activity
20202026
most citedSafely Learning with Private Data: A Federated Learning Framework for Large Language Model

28 citations · 109 across the 32 of their papers we have counts for

collaborators

34 papers

physics.soc-ph2026

Learning to cooperate in a changing world: How caring about the future promotes cooperation across scales

Yuxin Geng, Xingru Chen, Xin Wang +4

In social dilemmas, individuals need to forgo short-term temptations to achieve synergistic collective outcomes through cooperation. Previous work has examined mechanisms through w…

cs.LG2026

Topology-induced Operators Reveal Complementary Graph Representations without Training

Meng Qin, Jinqiang Cui, Hongwei Zheng +2

Graph representation learning has largely focused on designing increasingly sophisticated models to transform graph topology into vector representations, or embeddings. However, th…

physics.soc-ph2026

Control of Harmful Information Spreading on Adaptive Higher-Order Networks via Group Dissolution

Longzhao Liu, Zhihao Han, Xingru Chen +4

Curbing harmful information contagion remains a critical challenge, motivating platform-level interventions such as group dissolution to sever transmission chains. However, in prac…

cs.HC2026

Toward Annotation-Efficient Continuous Emotion Arousal Quantification via Group-Level EEG Dynamic Neural Synchrony

Guandong Pan, Yaqian Yang, Shi Chen +4

Continuous emotional arousal quantification remains bottlenecked by time-consuming and labor-intensive manual annotation. This work investigates group-level EEG dynamic neural sync…

physics.soc-ph2026

Immunization on Temporal Higher-Order Networks

Zhihao Han, Longzhao Liu, Xin Wang +3

Network immunization is a powerful tool for controlling contagion processes ranging from infectious diseases to misinformation diffusion. While prior works have focused on pairwise…

physics.soc-ph2026

Identifying vulnerable nodes for hypergraph dismantling via higher-order competition dynamics

Yajing Hao, Longzhao Liu, Xin Wang +3

Network dismantling aims to identify a node removal sequence that can rapidly destroy network connectivity, which is an important problem for understanding the structural fragility…

physics.soc-ph2026

Emergent dilemma and periodic oscillation in the nonlinear interplay between epidemic and behavior

Longzhao Liu, Hongwei Zheng, Yajing Hao +3

Human behaviors, particularly non-pharmaceutical interventions (NPIs), are dynamically coupled with epidemic spreading. While prior studies mainly assume a linear interplay, real-w…

physics.soc-ph2026

Stereotyping by strategy standing diversifies cooperation patterns in indirect reciprocity

Ming Wei, Xin Wang, Wenqiang Zhu +4

Indirect reciprocity explains how cooperation evolves through social reputations. People observe others, assign reputations, and condition their future actions on these assignments…

cs.AI2026

Replacing Parameters with Preferences: Federated Alignment of Heterogeneous Vision-Language Models

Shule Lu, Yujing Wang, Hainan Zhang +5

Vision-Language Models (VLMs) have broad potential in privacy-sensitive domains such as healthcare and finance, yet strict data-sharing constraints render centralized training infe…

physics.soc-ph2026

Indirect reciprocity beyond pairwise interactions

Ming Wei, Xin Wang, Junyu Lu +5

Cooperation in groups underpins collective responses to challenges from climate governance to public goods provision, yet how moral evaluation sustains it remains poorly understood…

physics.comp-ph2026

Reinforcement learning with reputation-based adaptive exploration promotes cooperation

An Li, Wenqiang Zhu, Chaoqian Wang +5

Reinforcement learning provides a framework for studying how individuals adjust their behavior through repeated interaction and feedback in social dilemmas. In Q-learning, explorat…

cs.AI2026

Replacing Parameters with Preferences: Federated Alignment of Heterogeneous Vision-Language Models

