Publications (53)
A magnetic white dwarf formed through a binary merger within 35 million years
Huahui Yan, Jiamao Lin, Rizhong Zheng +15
White dwarfs (WDs) represent the final evolutionary stage of most stars, typically originating from progenitor stars with masses below approximately 8 to 10 …
A New Algol-type Binary with an Accretion disk
Tongyu He, Jiao Li, Xiaobin Zhang +10
We present a comprehensive photometric and spectroscopic analysis of the Algol-type binary \textit{Gaia} DR3 1892576067672499328. We identified the system as a spectroscopic binary…
Formation of Be stars via wind accretion: Case study on Black hole + Be star binaries
Zhenwei Li, Shi Jia, Dandan Wei +5
Be stars are rapidly rotating main-sequence (MS) stars that play a crucial role in understanding stellar evolution and binary interactions. In this letter, we propose a new formati…
Towards Efficient Few-shot Graph Neural Architecture Search via Partitioning Gradient Contribution
Wenhao Song, Xuan Wu, Bo Yang +6
To address the weight coupling problem, certain studies introduced few-shot Neural Architecture Search (NAS) methods, which partition the supernet into multiple sub-supernets. Howe…
Mass Transfer Physics in Binary Stars and Applications in Gravitational Wave Sources
Hongwei Ge, Zhanwen Han
The stability criteria of rapid mass transfer and common-envelope evolution are fundamental in binary star evolution. They determine the mass, mass ratio, and orbital distribution…
The thermal equilibrium mass loss model and its applications in binary evolution
Hongwei Ge, Ronald F Webbink, Zhanwen Han
Binary evolution is indispensable in stellar evolution to understand the formation and evolution of most peculiar and energetic objects, such as binary compact objects, Type Ia sup…
Asteroseismic rotation rates of hot subdwarf B stars hint at transient accretion from leftover common envelope matter
Facundo D. Moyano, Hongwei Ge, Zhanwen Han +6
Asteroseismology enabled measuring the rotation rate in the deep stellar interiors of stars across several evolutionary phases, advancing the theory of angular momentum transport i…
First double red giant Algol system with active mass transfer
Mikhail Kovalev, Hailiang Chen, Sufen Guo +7
Double red giant stars are very important for studies of the stability of mass transfer, common-envelope evolution, and the formation of double white dwarfs with short orbital peri…
Mass-Orbital Period Distribution of Massive White Dwarfs Formed Through Stable Mass Transfer
Rizhong Zheng, Hongwei Ge, Christopher A Tout +10
White dwarfs (WDs) in binaries can form through either the stable mass-transfer process or common envelope evolution (CEE). Compared to CEE, the stable mass-transfer process can le…
Exploring Overall Contextual Information for Image Captioning in Human-Like Cognitive Style
Hongwei Ge, Zehang Yan, Kai Zhang +2
Image captioning is a research hotspot where encoder-decoder models combining convolutional neural network (CNN) and long short-term memory (LSTM) achieve promising results. Despit…
Binary Population Synthesis
Zhanwen Han, Hongwei Ge, Xuefei Chen +1
Binary interactions lead to the formation of intriguing objects, such as compact binaries, supernovae, gamma ray bursts, X-ray binaries, pulsars, novae, cataclysmic variables, hot…
Bridging the Gap Between Theory and Practice: Benchmarking Transfer Evolutionary Optimization
Yaqing Hou, Wenqiang Ma, Abhishek Gupta +5
In recent years, the field of Transfer Evolutionary Optimization (TrEO) has witnessed substantial growth, fueled by the realization of its profound impact on solving complex proble…
Adiabatic Mass Loss in Binary Stars - I. Computational Method
Hongwei Ge, Michael S. Hjellming, Ronald F. Webbink +2
The asymptotic response of donor stars in interacting binary systems to very rapid mass loss is characterized by adiabatic expansion throughout their interiors. In this limit, ener…
Gravitational Wave Astronomy With TianQin
En-Kun Li, Shuai Liu, Alejandro Torres-Orjuela +50
