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Physics Preprint PDF DOI

Chiral Symmetry and Its Restoration in QCD

Teiji Kunihiro · 2026

Starting with describing the Dirac equation in an unconventional manner, we introduce the notion of chirality and show how chiralities are mixed in the massive Dirac particles.Then we discuss the appr…

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AI & Data Science Preprint PDF DOI

RayFormer: Modeling Inter- and Intra-Ray Similarity for NeRF-Based Video Snapshot Compressive Imaging

Yubo Dong, Danhua Liu, Anqi Li, Zhenyuan Lin · 2026

Video snapshot compressive imaging (SCI) enables the reconstruction of dynamic scenes from a single snapshot measurement. Recently, NeRF-based methods have shown promising reconstruction performance. …

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AI & Data Science Preprint PDF DOI

World2Minecraft: Occupancy-Driven Simulated Scenes Construction

Lechao Zhang, Haoran Xu, Jingyu Gong, Xuhong Wang, Yuan Xie, Xin Tan · 2026

Embodied intelligence requires high-fidelity simulation environments to support perception and decision-making, yet existing platforms often suffer from data contamination and limited flexibility. To …

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Mathematics Preprint PDF DOI

Barriers, Barenblatt solutions and regularity of soda can domains for the heat equation and nonlinear $p$-parabolic equations

Anders Bjorn, Jana Bjorn · 2026

In this paper we study when the origin $(0,0)$ is a regular (or irregular) boundary point for the so-called soda can domains of the type \[ \Theta_{l,\theta}:= \{(x,t) \in \mathbf{R}^{n+1}: 0<-t < \th…

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Physics Preprint PDF DOI

Astrocytes: Arnol'd Tongues Generalization in Dynamical Systems' Parameter Plane

Gonzalo Marcelo Ramirez-Avila, S. Leo Kingston, Marek Balcerzak, Jerome Daquin, Timoteo Carletti, Tomasz Kapitaniak · 2026

We discovered generalized structures, named astrocytes due to their shape, that constitute a defined region characterizing regular behavior within the parameter plane (PP) of dynamical systems (DSs). …

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Computer Science Preprint PDF DOI

Weighted Emulators with Local Heaviest Edges Stretch for Undirected Graphs

Liam Roditty, Ariel Sapir · 2026

We introduce a generalized family of $\left( 2\cdot \left\lfloor \frac{k}{2} \right\rfloor-1, 2\cdot \left\lceil \frac{k}{2} \right\rceil \cdot W_{1} +\max\left\{0,2\cdot\left(\left\lceil\frac{k}{2}\r…

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AI & Data Science Preprint PDF DOI

Random Cloud: Finding Minimal Neural Architectures Without Training

Javier Gil Blazquez · 2026

I propose the \emph{Random Cloud} method, a training-free approach to neural architecture search that discovers minimal feedforward network topologies through stochastic exploration and progressive st…

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AI & Data Science Preprint PDF DOI

AirZoo: A Unified Large-Scale Dataset for Grounding Aerial Geometric 3D Vision

Xiaoya Cheng, Rouwan Wu, Xinyi Liu, Zeyu Cui, Yan Liu, Na Zhao, Yu Liu, Maojun Zhang, Shen Yan · 2026

Despite the rapid progress in data-driven 3D vision, aerial geometric 3D vision remains a formidable challenge due to the severe scarcity of large-scale, high-fidelity training data. Existing benchmar…

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AI & Data Science Preprint PDF DOI

Robust Alignment: Harmonizing Clean Accuracy and Adversarial Robustness in Adversarial Training

Yanyun Wang, Qingqing Ye, Li Liu, Zi Liang, Haibo Hu · 2026

Adversarial Training (AT) is one of the most effective methods for developing robust deep neural networks (DNNs). However, AT faces a trade-off problem between clean accuracy and adversarial robustnes…

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AI & Data Science Preprint PDF DOI

When Hidden States Drift: Can KV Caches Rescue Long-Range Speculative Decoding?

