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Physics Preprint PDF DOI

Correlation invariance unlocks robust calibration-free orbital-angular-momentum multiplexing transmission under dynamic scattering scenarios

Haoran Li, Zhiyuan Wang, Zhipeng Yu, Xingpeng Du, Tianting Zhong, Jixiong Pu, Ziyang Chen, Vinu R V, Xiangping Li, Puxiang Lai ยท 2026

Orbital angular momentum (OAM) multiplexing offers a promising approach to high-capacity optical communication by harnessing the orthogonality of vortex beams. However, its practical deployment is sevโ€ฆ

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AI & Data Science Preprint PDF DOI

Physically-Induced Atmospheric Adversarial Perturbations: Enhancing Transferability and Robustness in Remote Sensing Image Classification

Weiwei Zhuang, Wangze Xie, Qi Zhang, Xia Du, Zihan Lin, Zheng Lin, Hanlin Cai, Jizhe Zhou, Zihan Fang, Chi-man Pun, Wei Ni, Jun Luo ยท 2026

Adversarial attacks pose a severe threat to the reliability of deep learning models in remote sensing (RS) image classification. Most existing methods rely on direct pixel-wise perturbations, failing โ€ฆ

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AI & Data Science Preprint PDF DOI

WILD-SAM: Phase-Aware Expert Adaptation of SAM for Landslide Detection in Wrapped InSAR Interferograms

Yucheng Pan, Heping Li, Zhangle Liu, Sajid Hussain, Bin Pan ยท 2026

Detecting slow-moving landslides directly from wrapped Interferometric Synthetic Aperture Radar (InSAR) interferograms is crucial for efficient geohazard monitoring, yet it remains fundamentally challโ€ฆ

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Physics Preprint PDF DOI

Hanbury Brown-Twiss effect and classical entanglement with OAM-carrying light

Jyrki Laatikainen, Sushil Pokharel, Olga Korotkova ยท 2026

We establish a decomposition of the intensity-intensity correlation of a scalar optical beam carrying orbital angular momentum (OAM) across multiple modes into intermodal contributions, thereby linkinโ€ฆ

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Physics Preprint PDF DOI

Beyond the Dilute Instanton Gas: Resurgence with Exact Saddles in the Double Well

Aurelien Dersy, Matthew D. Schwartz ยท 2026

The path-integral approach to the double well has long been limited by the dilute instanton gas approximation. We show that if the finite Euclidean-time structure is taken seriously by using exact sadโ€ฆ

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Physics Preprint PDF DOI

Single Plane Spatial Mode Sorter

Khen Cohen, Yoav Yosif-Or, Yaron Oz, Ady Arie ยท 2026

A mode sorter separates a set of M orthogonal spatial modes in a shared input channel into M different output channels. Here we present an analytic derivation and experimental validation of a single pโ€ฆ

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Physics Preprint PDF DOI

Radial Distribution of Star Formation and Gas-phase Metallicity in Spiral-Elliptical Galaxy Pairs

Cailu Shi, Shuai Feng, Shiyin Shen, Linlin Li, Wenyuan Cui, Guozhen Hu ยท 2026

Using integral field spectroscopy from SDSS-IV MaNGA, we investigate the radial distributions of star formation rate (SFR) and gas-phase metallicity in spiral galaxies that reside in spiral-ellipticalโ€ฆ

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Computer Science Preprint PDF DOI

RFID-based Real-Time Geriatric Gait Speed Monitoring System: Design, Implementation and Clinical Evaluation

Natong Lin, Jiachen Wang, Lisa C. Barry, Song Han ยท 2026

Gait speed is a widely used indicator of functional health and mobility decline, yet in clinical practice it is commonly measured manually using a stopwatch, which limits scalability and measurement fโ€ฆ

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Computer Science Preprint PDF DOI

The Synthetic Media Shift: Tracking the Rise, Virality, and Detectability of AI-Generated Multimodal Misinformation

Zacharias Chrysidis, Stefanos-Iordanis Papadopoulos, Symeon Papadopoulos ยท 2026

As generative AI advances, the distinction between authentic and synthetic media is increasingly blurred, challenging the integrity of online information. In this study, we present CONVEX, a large-scaโ€ฆ

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Physics Preprint PDF DOI

JOYS$+$: A JWST/MIRI survey of the evolution of H$_2$ winds and jets from low-mass protostars

L. Francis, {L}. Tychoniec, E. F. van Dishoeck, A. D. Sellek, A.Caratti o Garatti, V. J. M. Le Gouellec, C. Gieser, H. Beuther, J. M. Vorster, M. E. Ressler, P. Nazari, B. Tabone, K. Assani, R. Devaraj, J. J. Tobin, Maria Gabriela Navarro, P. C. Cortes, J. M. Girart, M. Gudel, Th. Henning, G. Ostlin, G. Wright, T. Ray ยท 2026