Shule Lu, Yujing Wang, Hainan Zhang +5

VLMs have broad potential in privacy-sensitive domains such as healthcare and finance, yet strict data-sharing constraints render centralized training infeasible. FL mitigates this…

physics.soc-ph2026

Indirect Reciprocity with Environmental Feedback

Yishen Jiang, Xin Wang, Ming Wei +4

Indirect reciprocity maintains cooperation in stranger societies by mapping individual behaviors onto reputation signals via social norms. Existing theoretical frameworks assume st…

cs.CL2026

Stable-RAG: Mitigating Retrieval-Permutation-Induced Hallucinations in Retrieval-Augmented Generation

Qianchi Zhang, Hainan Zhang, Liang Pang +2

Retrieval-Augmented Generation (RAG) has become a key paradigm for reducing factual hallucinations in Large Language Models (LLMs), yet little is known about how the order of retri…

physics.soc-ph2025

Emergence, Evolution and Manipulation of Swing Voters in Presidential Election

Ziqian Liu, Xin Wang, Junyu Lu +3

Political polarization, fueled by public discourse and echo chambers, threatens the foundation of democratic elections. However, traditional one-dimensional opinion models -- assum…

nlin.AO2025

Nonlinear Public Goods Game in Dynamical Environments

Yishen Jiang, Xin Wang, Wenqiang Zhu +4

The evolutionary mechanisms of cooperative behavior represent a fundamental topic in complex systems and evolutionary dynamics. Real-world collective interactions, particularly in…

eess.AS2025

Toward a Realistic Encoding Model of Auditory Affective Understanding in the Brain

Guandong Pan, Yaqian Yang, Shi Chen +4

In affective neuroscience and emotion-aware AI, understanding how complex auditory stimuli drive emotion arousal dynamics remains unresolved. This study introduces a computational…

cs.AI2025

HyFedRAG: A Federated Retrieval-Augmented Generation Framework for Heterogeneous and Privacy-Sensitive Data

Cheng Qian, Hainan Zhang, Yongxin Tong +2

Centralized RAG pipelines struggle with heterogeneous and privacy-sensitive data, especially in distributed healthcare settings where patient data spans SQL, knowledge graphs, and…

physics.soc-ph2025

Higher-order network adaptivity: co-evolution of higher-order structure and spreading dynamics

Longzhao Liu, Hongwei Zheng, Zhihao Han +2

The co-evolution of structure and dynamics, known as adaptivity, is a fundamental property in various systems and drives diverse emergent behaviors. However, the adaptivity in prev…

physics.soc-ph2025★ 11 cited

Evolution of cooperation and competition in multilayer networks

Wenqiang Zhu, Xin Wang, Chaoqian Wang +5

Cooperation and competition coexist and coevolve in natural and social systems. Cooperation generates resources, which in turn, drive non-cooperative competition to secure individu…

cs.NI2025

ContribChain: A Stress-Balanced Blockchain Sharding Protocol with Node Contribution Awareness

Xinpeng Huang, Wanqing Jie, Shiwen Zhang +8

Existing blockchain sharding protocols have focused on eliminating imbalanced workload distributions. However, even with workload balance, disparities in processing capabilities ca…

cs.CR2025

CodeBC: A More Secure Large Language Model for Smart Contract Code Generation in Blockchain

Lingxiang Wang, Hainan Zhang, Qinnan Zhang +4

Large language models (LLMs) excel at generating code from natural language instructions, yet they often lack an understanding of security vulnerabilities. This limitation makes it…

cs.CL2025

Learning to Erase Private Knowledge from Multi-Documents for Retrieval-Augmented Large Language Models

Yujing Wang, Jinwen Chen, Hainan Zhang +5

Retrieval-Augmented Generation (RAG) is a promising technique for applying LLMs to proprietary domains. However, retrieved documents may contain sensitive knowledge, posing risks o…

cs.SI2024

Know Your Account: Double Graph Inference-based Account De-anonymization on Ethereum

Shuyi Miao, Wangjie Qiu, Hongwei Zheng +6

The scaled Web 3.0 digital economy, represented by decentralized finance (DeFi), has sparked increasing interest in the past few years, which usually relies on blockchain for token…