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Physics Preprint PDF DOI

Computational Microwave Imaging Relying on Orbital Angular Momentum Transmitarrays for Improved Diversity

Miguel Angel Balmaseda-Marquez, Guillermo Alvarez-Narciandi, Maria Garcia-Fernandez, Carlos Molero Jimenez, William Whittow, Okan Yurduseven ยท 2026

This work proposes the use of orbital angular momentum (OAM) waves to improve the performance of a computational imaging (CI) system. Specifically, in contrast to a solely frequency-diverse operation,โ€ฆ

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Mathematics Preprint PDF DOI

Immanantal polynomials of the linear combination matrices of graphs

Xiangshuai Dong, Tingzeng Wu ยท 2026

In this paper, we focus on the study of immanantal polynomials for linear combination matrices composed of the degree matrix and adjacency matrix of a graph. First, applying the concept of vertex orieโ€ฆ

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AI & Data Science Preprint PDF DOI

Simulated Annealing for Model-Robust Partial Profile Choice Designs in Healthcare Preference Studies

Yicheng Mao, Roselinde Kessels ยท 2026

Discrete Choice Experiments (DCEs) investigate participants' preferences by observing their choice behavior in hypothetical scenarios and are widely used in the domain of healthcare. To reduce particiโ€ฆ

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Physics Preprint PDF DOI

MIDIS: Strong H$\beta$+[OIII] Line Emitters at $z \geq 9$

Thomas R. Greve, Steven Gillman, Pierluigi Rinaldi, Iris Jermann, Jens Melinder, Goran Ostlin, Pablo G. Perez-Gonzalez, Luis Colina, Fabian Walter, Javier Alvarez-Marquez, Martin J. Ward, Alejandro Crespo Gomez, John P. Pye, Tuomo V. Tikkanen, Edoardo Iani, Roman A. Meyer, Leindert A. Boogaard, Jens Hjorth, Danial Langeroodi, Paul van der Werf, Sarah E. I. Bosman, Karina I. Caputi, Luca Costantin, Marianna Annunziatella, Arjan Bik, Alvaro Labiano, Thomas Henning ยท 2026

We present a search for strong H$\beta$+[O III] emitters at $z=9.4-11.3$ in the HUDF using ultra-deep JWST/MIRI F560W imaging from the MIDIS survey. Three galaxies are identified via pronounced F560W โ€ฆ

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Engineering Preprint PDF DOI

Temporal Derivative Soft-Sensing and Reconstructing Solar Radiation and Heat Flux from Common Environmental Sensors

Neksha DeSilva ยท 2026

Modern methods of environmental monitoring are deficient in the lack of ability to take measurements of energy flows since traditional readings involve capturing parameters such as temperature, pressuโ€ฆ

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Computer Science Preprint PDF DOI

On the Rate Region of I.I.D. Discrete Signaling and Treating Interference as Noise for the Gaussian Broadcast Channel

Yujie Shao, Min Qiu ยท 2026

We revisit the Gaussian broadcast channel (GBC) and explore the rate region achieved by purely discrete inputs with treating interference as noise (TIN) decoding. Specifically, we introduce a simple sโ€ฆ

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Physics Preprint PDF DOI

Direct Photocurrent Detection of Optical Vortex Based on the Orbital Photo Galvanic Effect: Progress, Challenge and Perspective

Jinluo Cheng, Dehong Yang, Weiming Wang, Chang Xu, Zipu Fan, Dong Sun ยท 2026

A photodetector that can directly distinguish the orbital angular momentum (OAM) of light is highly desirable for integrated on-chip OAM detection and focal plane array devices. The recent developmentโ€ฆ

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Mathematics Preprint PDF DOI

Asymptotic behavior of the wave equation subject to a Kelvin-Voigt nonlocal damping

Marcelo Cavalcati, Valeria Domingos Cavalcanti, Josiane Faria, Cintya Okawa ยท 2026

In this article, we examine the well-posedness and asymptotic behavior of the energy associated with the wave equation that incorporates a Kelvin-Voigt nonlocal damping structure given by $-||\nabla uโ€ฆ

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Physics Preprint PDF DOI

Quantum Algebraic Diversity: Single-Copy Density Matrix Estimation via Group-Structured Measurements

Mitchell A. Thornton ยท 2026

We extend the algebraic diversity (AD) framework from classical signal processing to quantum measurement theory. The central result -- the Quantum Algebraic Diversity (QAD) Theorem -- establishes thatโ€ฆ

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Computer Science Preprint PDF DOI

Runtime Enforcement for Operationalizing Ethics in Autonomous Systems

Martina De Sanctis, Gianluca Filippone, Paola Inverardi, Raffaela Mirandola, Sara Pettinari, Patrizia Scandurra ยท 2026

