papers

Publications (443)

cond-mat.mtrl-sci2019

The wavefunction reconstruction effects in calculation of DM-induced electronic transition in semiconductor targets

Zheng-Liang Liang, Lin Zhang, Ping Zhang +1

The physics of the electronic excitation in semiconductors induced by sub-GeV dark matter (DM) have been extensively discussed in literature, under the framework of the standard pl…

cond-mat.mes-hall2018

Dynamical classification of topological quantum phases

Lin Zhang, Long Zhang, Sen Niu +1

Topological phase of matter is now a mainstream of research in condensed matter physics, of which the classification, synthesis, and detection of topological states have brought ex…

math.QA2006

A logarithmic generalization of tensor product theory for modules for a vertex operator algebra

Yi-Zhi Huang, James Lepowsky, Lin Zhang

We describe a logarithmic tensor product theory for certain module categories for a ``conformal vertex algebra.'' In this theory, which is a natural, although intricate, generaliza…

nlin.CD2017

Photon-phonon parametric oscillation induced by the quadratic coupling in an optomechanical resonator

Lin Zhang, Fengzhou Ji, Xu Zhang +1

A direct photon-phonon parametric effect of the quadratic coupling on the mean-field dynamics of an optomechanical resonator in the large-scale-movement regime is found and investi…

quant-ph2024

Uncertainty relation and the constrained quadratic programming

Lin Zhang, Dade Wu, Ming-Jing Zhao +1

The uncertainty relation is a fundamental concept in quantum theory, plays a pivotal role in various quantum information processing tasks. In this study, we explore the additive un…

eess.IV2021

Content-Preserving Unpaired Translation from Simulated to Realistic Ultrasound Images

Devavrat Tomar, Lin Zhang, Tiziano Portenier +1

Interactive simulation of ultrasound imaging greatly facilitates sonography training. Although ray-tracing based methods have shown promising results, obtaining realistic images re…

cs.LG2023

Eva: A General Vectorized Approximation Framework for Second-order Optimization

Lin Zhang, Shaohuai Shi, Bo Li

Second-order optimization algorithms exhibit excellent convergence properties for training deep learning models, but often incur significant computation and memory overheads. This…

cs.CV2020

Deep Image Translation for Enhancing Simulated Ultrasound Images

Lin Zhang, Tiziano Portenier, Christoph Paulus +1

Ultrasound simulation based on ray tracing enables the synthesis of highly realistic images. It can provide an interactive environment for training sonographers as an educational t…

cs.CL2025

M3HG: Multimodal, Multi-scale, and Multi-type Node Heterogeneous Graph for Emotion Cause Triplet Extraction in Conversations

Qiao Liang, Ying Shen, Tiantian Chen +1

Emotion Cause Triplet Extraction in Multimodal Conversations (MECTEC) has recently gained significant attention in social media analysis, aiming to extract emotion utterances, caus…

eess.IV2024

Diffusion Model Driven Test-Time Image Adaptation for Robust Skin Lesion Classification

Ming Hu, Siyuan Yan, Peng Xia +5

Deep learning-based diagnostic systems have demonstrated potential in skin disease diagnosis. However, their performance can easily degrade on test domains due to distribution shif…

cs.DC2026

Zellige: Moldable Sequence Placement for Mixed Image-Video DiT Training

Guangyu Xiang, Xueze Kang, Minwei Zhao +4

High-quality video generation requires training Diffusion Transformers (DiTs) jointly on image and video data, posing a mixed-length sequence training problem across GPUs. Existing…

quant-ph2017

The classical and quantum synchronization between two scattering modes in Bose-Einstein condensates generated by the standing-wave laser beams

