Publications (48)
Image Compressed Sensing with Multi-scale Dilated Convolutional Neural Network
Zhifeng Wang, Zhenghui Wang, Chunyan Zeng +2
Deep Learning (DL) based Compressed Sensing (CS) has been applied for better performance of image reconstruction than traditional CS methods. However, most existing DL methods util…
Numerical Investigation of Localization in Two-Dimensional Quasiperiodic Mosaic Lattice
Hui-Hui Wang, Si-Si Wang, Yan Yu +5
A one-dimensional lattice model with mosaic quasiperiodic potential is found to exhibit interesting localization properties, e.g., clear mobility edges [Y. Wang et al., Phys. Rev.…
Vibrational Kerr solitons in an optomechanical microresonator
Jia-Chen Shi, Qing-Xin Ji, Qi-Tao Cao +4
Soliton microcombs based on Kerr nonlinearity in microresonators have been a prominent miniaturized coherent light source. Here, for the first time, we demonstrate the existence of…
In-gap bound states induced by a single nonmagnetic impurity in sign-preserving s-wave superconductors with incipient bands
Yi Gao, Yan Yu, Tao Zhou +2
We have investigated the in-gap bound states (IGBS) induced by a single nonmagnetic impurity in multiband superconductors with incipient bands. Contrary to the naive expectation, w…
Gain-assisted chiral soliton microcombs
Teng Tan, Hao-Jing Chen, Zhongye Yuan +8
The emerging microresonator-based frequency combs revolutionize a broad range of applications from optical communications to astronomical calibration. Despite of their significant…
A Robust Geometric Distortion Solution for Main Survey Camera of CSST
Yibo Yan, You Wu, Jundan Nie +30
The advancement in sensitivity and field of view of next-generation wide-field survey telescopes requires astrometric measurements with high precision, even in the presence of sign…
Goal Discovery with Causal Capacity for Efficient Reinforcement Learning
Yan Yu, Yaodong Yang, Zhengbo Lu +3
Causal inference is crucial for humans to explore the world, which can be modeled to enable an agent to efficiently explore the environment in reinforcement learning. Existing rese…
A New Bayesian Huberised Regularisation and Beyond
Sanna Soomro, Keming Yu, Yan Yu
Robust regression has attracted a great amount of attention in the literature recently, particularly for taking asymmetricity into account simultaneously and for high-dimensional a…
Engineered zero-dispersion microcombs using CMOS-ready photonics
Qing-Xin Ji, Warren Jin, Lue Wu +14
Normal group velocity dispersion (GVD) microcombs offer high comb line power and high pumping efficiency compared to bright pulse microcombs. The recent demonstration of normal GVD…
ELSPR: Evaluator LLM Training Data Self-Purification on Non-Transitive Preferences via Tournament Graph Reconstruction
Yan Yu, Yilun Liu, Minggui He +9
Pairwise evaluation of large language models (LLMs) has become the dominant paradigm for benchmarking open-ended tasks, yet non-transitive preferences, where evaluators prefer A ov…
High order finite difference WENO methods with unequal-sized sub-stencils for the Degasperis-Procesi type equations
Jianfang Lin, Yan Yu, Huiwen Xue +1
In this paper, we develop two finite difference weighted essentially non-oscillatory (WENO) schemes with unequal-sized sub-stencils for solving the Degasperis-Procesi (DP) and …
Constraining Proper Motion of Strongly Lensed Eccentric Binary Mergers using Doppler Triangulation
Johan Samsing, Lorenz Zwick, Pankaj Saini +5
Strong lensing of gravitational wave (GW) sources allows the observer to see the GW source from different lines-of-sight (LOS) through the corresponding images, which provides a wa…
Hidden sign-changing -wave superconductivity in monolayer FeSe
Yi Gao, Yan Yu, Tao Zhou +2
Combining the recent scanning tunneling microscopy (STM) and angle-resolved photoemission spectroscopy (ARPES) measurements, we construct a tight-binding model suitable for describ…
Measuring the Transverse Velocity of Strongly Lensed Gravitational Wave Sources with Ground Based Detectors
Johan Samsing, Lorenz Zwick, Pankaj Saini +7
Observations of strongly gravitationally lensed gravitational wave (GW) sources provide a unique opportunity for constraining their transverse motion, which otherwise is exceedingl…
MIDB: Multilingual Instruction Data Booster for Enhancing Cultural Equality in Multilingual Instruction Synthesis
Yilun Liu, Chunguang Zhao, Xinhua Yang +9
Despite doubts on data quality, instruction synthesis has been widely applied into instruction tuning (IT) of LLMs as an economic and rapid alternative. Recent endeavors focus on i…
Soliton pulse pairs at multiple colors in normal dispersion microresonators
Zhiquan Yuan, Maodong Gao, Yan Yu +7
