use, and real environment intera…
Science objectives of the Einstein Probe mission
Weimin Yuan, Lixin Dai, Hua Feng +93
The Einstein Probe (EP) is an interdisciplinary mission of time-domain and X-ray astronomy. Equipped with a wide-field lobster-eye X-ray focusing imager, EP will discover cosmic X-…
CauCLIP: Bridging the Sim-to-Real Gap in Surgical Video Understanding via Causality-Inspired Vision-Language Modeling
Yuxin He, An Li, Cheng Xue
Surgical phase recognition is a critical component for context-aware decision support in intelligent operating rooms, yet training robust models is hindered by limited annotated cl…
Reinforcement learning with reputation-based adaptive exploration promotes the evolution of cooperation
An Li, Wenqiang Zhu, Chaoqian Wang +5
Multi-agent reinforcement learning serves as an effective tool for studying strategy adaptation in evolutionary games. Although prior work has integrated Q-learning with reputation…
A Common Synchrotron Origin for Prompt Gamma-Ray and Soft X-Ray Emission in GRBs: Evidence from Joint Spectral Analysis
Ziming Wang, Chenyu Wang, He Gao +4
The recent launches of the Einstein Probe (EP) and the Space Variable Objects Monitor (SVOM) mission have led to the detection of a growing number of long GRBs with significant, ea…
A Search for Millilensing Gamma-Ray Bursts in the Observations of Fermi GBM
Shi-Jie Lin, An Li, He Gao +8
Millilensing of Gamma-Ray Bursts (GRBs) is expected to manifest as multiple emission episodes in a single triggered GRB with similar light-curve patterns and similar spectrum prope…
Detection of an Orphan X-ray Flare from a Blazar Candidate EP240709a with Einstein Probe
Mingjun Liu, Yijia Zhang, Yun Wang +49
Blazars are often observed to flare across multiple wavelengths. Orphan flares from blazars have been only detected a few times, providing an opportunity to understand the structur…
Magnetization Factors of Gamma-Ray Burst Jets Revealed by a Systematic Analysis of the Fermi Sample
An Li, He Gao, Lin Lan +1
The composition of gamma-ray burst (GRB) jets remained a mystery until recently. In practice, we usually characterize the magnetization of the GRB jets () through the ratio b…
The Peculiar Precursor of a Gamma-Ray Burst from a Binary Merger Involving a Magnetar
Shuo Xiao, Yan-Qiu Zhang, Zi-Pei Zhu +42
The milestone discovery of GW 170817-GRB 170817A-AT 2017gfo has shown that gravitational wave (GW) could be produced during the merger of neutron star-neutron star/black hole and t…
Minutes-long soft X-ray prompt emission from a compact object merger
An Li, Chen-Wei Wang, Niccolò Passaleva +75
Compact object mergers are multi-messenger sources and progenitors of some gamma-ray bursts (GRBs), primarily understood by gamma-ray observations, while poorly constrained in the…
An Archival Optical Counterpart Search for Extragalactic Fast X-Ray Transients Discovered by Einstein Probe
Run-Duo Liang, Wen-Xiong Li, Liang-Duan Liu +50
Extragalactic fast X-ray transients (eFXTs) represent a rapidly growing class of high-energy phenomena, whose physical origins remain poorly understood. With its wide-field, sensit…
Insight-HXMT and GECAM-C observations of the brightest-of-all-time GRB 221009A
Zheng-Hua An, S. Antier, Xing-Zi Bi +174
GRB 221009A is the brightest gamma-ray burst ever detected since the discovery of this kind of energetic explosions. However, an accurate measurement of the prompt emission propert…
GenPC: Zero-shot Point Cloud Completion via 3D Generative Priors
An Li, Zhe Zhu, Mingqiang Wei
Existing point cloud completion methods, which typically depend on predefined synthetic training datasets, encounter significant challenges when applied to out-of-distribution, rea…
UAV-Enabled Cooperative Jamming for Improving Secrecy of Ground Wiretap Channel
An Li, Qingqing Wu, Rui Zhang
This letter proposes a novel UAV-enabled mobile jamming scheme to improve the secrecy rate of ground wiretap channel. Specifically, a UAV is employed to transmit jamming signals to…