Lin Zhang, Xiaoting Xu, Xing Liu +1

Both classical and quantum dynamics of the synchronization between two nonlinear mechanical modes scattered from Bose-Einstein condensates (BECs) by the standing-wave laser beam ar…

cond-mat.quant-gas2019

Emergent topology and symmetry-breaking order in correlated quench dynamics

Long Zhang, Lin Zhang, Ying Hu +2

Quenching a quantum system involves three basic ingredients: the initial phase, the post-quench target phase, and the non-equilibrium dynamics which carries the information of the…

cs.CV2016

Real-time 3D Tracking of Articulated Tools for Robotic Surgery

Menglong Ye, Lin Zhang, Stamatia Giannarou +1

In robotic surgery, tool tracking is important for providing safe tool-tissue interaction and facilitating surgical skills assessment. Despite recent advances in tool tracking, exi…

eess.AS2025

ShiftySpeech: A Large-Scale Synthetic Speech Dataset with Distribution Shifts

Ashi Garg, Zexin Cai, Lin Zhang +6

The problem of synthetic speech detection has enjoyed considerable attention, with recent methods achieving low error rates across several established benchmarks. However, to what…

cs.RO2018

Robotic Sewing and Knot Tying for Personalized Stent Graft Manufacturing

Yang Hu, Lin Zhang, Wei Li +1

This paper presents a versatile robotic system for sewing 3D structured object. Leveraging on using a customized robotic sewing device and closed-loop visual servoing control, an a…

math-ph2012

Solutions For A Generalized Fractional Anomalous Diffusion Equation

Long-jin Lv, Jian-Bin Xiao, Lin Zhang

In this paper, we investigate the solutions for a generalized fractional diffusion equation that extends some known diffusion equations by taking a spatial time-dependent diffusion…

cs.CV2020

ConvGRU in Fine-grained Pitching Action Recognition for Action Outcome Prediction

Tianqi Ma, Lin Zhang, Xiumin Diao +1

Prediction of the action outcome is a new challenge for a robot collaboratively working with humans. With the impressive progress in video action recognition in recent years, fine-…

quant-ph2025

Multi-state imaginarity and coherence in qubit systems

Mao-Sheng Li, Rafael Wagner, Lin Zhang

Traditionally, the characterization of quantum resources has focused on individual quantum states. Recent literature, however, has increasingly explored the characterization of res…

physics.optics2021

Nonreciprocal optical solitons in a spinning Kerr resonator

Baijun Li, Şahin. K. Özdemir, Xun-Wei Xu +3

We propose a spinning nonlinear resonator as an experimentally accessible platform to achieve nonreciprocal control of optical solitons. Nonreciprocity here results from the relati…

math.AP2025

Multiple solutions to a class of -Laplacian Schrödinger equations

Lin Zhang

In this paper, we will prove the existence of infinitely many solutions to the following equation by utilizing the variational perturbation method \begin{equation*} -div(A(x,u)|\na…

cs.IT2019

Overcoming the Channel Estimation Barrier in Massive MIMO Communication Systems

Zhenyu Liu, Lin Zhang, Zhi Ding

A new wave of wireless services, including virtual reality, autonomous driving and internet of things, is driving the design of new generations of wireless systems to deliver ultra…

cs.MA2021

Density-Aware Federated Imitation Learning for Connected and Automated Vehicles with Unsignalized Intersection

Tianhao Wu, Mingzhi Jiang, Yinhui Han +2

Intelligent Transportation System (ITS) has become one of the essential components in Industry 4.0. As one of the critical indicators of ITS, efficiency has attracted wide attentio…

cs.DL2021

A comparison of two approaches for measuring interdisciplinary research output: the disciplinary diversity of authors vs the disciplinary diversity of the reference list

Giovanni Abramo, Ciriaco Andrea D'Angelo, Lin Zhang

This study investigates the convergence of two bibliometric approaches to the measurement of interdisciplinary research: one based on analyzing disciplinary diversity in the refere…

quant-ph2011

The Dynamical Additivity And The Strong Dynamical Additivity Of Quantum Operations

Lin Zhang, Junde Wu

In the paper, the dynamical additivity of bi-stochastic quantum operations is characterized and the strong dynamical additivity is obtained under some restrictions.