Soliton microcombs are helping to advance the miniaturization of a range of comb systems. These combs mode lock through the formation of short temporal pulses in anomalous dispersi…
Systematic Performance Evaluation of Multipoint Protocols
Ahmed Helmy, Sandeep Gupta, Deborah Estrin +2
The advent of multipoint (multicast-based) applications and the growth and complexity of the Internet has complicated network protocol design and evaluation. In this paper, we pres…
Heavy -wave quarkonium production via Higgs decays
Qi-Li Liao, Ya Deng, Yan Yu +2
The production of the heavy quarkonium, i.e., (or ), , and - quarkonium [$|(Q\bar{Q'})[…
Efficient and wavelength-tunable second-harmonic generation towards the green gap
Zhiquan Yuan, Jinhao Ge, Peng Liu +7
Achieving compact and efficient visible laser sources is crucial for a wide range of applications. However traditional semiconductor laser technology faces difficulties in producin…
Effects of Boundary on Orbital Magnetization for a Bilayer System with Different Chern Numbers
Si-Si Wang, Yan Yu, Ji-Huan Guan +3
The real space formalism of orbital magnetization (OM) is an average of the local OM over some appropriate region of the system. Previous studies prefer a bulk average (i.e., witho…
Localization Trajectory and Chern-Simons axion coupling for Bilayer Quantum Anomalous Hall Systems
Si-Si Wang, Yan-Yang Zhang, Ji-Huan Guan +3
Quantum anomalous Hall (QAH) multilayers provide a platform of topological materials with high Chern numbers. We investigate the localization routes of bilayer QAH systems with Che…
Obstacles to Constructing de Sitter Space in String Theory
Michael Dine, Jamie A. P. Law-Smith, Shijun Sun +2
There have been many attempts to construct de Sitter space-times in string theory. While arguably there have been some successes, this has proven challenging, leading to the de Sit…
Comparative analysis of missing data imputation methods for CSST survey: Impact on photometric redshift estimation performance
Ling Wang, Zhu Chen, Zhijian Luo +42
Improving the accuracy of photometric redshifts (photo-) is essential for reliable statistical studies of cosmology and galaxy evolution. However, missing photometric bands are…
Chebyshev Polynomial Method to Landauer-Büttiker Formula of Quantum Transport in Nanostructures
Yan Yu, Yan-Yang Zhang, Lei Liu +4
Landauer-Büttiker formula describes the electronic quantum transports in nanostructures and molecules. It will be numerically demanding for simulations of complex or large size sy…
Melanopogenesis: Dark Matter of (almost) any Mass and Baryonic Matter from the Evaporation of Primordial Black Holes weighing a Ton (or less)
Logan Morrison, Stefano Profumo, Yan Yu
The evaporation of primordial black holes with a mass in the 1000 kg range can lead to the production of dark matter particles of almost…
Multicolor interband solitons in microcombs
Qing-Xin Ji, Hanfei Hou, Jinhao Ge +10
In microcombs, solitons can drive non-soliton-forming modes to induce optical gain. Under specific conditions, a regenerative secondary temporal pulse coinciding in time and space…
Challenges to Obtaining Results for Real QCD from SUSY QCD
Michael Dine, Yan Yu
Recently there have been proposals to understand features of QCD such as confinement and chiral symmetry breaking by considering supersymmetric versions of the theory with various…
Design, Testing, and Commissioning of the Sun Yat-sen University (SYSU) 80 cm Infrared Telescope
Zhong-Nan Dong, Bin Ma, Chun Chen +23
The Sun Yat-sen University (SYSU) 80 cm telescope is a new generation near-infrared (NIR) facility in China dedicated to time-domain astronomy, while also serving as a testbed for…
Submillimeter-Accurate 3D Lumbar Spine Reconstruction from Biplanar X-Ray Images: Incorporating a Multi-Task Network and Landmark-Weighted Loss
Wanxin Yu, Zhemin Zhu, Cong Wang +5
To meet the clinical demand for accurate 3D lumbar spine assessment in a weight-bearing position, this study presents a novel, fully automatic framework for high-precision 3D recon…
Numerical Study of Disorder on the Orbital Magnetization in Two Dimensions
Si-Si Wang, Yan-Yang Zhang, Ji-Huan Guan +3
The modern theory of orbital magnetization (OM) was developed by using Wannier function method, which has a formalism similar with the Berry phase. In this manuscript, we perform a…
Skipped Feature Pyramid Network with Grid Anchor for Object Detection
Li Pengfei, Wei Wei, Yan Yu +2
CNN-based object detection methods have achieved significant progress in recent years. The classic structures of CNNs produce pyramid-like feature maps due to the pooling or other…
DA-Code: Agent Data Science Code Generation Benchmark for Large Language Models
Yiming Huang, Jianwen Luo, Yan Yu +8