Tianyu Liu, Yuhao Shen, Xinyi Hu, Baolin Zhang, Hengxin Zhang, Jun Dai, Jun Zhang, Shuang Ge, Lei Chen, Yue Li, MingCheng Wan · 2026

Speculative decoding accelerates LLM inference, but SOTA hidden-state-based drafters suffer from long-range decay: draft accuracy degrades as the speculative step increases. Existing work attributes t…

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AI & Data Science Preprint PDF DOI

CO-EVO: Co-evolving Semantic Anchoring and Style Diversification for Federated DG-ReID

Fengchun Zhang, Qiang Ma, Liuyu Xiang, Jinshan Lai, Tingxuan Huang, Jianwei Hu · 2026

Federated domain generalization for person re-identification (FedDG-ReID) aims to collaboratively train a pedestrian retrieval model across multiple decentralized source domains such that it can gener…

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Physics Preprint PDF DOI

Molecular Dynamics simulations of Al-Ti metallic alloy melts using a transferable machine-learning potential

Yuna Kato, Jurgen Brillo, Dirk Holland-Moritz, Fan Yang, Thomas C. Hansen, Thomas Voigtmann, Linnea Heitmeier · 2026

We investigate the structural and dynamical properties of binary aluminum-titanium liquid metallic alloys, as a function of temperature and composition. We make use of MD-simulations, using a transfer…

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Economics & Finance Preprint PDF DOI

Sequential Estimation of Dynamic Discrete Choice Models with Unobserved Heterogeneity

Ertian Chen, Hiroyuki Kasahara, Katsumi Shimotsu · 2026

Estimating dynamic discrete choice models with unobserved heterogeneity is computationally costly because it requires repeatedly solving fixed-point equations for all unobserved types. We develop the …

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Engineering Preprint PDF DOI

Joint Design of Doppler-Resilient Unimodular Discrete-Phase Waveforms and Receiving Filters for MIMO Radars

Junpeng Ma, Yuke Li, Junbo Wang, Yongxing Zhou · 2026

Designing Doppler-resilient unimodular discrete phase-coded waveforms (DPWs) with low delay-Doppler sidelobes is critical for multiple-input multiple-output (MIMO) radar. Existing block coordinate des…

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AI & Data Science Preprint PDF DOI

GraphPL: Leveraging GNN for Efficient and Robust Modalities Imputation in Patchwork Learning

Xingjian Hu, Zuoyu Yan, Jianhua Zhu, Liangcai Gao, Fei Wang, Tengfei Ma · 2026

Current research on distributed multi-modal learning typically assumes that clients can access complete information across all modalities, which may not hold in practice. In this paper, we explore pat…

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Physics Preprint PDF DOI

Thermodynamic Phase Transitions in Einstein-Maxwell-Scalar-Gauss-Bonnet Gravity

Cristian Erices, Stella Kiorpelidi · 2026

Although asymptotically flat black holes generically lack thermodynamic phase transitions, we show that curvature-induced scalarization of electrically charged black holes in Einstein-Maxwell- Scalar-…

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Physics Preprint PDF DOI

Toller matrices and the Feynman $i\varepsilon$ in spinfoams

Eugenio Bianchi, Chaosong Chen, Mauricio Gamonal · 2026

We study the analytic properties and three equivalent representations of the Toller matrices $T^{(\pm)}$ which appear in the causal formulation of spinfoam transition amplitudes for 4d Lorentzian quan…

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Physics Preprint PDF DOI

Analysis of the Gaia DR3 planetary nebula candidates and the possible symbiotic stars among them

Lionel Mulato, Jaroslav Merc, Stephane Charbonnel, Olivier Garde, Pascal le Du, Thomas Petit · 2026

The Gaia DR3, released in June 2022, included low-resolution BP/RP (XP) spectra that have been exploited for the classification of various types of emission-line objects using machine-learning techniq…

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Engineering Preprint PDF DOI

Agent-Centric Visual Reinforcement Learning under Dynamic Perturbations

Zhengru Fang, Yu Guo, Fei Liu, Yuang Zhang, Yihang Tao, Senkang Hu, Wenbo Ding, Yuguang Fang · 2026

Visual reinforcement learning aims to empower an agent to learn policies from visual observations, yet it remains vulnerable to dynamic visual perturbations, such as unpredictable shifts in corruption…

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Physics Preprint PDF DOI

Mass spectra of charged mesons and the quenching of vector meson condensation via exact phase-space diagonalization

Jingyi Chao, Kun Xu · 2026

We investigate the dynamics and mass spectra of charged pseudoscalar ($\pi^+$) and vector ($\rho^+$) mesons in a background magnetic field at finite temperature using the two-flavor Nambu-Jona--Lasini…

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