cs.CV2025

OSDFace: One-Step Diffusion Model for Face Restoration

Jingkai Wang, Jue Gong, Lin Zhang +6

Diffusion models have demonstrated impressive performance in face restoration. Yet, their multi-step inference process remains computationally intensive, limiting their applicabili…

cs.AI2023

Progression Cognition Reinforcement Learning with Prioritized Experience for Multi-Vehicle Pursuit

Xinhang Li, Yiying Yang, Zheng Yuan +6

Multi-vehicle pursuit (MVP) such as autonomous police vehicles pursuing suspects is important but very challenging due to its mission and safety critical nature. While multi-agent…

math.FA2011

Pointwise weighted approximation of functions with inner singularities by combinations of Bernstein operators

Wen-ming Lu, Lin Zhang

We introduce another new type of combinations of Bernstein operators in this paper, which can be used to approximate the functions with inner singularities. The direct and inverse…

quant-ph2025

Geometry of sets of Bargmann invariants

Lin Zhang, Bing Xie, Bo Li

Certain unitary-invariants, known as Bargmann invariants or multivariate traces of quantum states, have recently gained attention due to their applications in quantum information t…

cs.DC2025

HierMoE: Accelerating MoE Training with Hierarchical Token Deduplication and Expert Swap

Wenxiang Lin, Xinglin Pan, Lin Zhang +3

The sparsely activated mixture-of-experts (MoE) transformer has become a common architecture for large language models (LLMs) due to its sparsity, which requires fewer computationa…

stat.ME2023

Margin-closed regime-switching multivariate time series models

Lin Zhang, Harry Joe, Natalia Nolde

A regime-switching multivariate time series model which is closed under margins is built. The model imposes a restriction on all lower-dimensional sub-processes to follow a regime-…

eess.AS2025

Hybrid Pruning: In-Situ Compression of Self-Supervised Speech Models for Speaker Verification and Anti-Spoofing

Junyi Peng, Lin Zhang, Jiangyu Han +5

Although large-scale self-supervised learning (SSL) models like WavLM have achieved state-of-the-art performance in speech processing, their significant size impedes deployment on…

cs.CL2023

Solving Math Word Problems via Cooperative Reasoning induced Language Models

Xinyu Zhu, Junjie Wang, Lin Zhang +4

Large-scale pre-trained language models (PLMs) bring new opportunities to challenging problems, especially those that need high-level intelligence, such as the math word problem (M…

cond-mat.str-el2020

Dynamically characterizing topological phases by high-order topological charges

Wei Jia, Lin Zhang, Long Zhang +1

We propose a new theory to characterize equilibrium topological phase with non-equilibrium quantum dynamics by introducing the concept of high-order topological charges, with novel…

math.QA2012

Logarithmic tensor category theory, III: Intertwining maps and tensor product bifunctors

Yi-Zhi Huang, James Lepowsky, Lin Zhang

This is the third part in a series of papers in which we introduce and develop a natural, general tensor category theory for suitable module categories for a vertex (operator) alge…

cs.DB2025

Gorgeous: Revisiting the Data Layout for Disk-Resident High-Dimensional Vector Search

Peiqi Yin, Xiao Yan, Qihui Zhou +6

Similarity-based vector search underpins many important applications, but a key challenge is processing massive vector datasets (e.g., in TBs). To reduce costs, some systems utiliz…

cs.RO2020

Multi-robot Cooperative Object Transportation using Decentralized Deep Reinforcement Learning

Lin Zhang, Hao Xiong, Ou Ma +1

Object transportation could be a challenging problem for a single robot due to the oversize and/or overweight issues. A multi-robot system can take the advantage of increased drivi…

cs.IT2016

Learning-Based Coexistence in Two-Tier Heterogeneous Networks with Cognitive Small Cells