We introduce DA-Code, a code generation benchmark specifically designed to assess LLMs on agent-based data science tasks. This benchmark features three core elements: First, the ta…
Investigating the multi-drifting behavior of subpulses in PSR J20070910 with the FAST
Xin Xu, Lunhua Shang, Qijun Zhi +7
The multi-drifting subpulse behaviors in PSR J2007+0910 have been studied carefully with the high sensitivity observations of the Five-hundred-meter Aperture Spherical radio Telesc…
Abs-CAM: A Gradient Optimization Interpretable Approach for Explanation of Convolutional Neural Networks
Chunyan Zeng, Kang Yan, Zhifeng Wang +3
The black-box nature of Deep Neural Networks (DNNs) severely hinders its performance improvement and application in specific scenes. In recent years, class activation mapping-based…
Penalized Maximum Tangent Likelihood Estimation and Robust Variable Selection
Yichen Qin, Shaobo Li, Yang Li +1
We introduce a new class of mean regression estimators -- penalized maximum tangent likelihood estimation -- for high-dimensional regression estimation and variable selection. We f…
Comments on the Transplanckian Censorship Conjecture
Michael Dine, Yan Yu
We consider some aspects of the Transplanckian Censorship Conjecture, which states that for theories of quantum gravity which yield a quintessence universe, there is a limit on the…
and its excited meson production via top quark decays at the LHC
Qi-Li Liao, Yan Yu, Ya Deng +2
In this work we evaluate the masses of the or quarkonium ( or meson) under the B.T. potential, and th…
Transport through Quantum Anomalous Hall Bilayers with Lattice Mismatch
Yan Yu, Yan-Yang Zhang, Si-Si Wang +4
We theoretically investigate quantum transport properties of quantum anomalous Hall bilayers, with arbitrary ratio of lattice constants, i.e., with lattice mismatch. In the simples…
HierSearch: A Hierarchical Enterprise Deep Search Framework Integrating Local and Web Searches
Jiejun Tan, Zhicheng Dou, Yan Yu +4
Recently, large reasoning models have demonstrated strong mathematical and coding abilities, and deep search leverages their reasoning capabilities in challenging information retri…
SMAC-Hard: Enabling Mixed Opponent Strategy Script and Self-play on SMAC
Yue Deng, Yan Yu, Weiyu Ma +4
The availability of challenging simulation environments is pivotal for advancing the field of Multi-Agent Reinforcement Learning (MARL). In cooperative MARL settings, the StarCraft…
All-optical computing with beyond 100-GHz clock rates
Gordon H. Y. Li, Midya Parto, Jinhao Ge +9
A computer's clock rate ultimately determines the minimum time between sequential operations or instructions. Despite exponential advances in electronic computer performance owing…
Self-regulating soliton domain walls in microresonators
Heming Wang, Boqiang Shen, Yan Yu +9
Dissipative soliton Kerr frequency combs in microresonators have recently been demonstrated with the self-injection locking process. They have the advantage of turnkey deterministi…
Excited Heavy Quarkonium Production via Z^0 Decays at a High Luminosity Collider
Qi-Li Liao, Yan Yu, Ya Deng +2
We present a systematic study of the production of the heavy quarkonium, i.e., , (or ), and $|(b\bar{b})[n…
Possible spin excitation structure in monolayer FeSe grown on SrTiO
Yi Gao, Yan Yu, Tao Zhou +2
Based on recent high-resolution angle-resolved photoemission spectroscopy measurement in monolayer FeSe grown on SrTiO, we constructed a tight-binding model and proposed a su…
Identifying Genetic Variants for Obesity: A Knowledge Integration Quantile Regression (KIQR) Approach for Ultra-High-Dimensional Data
Jiantong Wang, Heng Lian, Yan Yu +2
Obesity is widely recognized as a serious and pervasive health concern. We study obesity through body mass index (BMI), which is known to be highly heritable, and identify importan…
Cosmic Ray Detection and Rejection for CSST
Yan Yu, Bin Ma, Tianmeng Zhang +2
As a space telescope, the China Space Station Survey Telescope (CSST) will face significant challenges from cosmic ray (CR) contamination. These CRs will severely degrade image qua…
Model Evolution Framework with Genetic Algorithm for Multi-Task Reinforcement Learning
Yan Yu, Wengang Zhou, Yaodong Yang +3
Multi-task reinforcement learning employs a single policy to complete various tasks, aiming to develop an agent with generalizability across different scenarios. Given the shared c…
Soliton generation in AlGaAs microresonators at room temperature
Lue Wu, Weiqiang Xie, Chao Xiang +7
Chip-integrated optical frequency combs are attractive optical sources in comb applications requiring high-repetition-rate, low power consumption, or compact size. Spontaneous soli…