The paper outlines the scientific potential of the TianQin space‑based gravitational‑wave observatory, describing the types of compact‑object sources it can detect in the mHz band…
Evolved cataclysmic variables as progenitors of AM CVn stars
Arnab Sarkar, Hongwei Ge, Christopher A. Tout
We model cataclysmic variables (CVs) with solar metallicity donors () that evolve to form AM CVn stars through the Evolved CV formation channel using various angula…
A Reference Vector based Many-Objective Evolutionary Algorithm with Feasibility-aware Adaptation
Mingde Zhao, Hongwei Ge, Kai Zhang +1
The infeasible parts of the objective space in difficult many-objective optimization problems cause trouble for evolutionary algorithms. This paper proposes a reference vector base…
A new route to massive hot subdwarfs: common envelope ejection from asymptotic giant branch stars
Zhenwei Li, Yangyang Zhang, Hailiang Chen +5
The hot subdwarf O/B stars (sdO/Bs) are known as extreme horizontal branch stars, which is of great importance in stellar evolution theory. The sdO/Bs are generally thought to have…
The Common Envelope Evolution Outcome. II. Short Orbital Period Hot Subdwarf B Binaries Reveal a Clear Picture
Hongwei Ge, Christopher A Tout, Ronald F Webbink +6
The common envelope evolution (CEE) is vital in forming short orbital period compact binaries. It covers many objects, such as double compact merging binaries, type Ia supernovae p…
The short-period limit of contact binaries
Dengkai Jiang, Zhanwen Han, Hongwei Ge +2
The stability of mass transfer is important in the formation of contact binaries from detached binaries when the primaries of the initially detached binaries fill their Roche lobes…
The Distribution of Semi-Detached Binaries. I.An Efficient Pipeline
JianPing Xiong, Xu Ding, Jiadong Li +5
Semi-detached binaries are in the stage of mass transfer and play a crucial role in studying mass transfer physics between interacting binaries. Large-scale time-domain surveys pro…
Adiabatic Mass Loss in Binary Stars. V. Effects of Metallicity and Nonconservative Mass Transfer -- Application in High Mass X-ray Binaries
Hongwei Ge, Christopher Adam Tout, Xuefei Chen +5
Binary stars are responsible for many unusual astrophysical phenomena, including some important explosive cosmic events. The stability criteria for rapid mass transfer and common-e…
Influence of mass-transfer stability on the formation of post-common-envelope binaries
Yanxu Shi, Hongwei Ge, Zhenwei Li +9
Post-common-envelope binaries are the natural laboratories for constraining the physics of common envelope evolution, which is one of the most uncertain phases in binary stellar ev…
New insights into the helium star formation channel of AM CVn systems with explanations of Gaia14aae and ZTFJ1637+49
Arnab Sarkar, Hongwei Ge, Christopher A. Tout
We model helium-rich stars with solar metallicity () progenitors that evolve to form AM Canum Venaticorum systems through a helium-star formation channel, with the…
Generalizable Meta-Heuristic based on Temporal Estimation of Rewards for Large Scale Blackbox Optimization
Mingde Zhao, Hongwei Ge, Yi Lian +1
The generalization abilities of heuristic optimizers may deteriorate with the increment of the search space dimensionality. To achieve generalized performance across Large Scale Bl…
The progenitors of type Ia supernovae in the semidetached binaries with red giant donors
Dongdong Liu, Bo Wang, Hongwei Ge +2
Context. The companions of the exploding carbon-oxygen white dwarfs (CO WDs) for producing type Ia supernovae (SNe Ia) are still not conclusively confirmed. A red-giant (RG) star h…
One model to rule them all: magnetic braking from CVs to low-mass stars
Arnab Sarkar, Hongwei Ge, Lev Yungelson +1
We present the results of the study of cataclysmic variables (CVs) and AM Canum Venaticorum (AM CVn) stars with our double dynamo (DD) formalism of angular momentum loss (AML) by m…
Influence of a mass transfer stability criterion on double white dwarf populations
Zhenwei LI, Xuefei Chen, Hongwei Ge +2
Mass transfer stability is an essential issue in binary evolution. Ge et al. studied critical mass ratios for dynamically stable mass transfer by establishing adiabatic mass loss m…