Lin Zhang, Guodong Zhao, Wenli Zhou +3

We study the coexistence problem in a two-tier heterogeneous network (HetNet) with cognitive small cells. In particular, we consider an underlay HetNet, where the cognitive small b…

eess.AS2026

Integrated Spoofing-Robust Automatic Speaker Verification via a Three-Class Formulation and LLR

Kai Tan, Lin Zhang, Ruiteng Zhang +6

Spoofing-robust automatic speaker verification (SASV) aims to integrate automatic speaker verification (ASV) and countermeasure (CM). A popular solution is fusion of independent AS…

cs.AI2020

A Multi-intersection Vehicular Cooperative Control based on End-Edge-Cloud Computing

Mingzhi Jiang, Tianhao Wu, Zhe Wang +3

Cooperative Intelligent Transportation Systems (C-ITS) will change the modes of road safety and traffic management, especially at intersections without traffic lights, namely unsig…

quant-ph2015

Fidelity between a bipartite state and another one undergoing local unitary dynamics

Lin Zhang, Lin Chen, Kaifeng Bu

The fidelity and local unitary transformation are two widely useful notions in quantum physics. We study two constrained optimization problems in terms of the maximal and minimal f…

hep-ph2026

Holographic QCD equation of state constrained by lattice QCD: neural-ODE for probe-limit and a back-reaction test

Yutian Deng, Mei Huang, Lin Zhang

We study the equation of state (EoS) of QCD matter in a bottom-up holographic setup that combines an Einstein-Maxwell-dilaton (EMD) sector with an improved Karch-Katz-Son-Stephanov…

eess.IV2022

AIM 2022 Challenge on Super-Resolution of Compressed Image and Video: Dataset, Methods and Results

Ren Yang, Radu Timofte, Xin Li +49

This paper reviews the Challenge on Super-Resolution of Compressed Image and Video at AIM 2022. This challenge includes two tracks. Track 1 aims at the super-resolution of compress…

quant-ph2016

Lie transformation method on quantum state evolution of a general time-dependent driven and damped parametric oscillator

Lin Zhang, Weiping Zhang

A variety of dynamics in nature and society can be approximately treated as a driven and damped parametric oscillator. An intensive investigation of this time-dependent model from…

hep-ph2021

Gluodynamics and deconfinement phase transition under rotation from holography

Xun Chen, Lin Zhang, Danning Li +2

We investigate rotating effect on deconfinement phase transition in an Einstein-Maxwell-Dilaton(EMD) model in bottom-up holographic QCD approach. By constructing a rotating black h…

eess.AS2024

Spoof Diarization: "What Spoofed When" in Partially Spoofed Audio

Lin Zhang, Xin Wang, Erica Cooper +4

This paper defines Spoof Diarization as a novel task in the Partial Spoof (PS) scenario. It aims to determine what spoofed when, which includes not only locating spoof regions but…

quant-ph2011

Von Neumann Entropy-Preserving Quantum Operations

Lin Zhang, Junde Wu

For a given quantum state and two quantum operations and , the information encoded in the quantum state is quantified by its von Neumann entropy . By the…

cs.SD2026

ESDD2: Environment-Aware Speech and Sound Deepfake Detection Challenge Evaluation Plan

Xueping Zhang, Han Yin, Yang Xiao +4

Audio recorded in real-world environments often contains a mixture of foreground speech and background environmental sounds. With rapid advances in text-to-speech, voice conversion…

cs.RO2025

Hybrid A* Path Planning with Multi-Modal Motion Extension for Four-Wheel Steering Mobile Robots

Runjiao Bao, Lin Zhang, Tianwei Niu +2

Four-wheel independent steering (4WIS) systems provide mobile robots with a rich set of motion modes, such as Ackermann steering, lateral steering, and parallel movement, offering…

cs.CV2024

Provably Uncertainty-Guided Universal Domain Adaptation

Yifan Wang, Lin Zhang, Ran Song +3

Universal domain adaptation (UniDA) aims to transfer the knowledge from a labeled source domain to an unlabeled target domain without any assumptions of the label sets, which requi…

quant-ph2012

Majorization-preserving quantum channels

Lin Zhang

In this report, we give a characterization to those quantum channels that preserve majorization relationship between quantum states. Some remarks are presented as well.