Electronic, vibrational and transport properties of pnictogen substituted ternary skutterudites
Dmitri Volja, Boris Kozinsky, An Li +3
First principles calculations are used to investigate electronic band structure and vibrational spectra of pnictogen substituted ternary skutterudites. We compare the results with…
Jointly Correlated Dual-Side Fluid Antenna System
Zhentian Zhang, Yuanhui Wu, Kai-Kit Wong +2
Fluid antenna systems (FASs) have introduced a new paradigm for wireless system design by revealing how mutual correlation can be exploited to harvest inherent spatial diversity. W…
Exploring Supermassive Compact Dark Matter with the Millilensing Effect of Gamma-Ray Bursts
Huan Zhou, An Li, Shi-Jie Lin +3
Gravitational lensing effect is one of most significant observational probes to investigate compact dark matter/objects over a wide mass range. In this work, we first propose to de…
Longitudinal compression of macro relativistic electron beam
An Li, Jiaru Shi, Hao Zha +3
We presented a novel concept of longitudinal bunch train compression capable of manipulating relativistic electron beam in range of hundreds of meters. This concept has the potenti…
Necessary optimality conditions for optimal control problems with nonsmooth mixed state and control constraints
An Li, Jane Ye
In this paper we study an optimal control problem with nonsmooth mixed state and control constraints. In most of the existing results, the necessary optimality condition for optima…
Necessary optimality conditions for implicit control systems with applications to control of differential algebraic equations
An Li, Jane J. Ye
In this paper we derive necessary optimality conditions for optimal control problems with nonlinear and nonsmooth implicit control systems. Implicit control systems have wide appli…
High-Load-Density Electro-Permanent Magnetic Foot with Controllable Adhesion for Quadruped Wall-Climbing Robots
An Li, Bo Tao, I-Ming Chen +1
To enable reliable climbing locomotion of quadruped robots on ferromagnetic surfaces, this paper presents a high-load-density electro-permanent magnetic foot with controllable adhe…
Longitudinal Compression of Macro Relativistic Electron Beam
An Li, Jiaru Shi, Hao Zha +3
We presented a novel concept of longitudinal bunch train compression capable of manipulating relativistic electron beam in range of hundreds of meters. This concept has the potenti…
GRB 221009A: An ordinary nearby GRB with extraordinary observational properties
Lin Lan, He Gao, An Li +16
The gamma-ray burst GRB 221009A, known as the ``brightest-of-all-time" (BOAT), is the closest energetic burst detected so far, with an energy of ergs.…
A Magnetic Compression method for sub-THz electron beam generation from RF freqencies
An Li, Jiaru Shi, Hao Zha +2
Current THz electron sources struggle with low energy gain and device miniaturization. We propose a magnetic compression method designed for relativistic electrons to perform post-…
Continuously tunable dipolar exciton geometry for controlling bosonic quantum phase transitions
Zhenyu Sun, Haoteng Sun, Xiaohang Jia +12
The geometry and binding energy of excitons, set by electron-hole wavefunction distributions, are fundamental factors that underpin their many-body interactions and determine optoe…
EP250207b is not a collapsar fast X-ray transient. Is it due to a compact object merger?
P. G. Jonker, A. J. Levan, Xing Liu +41
Fast X-ray Transients (FXTs) are short-lived extra-galactic X-ray sources. Recent progress through multi-wavelength follow-up of Einstein Probe discovered FXTs has shown that sever…
A Prior-Guided Joint Diffusion Model in Projection Domain for PET Tracer Conversion
Fang Chen, Weifeng Zhang, Xingyu Ai +3
Positron emission tomography (PET) is widely used to assess metabolic activity, but its application is limited by the availability of radiotracers. 18F-labeled fluorodeoxyglucose (…