Stellar Parameters and Orbital Period Estimates for Composite-Spectrum sdB+MS Binaries from LAMOST
Jiangdan Li, Jianping Xiong, Jiao Li +5
Hot subdwarf (sdB) stars in binary systems with main-sequence (MS) companions provide valuable insights into mass transfer and envelope ejection processes in binary evolution. Thei…
Discovery and characterization of ZTF J0112+5827: An 80.9-minute polar with strong cyclotron features
Jiamao Lin, Liangliang Ren, Chengyuan Li +9
We report the discovery and characterization of ZTF J0112+5827, a new magnetic cataclysmic variable with an orbital period of 80.9 minutes. ROSAT observations revealed X-ray emissi…
The Common Envelope Evolution Outcome -- A Case Study on Hot Subdwarf B Stars
Hongwei Ge, Christopher A Tout, Xuefei Chen +6
Common envelope evolution (CEE) physics plays a fundamental role in the formation of binary systems, such as mergering stellar gravitational wave sources, pulsar binaries and type…
A Many-Objective Evolutionary Algorithm With Two Interacting Processes: Cascade Clustering and Reference Point Incremental Learning
Hongwei Ge, Mingde Zhao, Liang Sun +4
Researches have shown difficulties in obtaining proximity while maintaining diversity for many-objective optimization problems. Complexities of the true Pareto front pose challenge…
Adiabatic Mass Loss in Binary Stars. II. From Zero-Age Main Sequence to the Base of the Giant Branch
Hongwei Ge, Ronald F. Webbink, Xuefei Chen +1
In the limit of extremely rapid mass transfer, the response of a donor star in an interacting binary becomes asymptotically one of adiabatic expansion. We survey here adiabatic mas…
Troublemaker Learning for Low-Light Image Enhancement
Yinghao Song, Zhiyuan Cao, Wanhong Xiang +5
Low-light image enhancement (LLIE) restores the color and brightness of underexposed images. Supervised methods suffer from high costs in collecting low/normal-light image pairs. U…
EFormer: An Effective Edge-based Transformer for Vehicle Routing Problems
Dian Meng, Zhiguang Cao, Yaoxin Wu +3
Recent neural heuristics for the Vehicle Routing Problem (VRP) primarily rely on node coordinates as input, which may be less effective in practical scenarios where real cost metri…
Fates of the sub-stellar objects (FOSSO) I. Fates of the known brown dwarfs in main-sequence--BD binaries
Zhangliang Chen, Hongming Jin, Hongwei Ge +4
Context. Understanding the survival and orbital evolution of brown dwarf (BD) companions during the post-main-sequence (MS) evolution of their host stars is increasingly important,…
Searching for White Dwarf Candidates Formed Through Binary evolution in Star Clusters
Huahui Yan, Li Wang, David R. Miller +11
White dwarfs (WDs), the evolutionary endpoints of most stars, can form through both single-star and binary channels. While single-star evolutionary models enable reliable WD age es…
A post-common-envelope binary with double-peaked Balmer emission lines from TMTS
Qichun Liu, Xiaofeng Wang, Jie Lin +20
The dynamical method provides an efficient way to discover post-common-envelope binaries (PCEB) with faint white dwarfs (WDs), thanks to the development of time-domain survey proje…
Dynamical binary interactions in the 2040s
Nadejda Blagorodnova, OndÅej Pejcha, Tomek KamiÅski +15
Dynamical binary interactions such as common envelope (CE) evolution or stellar mergers are a critical phase in the formation of a wide variety of binary phenomena, ranging from bl…
Formation of Extremely Low-mass White Dwarf Binaries Undergoing Enhanced Angular Momentum Loss
Ziqi Zhao, Zhenwei Li, Zhengwei Liu +6
Extremely low-mass white dwarfs (ELM WDs) are helium (He) WDs with masses below , mainly formed through binary interaction. ELM WD binaries typically are forme…
A Be Star + He Star Binary as an Indicator of a Binary Mass Transfer Phase
Yuchen Bao, Zhenwei Li, Hongwei Ge +2
The rapid rotation of Be stars is supposed to mainly originate from binary evolution. In recent years, more and more Be stars with helium (He) star companions have been discovered,…