astro-ph.GA2025

Stellar parameters, extinction, and distances for stars in SMSS DR2 by SPar method

Mingxu Sun, Bingqiu Chen, Baokun Sun +8

The availability of large datasets containing stellar parameters, distances, and extinctions for stars in the Milky Way, particularly within the Galactic disk, is essential for adv…

cs.SE2025

GenAI for Simulation Model in Model-Based Systems Engineering

Lin Zhang, Yuteng Zhang, Dusit Niyato +6

Generative AI (GenAI) has demonstrated remarkable capabilities in code generation, and its integration into complex product modeling and simulation code generation can significantl…

cond-mat.mes-hall2020

Describing Migdal effects in diamond crystal with atom-centered localized Wannier functions

Zheng-Liang Liang, Lin Zhang, Fawei Zheng +1

Recent studies have theoretically investigated the atomic excitation and ionization induced by the dark matter (DM)-nucleus scattering, and it is found that the suddenly recoiled a…

quant-ph2020

Constructing mutually unbiased bases from unextendible maximally entangled bases

Hui Zhao, Lin Zhang, Shao-Ming Fei +1

We study mutually unbiased bases (MUBs) in which all the bases are unextendible maximally entangled ones. We first present a necessary and sufficient condition of constructing a pa…

quant-ph2013

Conditional mutual information and self-commutator

Lin Zhang

A simpler approach to the characterization of vanishing conditional mutual information is presented. Some remarks are given as well. More specifically, relating the conditional mut…

cs.CV2023

Unpaired Translation from Semantic Label Maps to Images by Leveraging Domain-Specific Simulations

Lin Zhang, Tiziano Portenier, Orcun Goksel

Photorealistic image generation from simulated label maps are necessitated in several contexts, such as for medical training in virtual reality. With conventional deep learning met…

cs.CV2020

Towards Palmprint Verification On Smartphones

Yingyi Zhang, Lin Zhang, Ruixin Zhang +3

With the rapid development of mobile devices, smartphones have gradually become an indispensable part of people's lives. Meanwhile, biometric authentication has been corroborated t…

physics.optics2025

Order within disorder: spectral key generation and distribution in random lasers

Zhijia Hu, Shilong He, Lianghao Qi +15

In secure communication, highly random entropy sources are essential for information security. Random lasers (RLs), which arise from multiple scattering in disordered structures, a…

physics.optics2021

1D photonic crystal direct bandgap GeSn-on-insulator laser

Hyo-Jun Joo, Youngmin Kim, Daniel Burt +12

GeSn alloys have been regarded as a potential lasing material for a complementary metal-oxide-semiconductor (CMOS)-compatible light source. Despite their remarkable progress, all G…

quant-ph2021

Uncertainty regions of observables and state-independent uncertainty relations

Lin Zhang, Shunlong Luo, Shao-Ming Fei +1

The optimal state-independent lower bounds for the sum of variances or deviations of observables are of significance for the growing number of experiments that reach the uncertaint…

eess.SY2024

Recovery from Adversarial Attacks in Cyber-physical Systems: Shallow, Deep and Exploratory Works

Pengyuan Lu, Lin Zhang, Mengyu Liu +4

Cyber-physical systems (CPS) have experienced rapid growth in recent decades. However, like any other computer-based systems, malicious attacks evolve mutually, driving CPS to unde…

cs.CL2024

XL3M: A Training-free Framework for LLM Length Extension Based on Segment-wise Inference

Shengnan Wang, Youhui Bai, Lin Zhang +7

Length generalization failure problem, namely the large language model (LLM) fails to generalize to texts longer than its maximum training length, greatly restricts the application…

cs.IT2025

GAN-based Generator of Adversarial Attack on Intelligent End-to-End Autoencoder-based Communication System