Protostellar outflows display wide-angle winds and collimated jets, the magnetocentrifugal launching of which enables accretion onto the protostar. The majority of the outflow mass is likely ejected oโ€ฆ

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Physics Preprint PDF DOI

Manipulation of Superposed Vortex States of $\gamma$ Photon via Nonlinear Compton Scattering

Jun-Lin Zhou, Mamutjan Ababekri, Yong-Zheng Ren, Yu Wang, Ren-Tong Guo, Zhao-Hui Chen, Yu-Han Kou, Zhong-Peng Li, Jian-Xing Li ยท 2026

Vortex $\gamma$ photons in superposition states have important applications in photonuclear, high-energy, and strong-field physics. However, their controlled generation in the $\gamma$-ray regime remaโ€ฆ

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AI & Data Science Preprint PDF DOI

Med-CAM: Minimal Evidence for Explaining Medical Decision Making

Pirzada Suhail, Aditya Anand, Amit Sethi ยท 2026

Reliable and interpretable decision-making is essential in medical imaging, where diagnostic outcomes directly influence patient care. Despite advances in deep learning, most medical AI systems operatโ€ฆ

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Computer Science Preprint PDF DOI

Head Count: Privacy-Preserving Face-Based Crowd Monitoring

Fatemeh Marzani, Thijs van Ede, Geert Heijenk, Maarten van Steen ยท 2026

An important aspect of crowd monitoring is knowing how many people we are dealing with. Sometimes, knowing the size of a crowd in a single location and at a specific moment is enough. Matters become pโ€ฆ

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Mathematics Preprint PDF DOI

Critical regularity and dissipativity for stochastic reaction-diffusion equations in Bochner spaces over spaces of continuous functions

Xuewei Ju, Xiaoting Tong ยท 2026

In this paper, we consider the stochastic reaction-diffusion equation $\mathrm{d}u = (\mathcal{A} u + f(u))\mathrm{d}t + \sigma(u)\mathrm{d}W$ on a smooth bounded domain $\mathcal{O}$ with homogeneousโ€ฆ

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Computer Science Preprint PDF DOI

A Formal Framework for Critical-Mass Collapse in Online Multiplayer Games

Ahmed Sheta (Georgia Institute of Technology) ยท 2026

Online multiplayer games are population-dependent systems whose playability depends on the continued presence of an active player base. We propose a formal framework for reasoning about viability collโ€ฆ

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AI & Data Science Preprint PDF DOI

A 3D SAM-Based Progressive Prompting Framework for Multi-Task Segmentation of Radiotherapy-induced Normal Tissue Injuries in Limited-Data Settings

Caiwen Jiang, Lei Zeng, Wei Liu ยท 2026

Radiotherapy-induced normal tissue injury is a clinically important complication, and accurate segmentation of injury regions from medical images could facilitate disease assessment, treatment planninโ€ฆ

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AI & Data Science Preprint PDF DOI

Selecting Feature Interactions for Generalized Additive Models by Distilling Foundation Models

Jingyun Jia, Chandan Singh, Rich Caruana, Ben Lengerich ยท 2026

Identifying meaningful feature interactions is a central challenge in building accurate and interpretable models for tabular data. Generalized additive models (GAMs) have shown great success at modeliโ€ฆ

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AI & Data Science Preprint PDF DOI

Physics-informed reservoir characterization from bulk and extreme pressure events with a differentiable simulator

Harun Ur Rashid, Mingxin Li, Aleksandra Pachalieva, Georg Stadler, Daniel O'Malley ยท 2026

Accurate characterization of subsurface heterogeneity is challenging but essential for applications such as reservoir pressure management, geothermal energy extraction and CO$_2$, H$_2$, and wastewateโ€ฆ

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AI & Data Science Preprint PDF DOI

Explainable Fall Detection for Elderly Care via Temporally Stable SHAP in Skeleton-Based Human Activity Recognition

Mohammad Saleh, Azadeh Tabatabaei ยท 2026

Fall detection in elderly care requires not only accurate classification but also reliable explanations that clinicians can trust. However, existing post-hoc explainability methods, when applied frameโ€ฆ

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AI & Data Science Preprint PDF DOI

KV Packet: Recomputation-Free Context-Independent KV Caching for LLMs

Chuangtao Chen, Grace Li Zhang, Xunzhao Yin, Cheng Zhuo, Bing Li, Ulf Schlichtmann ยท 2026

Large Language Models (LLMs) rely heavily on Key-Value (KV) caching to minimize inference latency. However, standard KV caches are context-dependent: reusing a cached document in a new context requireโ€ฆ

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