Adiabatic Mass Loss In Binary Stars. VI. Massive Helium Binary Stars
Lifu Zhang, Hongwei Ge, Zhenwei Li +6
The stability of binary mass transfer is a critical problem for binary evolution. We systematically calculate the adiabatic mass-loss model for naked helium stars with masses rangi…
The relation between helium white dwarf mass and orbital period under two types of opacity
Jian Mou, Hai-Liang Chen, Dengkai Jiang +5
Helium white dwarfs (He WDs) are end products of low-mass red giant donors in close binary systems via stable mass transfer or common envelope evolution. At the end of stable mass…
Probing the shape of the brown dwarf desert around main-sequence A-F-G-type stars using post-common-envelope WDBD binaries
Zhangliang Chen, Yizhi Chen, Chen Chen +2
Brown dwarfs (BDs) possessing masses within the range are rare around solar-type main-sequence (MS) stars, which gives rise to the brown dwarf desert (BDD). One…
A New Pathway to Single Be Stars: Ejected Companions from Type Ia Supernovae
Yuchen Bao, Zhenwei Li, Hongwei Ge +4
Be stars are rapid rotators generally produced by binary interactions. The single Be stars in the observations pose challenges to the Be star formation theory. In this paper, we pr…
Multiform Evolution for High-Dimensional Problems with Low Effective Dimensionality
Yaqing Hou, Mingyang Sun, Abhishek Gupta +4
In this paper, we scale evolutionary algorithms to high-dimensional optimization problems that deceptively possess a low effective dimensionality (certain dimensions do not signifi…
Adiabatic Mass Loss In Binary Stars. IV. Low and Intermediate Mass Helium Binary Stars
Lifu Zhang, Hongwei Ge, Xuefei Chen +1
The unstable mass transfer situation in binary systems will asymptotically cause the adiabatic expansion of the donor star and finally lead to the common envelope phase. This proce…
Criteria for Dynamical Timescale Mass Transfer of Metal-poor Intermediate-mass Stars
Hongwei Ge, Christopher A. Tout, Xuefei Chen +3
The stability criteria of rapid mass transfer and common envelope evolution are fundamental in binary star evolution. They determine the mass, mass ratio and orbital distribution o…
Adiabatic mass loss in binary stars. III. From the base of the red giant branch to the tip of asymptotic giant branch
Hongwei Ge, Ronald F Webbink, Xuefei Chen +1
The distinguishing feature of the evolution of close binary stars is the role played by the mass exchange between the component stars. Whether the mass transfer is dynamically stab…
Mamba Meets Scheduling: Learning to Solve Flexible Job Shop Scheduling with Efficient Sequence Modeling
Zhi Cao, Cong Zhang, Yaoxin Wu +2
The Flexible Job Shop Problem (FJSP) is a well-studied combinatorial optimization problem with extensive applications for manufacturing and production scheduling. It involves assig…
Stellar adiabatic mass loss model and applications
Hongwei Ge, Ronald F. Webbink, Zhanwen Han +1
Roche-lobe overflow and common envelope evolution are very important in binary evolution, which is believed to be the main evolutionary channel to hot subdwarf stars. The details o…
RHVI-FDD: A Hierarchical Decoupling Framework for Low-Light Image Enhancement
Junhao Yang, Bo Yang, Hongwei Ge +3
Low-light images often suffer from severe noise, detail loss, and color distortion, which hinder downstream multimedia analysis and retrieval tasks. The degradation in low-light im…
A Path to Constraints on Common Envelope Ejection in Massive Binaries: Full Evolutionary Reconstruction of Three Black Hole X-ray Binaries
Zhenwei Li, Dandan Wei, Shi Jia +6
The massive binary common envelope (CE) phase plays a pivotal role in the formation of close black hole/neutron star (BH/NS) binaries, yet significant uncertainties remain in our u…
Explanation of the Mass Distribution of Binary Black Hole Mergers
Lei Li, Guoliang Lv, Chunhua Zhu +5
Gravitational wave detectors are observing an increasing number of binary black hole (BBH) mergers, revealing a bimodal mass distribution of BBHs, which hints at diverse formation…