Jianyuan Chen, Lin Zhang, Zuwei Chen +2

Deep neural networks have been applied in wireless communications system to intelligently adapt to dynamically changing channel conditions, while the users are still under the thre…

hep-th1997

V-Algebras and Their Free Field Realizations

Yi Cheng, Lin Zhang

The V-algebras are the non-local matrix generalization of the well-known W-algebras. Their classical realizations are given by the second Poisson brackets associated with the matri…

astro-ph.GA2026

GSED: The Galactic Stellar Extinction Database

Baisong Zhang, Bingqiu Chen, Dongwei Fan +9

Reliable extinction correction is essential for nearly all astrophysical studies within the Galaxy. We present the Galactic Stellar Extinction Database (GSED, https://nadc.china-vo…

cs.LG2022

An empirical learning-based validation procedure for simulation workflow

Zhuqing Liu, Liyuanjun Lai, Lin Zhang

Simulation workflow is a top-level model for the design and control of simulation process. It connects multiple simulation components with time and interaction restrictions to form…

cs.CV2026

UniTemp: Unlocking Video Generation in Any Temporal Order via Bidirectional Distillation

Lin Zhang, Sicheng Mo, Zefan Cai +6

Autoregressive video diffusion models have emerged as a promising approach for long video generation, achieving strong performance in streaming settings. However, existing methods…

cond-mat.supr-con2020

The influence of anti-chiral edge states on Andreev reflection in graphene-superconductor junction

Chao Wang, Lin Zhang, Peipei Zhang +2

Using the tight binding model and the non-equilibrium Green function method, we study Andreev reflection in graphene-superconductor junction, where graphene has two nonequal Dirac…

cs.CL2023

Domain Mastery Benchmark: An Ever-Updating Benchmark for Evaluating Holistic Domain Knowledge of Large Language Model--A Preliminary Release

Zhouhong Gu, Xiaoxuan Zhu, Haoning Ye +7

Domain knowledge refers to the in-depth understanding, expertise, and familiarity with a specific subject, industry, field, or area of special interest. The existing benchmarks are…

cs.CV2025

Scaling Up Audio-Synchronized Visual Animation: An Efficient Training Paradigm

Lin Zhang, Zefan Cai, Yufan Zhou +10

Recent advances in audio-synchronized visual animation enable control of video content using audios from specific classes. However, existing methods rely heavily on expensive manua…

eess.SP2024

A CSI Feedback Framework based on Transmitting the Important Values and Generating the Others

Zhilin Du, Zhenyu Liu, Haozhen Li +3

The application of deep learning (DL)-based channel state information (CSI) feedback frameworks in massive multiple-input multiple-output (MIMO) systems has significantly improved…

hep-ph2024

Dynamic solar Primakoff process

Zheng-Liang Liang, Lin Zhang

The Primakoff mechanism is one of the primary channels for the production of solar axion. In canonical estimation of the Primakoff photon-axion conversion rate, the recoil effect i…

cs.SI2022

A Large-scale Friend Suggestion Architecture

Lin Zhang, Rui Li

Online social as an extension of traditional life plays an important role in our daily lives. Users often seek out new friends that have significant similarities such as interests…

cs.CV2026

MLG-Stereo: ViT Based Stereo Matching with Multi-Stage Local-Global Enhancement

Haoyu Zhang, Jingyi Zhou, Peng Ye +4

With the development of deep learning, ViT-based stereo matching methods have made significant progress due to their remarkable robustness and zero-shot ability. However, due to th…

quant-ph2014

A lower bound on the fidelity between two states in terms of their Bures distance

Lin Zhang, Junde Wu

Fidelity is a fundamental and ubiquitous concept in quantum information theory. Fuchs-van de Graaf's inequalities deal with bounding fidelity from above and below. In this paper, w…

math.QA2012

Logarithmic tensor category theory, VIII: Braided tensor category structure on categories of generalized modules for a conformal vertex algebra

Yi-Zhi Huang, James Lepowsky, Lin Zhang

This is the eighth part in a series of papers in which we introduce and develop a natural, general tensor category theory for suitable module categories for a vertex (operator) alg…

cs.SD2024

Do End-to-End Neural Diarization Attractors Need to Encode Speaker Characteristic Information?