This paper addresses the challenge of operationalizing ethics in autonomous systems through runtime enforcement. It first conceptualizes the system's ethical space and outlines a structured ethics assโ€ฆ

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AI & Data Science Preprint PDF DOI

XSeg: A Large-scale X-ray Contraband Segmentation Benchmark For Real-World Security Screening

Hongxia Gao, Litao Li, Yixin Chen, Jiali Wen, Kaijie Zhang, Qianyun Liu ยท 2026

X-ray contraband detection is critical for public safety. However, current methods primarily rely on bounding box annotations, which limit model generalization and performance due to the lack of pixelโ€ฆ

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Computer Science Preprint PDF DOI

Region-Based Constellation Designs for Constructive Interference Precoding in MU-MIMO

Yupeng Zheng, Chunmei Xu, Jinfei Wang, Yi Ma, Rahim Tafazolli ยท 2026

The performance of constructive interference precoding (CIP) for multi-user multi-antenna (MU-MIMO) systems is governed by the structure of the constructive interference (CI) regions, yet this is overโ€ฆ

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AI & Data Science Preprint PDF DOI

SAGE-GAN: Towards Realistic and Robust Segmentation of Spatially Ordered Nanoparticles via Attention-Guided GANs

Anindya Pal, Varun Ajith, Saumik Bhattacharya, Sayantari Ghosh ยท 2026

Precise analysis of nanoparticles for characterization in electron microscopy images is essential for advancing nanomaterial development. Yet it remains challenging due to the time-consuming nature ofโ€ฆ

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Physics Preprint PDF DOI

Interaction of twisted light with free twisted atoms

I. Pavlov, A. Chaikovskaia, D. Karlovets ยท 2026

We investigate absorption and scattering of structured light by atoms, treating the photon and the atomic center of mass as spatially localized wave packets. We show that vortex photons can transfer oโ€ฆ

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Engineering Preprint PDF DOI

Sim2Real-AD: A Modular Sim-to-Real Framework for Deploying VLM-Guided Reinforcement Learning in Real-World Autonomous Driving

Zilin Huang, Zhengyang Wan, Zihao Sheng, Boyue Wang, Junwei You, Yue Leng, Sikai Chen ยท 2026

Deploying reinforcement learning policies trained in simulation to real autonomous vehicles remains a fundamental challenge, particularly for VLM-guided RL frameworks whose policies are typically learโ€ฆ

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Physics Preprint PDF DOI

Learning high-dimensional quantum entanglement through physics-guided neural networks

Yang Xu, Hao Zhang, Wenwen Zhang, Luchang Niu, Girish Kulkarni, Mahtab Amooei, Sergio Carbajo, Robert W. Boyd ยท 2026

High-gain spontaneous parametric down-conversion (SPDC) produces bright squeezed vacuum with rich high-dimensional entanglement, but its output is inherently multimodal and non-perturbative, making thโ€ฆ

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Physics Preprint PDF DOI

Stars Born in the Wind II: Widespread Extra-planar Star Formation in M82's Halo

Vaishnav V. Rao, Eric F. Bell, Adam Smercina, Elliott Besirli, Andrew Dolphin, Antonela Monachesi, Benjamin Williams, Julianne J. Dalcanton, Roelof S. de Jong ยท 2026

Galaxies evolve in tandem with their environments -- mergers and gas inflows drive galaxy growth while galactic outflows launched by supernovae may seed the galactic environment with gas, metals, and โ€ฆ

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AI & Data Science Preprint PDF DOI

Evaluating Artificial Intelligence Through a Christian Understanding of Human Flourishing

Nicholas Skytland, Lauren Parsons, Alicia Llewellyn, Steele Billings, Peter Larson, John Anderson, Sean Boisen, Steve Runge ยท 2026

Artificial intelligence (AI) alignment is fundamentally a formation problem, not only a safety problem. As Large Language Models (LLMs) increasingly mediate moral deliberation and spiritual inquiry, tโ€ฆ

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Computer Science Preprint PDF DOI

Exclusive and Shared Electric Flying Taxis: Evidence on Modal Shares, Stated Reasons, and Modal Shifts

Nael Alsaleh, Tareq Alsaleh, Fayez Moutassem, Noura Falis, Zainab Islam ยท 2026

This study examines travelers' preferences for electric flying taxi services in the United Arab Emirates (UAE) under varying travel conditions and service configurations. A stated preference (SP) survโ€ฆ

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AI & Data Science Preprint PDF DOI

From Model-Based Screening to Data-Driven Surrogates: A Multi-Stage Workflow for Exploring Stochastic Agent-Based Models

Paul Saves, Matthieu Mastio, Nicolas Verstaevel, Benoit Gaudou ยท 2026

Systematic exploration of Agent-Based Models (ABMs) is challenged by the curse of dimensionality and their inherent stochasticity. We present a multi-stage pipeline integrating the systematic design oโ€ฆ

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