Lin Zhang, Themos Stafylakis, Federico Landini +3

In this paper, we apply the variational information bottleneck approach to end-to-end neural diarization with encoder-decoder attractors (EEND-EDA). This allows us to investigate w…

quant-ph2024

Mixed-permutation channel with its application to estimate quantum coherence

Lin Zhang, Ming-Jing Zhao

Quantum channel, as the information transmitter, is an indispensable tool in quantum information theory. In this paper, we study a class of special quantum channels named the mixed…

cs.RO2017

Motion-Compensated Autonomous Scanning for Tumour Localisation using Intraoperative Ultrasound

Lin Zhang, Menglong Ye, Stamatia Giannarou +2

Intraoperative ultrasound facilitates localisation of tumour boundaries during minimally invasive procedures. Autonomous ultrasound scanning systems have been recently proposed to…

cs.RO2026

Keep It CALM: Toward Calibration-Free Kilometer-Level SLAM with Visual Geometry Foundation Models via an Assistant Eye

Tianjun Zhang, Fengyi Zhang, Tianchen Deng +2

Visual Geometry Foundation Models (VGFMs) demonstrate remarkable zero-shot capabilities in local reconstruction. However, deploying them for kilometer-level Simultaneous Localizati…

cs.AI2026

ASI-Evolve: AI Accelerates AI

Weixian Xu, Tiantian Mi, Yixiu Liu +6

Can AI accelerate the development of AI itself? While recent agentic systems have shown strong performance on well-scoped tasks with rapid feedback, it remains unclear whether they…

cs.HC2026

Within the MDT Room: Situated in Multidisciplinary Team-Grounded Agent Debate for Clinical Diagnosis

Peng Kuai, Yukun Yang, Shaolun Ruan +5

Rare disease diagnosis is inherently challenging due to heterogeneous symptoms, limited clinical familiarity, and fragmented evidence across specialties. Recent large language mode…

cs.SD2026

WeDefense: A Toolkit to Defend Against Fake Audio

Lin Zhang, Johan Rohdin, Xin Wang +8

The advances in generative AI have enabled the creation of synthetic audio which is perceptually indistinguishable from real, genuine audio. Although this stellar progress enables…

cs.CL2022

Zero-Shot Learners for Natural Language Understanding via a Unified Multiple Choice Perspective

Ping Yang, Junjie Wang, Ruyi Gan +6

We propose a new paradigm for zero-shot learners that is format agnostic, i.e., it is compatible with any format and applicable to a list of language tasks, such as text classifica…

quant-ph2014

Quantum fidelity and relative entropy between unitary orbits

Lin Zhang, Shao-Ming Fei

Fidelity and relative entropy are two significant quantities in quantum information theory. We study the quantum fidelity and relative entropy under unitary orbits. The maximal and…

cs.IT2016

Primary Channel Gain Estimation for Spectrum Sharing in Cognitive Radio Networks

Lin Zhang, Guodong Zhao, Wenli Zhou +4

In cognitive radio networks, the channel gain between primary transceivers, namely, primary channel gain, is crucial for a cognitive transmitter (CT) to control the transmit power…

cs.CR2026

Sealing the Audit-Runtime Gap for LLM Skills

Tingda Shen, Yebo Feng, Konglin Zhu +3

Large language model (LLM) ecosystems such as Claude Code and ChatGPT increasingly rely on skills: packages of natural-language instructions and executable tools. Once in the LLM's…

cs.CL2023

A Diffusion Model for Event Skeleton Generation

Fangqi Zhu, Lin Zhang, Jun Gao +3

Event skeleton generation, aiming to induce an event schema skeleton graph with abstracted event nodes and their temporal relations from a set of event instance graphs, is a critic…

cs.MA2021

A General Auxiliary Controller for Multi-agent Flocking

Jinfan Zhou, Jiyu Cheng, Lin Zhang +1

We aim to improve the performance of multi-agent flocking behavior by quantifying the structural significance of each agent. We designed a confidence score(ConfScore) to measure th…

cs.AI2026

AGCD: Agent-Guided Cross-Modal Decoding for Weather Forecasting

Jing Wu, Yang Liu, Lin Zhang +13

Accurate weather forecasting is more than grid-wise regression: it must preserve coherent synoptic structures and physical consistency of meteorological fields, especially under au…

physics.optics2011

On-chip two-octave supercontinuum generation by enhancing self-steepening of optical pulses

Lin Zhang, Yan Yan, Yang Yue +4

Dramatic advances in supercontinuum generation have been made recently using photonic crystal fibers, but it is quite challenging to obtain an octave-spanning supercontinuum on a c…

quant-ph2026

Evolution-Level Quantum Optimal Control of Single-Qubit Gates with Physics-Informed Neural Networks

Yao Du, Jian-Jian Cheng, Lin Zhang +2

The paper introduces physics-informed neural networks to jointly learn control fields, Bloch-state trajectories, and gate duration for single‑qubit gate synthesis, enabling interpr…

#quantum optimal control#physics-informed neural networks#single-qubit gate synthesis#Bloch dynamics
cs.LG2025

PAHQ: Accelerating Automated Circuit Discovery through Mixed-Precision Inference Optimization

Xinhai Wang, Shu Yang, Liangyu Wang +4

Circuit discovery, which involves identifying sparse and task-relevant subnetworks in pre-trained language models, is a cornerstone of mechanistic interpretability. Automated Circu…

eess.AS2020

Mask Detection and Breath Monitoring from Speech: on Data Augmentation, Feature Representation and Modeling

Haiwei Wu, Lin Zhang, Lin Yang +4

This paper introduces our approaches for the Mask and Breathing Sub-Challenge in the Interspeech COMPARE Challenge 2020. For the mask detection task, we train deep convolutional ne…

quant-ph2025

Bargmann-invariant framework for local unitary equivalence and entanglement

Lin Zhang, Bing Xie, Yuanhong Tao

Research on quantum states often focuses on the correlation between nonlocal effects and local unitary invariants, among which local unitary equivalence plays a significant role in…

math.FA2013

Perturbation of Browder Spectrum of Upper-triangular Operator Matrices

Shifang Zhang, Huaijie Zhong, Lin Zhang

Let is a 2-by-2 upper triangular operator matrix acting on the Banach space or Hilbert space . F…

cond-mat.str-el2024

Decoupled few-femtosecond phase transitions in vanadium dioxide

Christian Brahms, Lin Zhang, Xiao Shen +11

The nature of the insulator-to-metal phase transition in vanadium dioxide (VO2) is one of the longest-standing problems in condensed-matter physics. Ultrafast spectroscopy has long…

cond-mat.mtrl-sci2025

Discovery of a Robust Non-Janus Hybrid MoSH Monolayer as a Two-Gap Superconductor via High-Throughput Computational Screening

Zhijing Huang, Hongmei Xie, Zhibin Gao +5

The atomic-scale determination of hydrogen positions in MoSH monolayers remains experimentally challenging, and existing studies are confined to Janus-type configurations. Here, we…

eess.SP2026

Movable Antenna Empowered Covert Dual-Functional Radar-Communication

Ran Yang, Ning Wei, Zheng Dong +5

Movable antenna (MA) has emerged as a promising technology to flexibly reconfigure wireless channels by adjusting antenna placement. In this paper, we study a secured dual-function…