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AI & Data Science Preprint PDF DOI

Different Strokes for Different Folks: Writer Identification for Historical Arabic Manuscripts

Hamza A. Abushahla, Ariel Justine N. Panopio, Layth Al-Khairulla, Mohamed I. AlHajri · 2026

Handwritten Arabic manuscripts preserve the Arab world's intellectual and cultural heritage, and writer identification supports provenance, authenticity verification, and historical analysis. Using th…

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Engineering Preprint PDF DOI

A Replicable Robotics Awareness Method Using LLM-Enabled Robotics Interaction: Evidence from a Corporate Challenge

S. A. Prieto, M. A. Gopee, Y. Ben Arab, B. Garcia de Soto, J. Esteba, P. Olivera Brizzio · 2026

Large language models are increasingly being explored as interfaces between humans and robotic systems, yet there remains limited evidence on how such technologies can be used not only for interaction…

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Physics Preprint PDF DOI

Transition path sampling in Ising models on heterogeneous graphs

Riccardo Cipolloni, Federico Ricci-Tersenghi, Francesco Zamponi · 2026

Activated transitions have rates that are often exponentially small in system size. Extracting the associated activation barriers is challenging in practice, especially in the deeply metastable regime…

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Physics Preprint PDF DOI

CHARA Interferometry and TESS Asteroseismology of the Core-Helium Burning Red Giant $\kappa$ Cyg

Arnab Chowhan, Timothy R. Bedding, Daniel Huber, J. M. Joel Ong, Lea S. Schimak, Yaguang Li, Courtney L. Crawford, Timothy R. White · 2026

We present a detailed study of the secondary red clump star, $\kappa$ Cyg, by combining long-baseline visible interferometry using the PAVO beam combiner at the CHARA Array with high-precision asteros…

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Economics & Finance Preprint PDF DOI

Distributional Change in Ordinal Data with Missing Observations: Minimal Mobility and Partial Identification

Rami V. Tabri · 2026

Empirical analyses of ordinal outcomes using repeated cross-sectional data rely on marginal distributions, leaving the joint distribution unobserved and the sources of distributional change unidentifi…

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Earth & Environmental Sciences Preprint PDF DOI

Direct Images of CO2 Absorption in the Atmosphere of a Super-Jupiter: Enhanced Metallicity Suggestive of Formation in a Disk

William O. Balmer, Laurent Pueyo, Ashley Messier, Evelyn Bruinsma, Jeremy Jones, Klara Matuszewska, Marshall D. Perrin, Julien H. Girard, Jarron M. Leisenring, Kellen Lawson, Roeland P. van der Marel, Jens Kammerer, Aarynn Carter, Mathilde Malin, Kimberly Ward-Duong, Kielan K. W. Hoch, Emily Rickman, Sara Seager · 2026

It is unclear how directly imaged substellar companions with masses near the deuterium burning limit form, because these objects are rare and their bulk properties are not diagnostic of their formatio…

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AI & Data Science Preprint PDF DOI

$\oslash$ Source Models Leak What They Shouldn't $\nrightarrow$: Unlearning Zero-Shot Transfer in Domain Adaptation Through Adversarial Optimization

Arnav Devalapally, Poornima Jain, Kartik Srinivas, Vineeth N. Balasubramanian · 2026

The increasing adaptation of vision models across domains, such as satellite imagery and medical scans, has raised an emerging privacy risk: models may inadvertently retain and leak sensitive source-d…

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Mathematics Preprint PDF DOI

Relative Serre duality for Coxeter groups

Colton Sandvik · 2026

It was conjectured by Gorsky, Hogancamp, Mellit, and Nakagane that the left and right adjoints of the parabolic induction functor between homotopy categories of Soergel bimodules associated to a finit…

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Physics Preprint PDF DOI

Distributed Quantum Property Testing with Communication Constraints

Mina Doosti, Ryan Sweke, Chirag Wadhwa · 2026

We introduce a framework for distributed quantum inference under communication constraints. In our model, $m$ distributed nodes each receive one copy of an unknown $d$-dimensional quantum state $\rho$…

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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 · 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) surv…

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Physics Preprint PDF DOI

Complete synchronization in networks of Sakaguchi-Kuramoto oscillators with bi-harmonic coupling

Subhasish Chowdhury, Sangita Dutta, Pitambar Khanra, Swarup Kumar Laha, Prosenjit Kundu · 2026

In heterogeneous networks of coupled oscillators, phase frustration typically prevents the emergence of complete synchronization in the Sakaguchi-Kuramoto (SK) model. In this study, we propose an anal…

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Computer Science Preprint PDF DOI

Global brain drain and gain in high-potential student mobility

Tabia Tanzin Pramaa, Christopher M. Danfortha, Peter Sheridan Dodds · 2026

The mobility of high-potential individuals, particularly graduates from elite academic institutions, serves as a critical driver of global innovation and economic development. Despite its importance, …

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AI & Data Science Preprint PDF DOI

Large Language Models Reproduce Racial Stereotypes When Used for Text Annotation

Petter Tornberg · 2026

Large language models (LLMs) are increasingly used for automated text annotation in tasks ranging from academic research to content moderation and hiring. Across 19 LLMs and two experiments totaling m…

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Economics & Finance Preprint PDF DOI

How Vulnerable is India's Economy to Foreign Sanctions?

Vipin P. Veetil · 2026

This paper develops a simple model of the world supply chain to estimate the effects of sanctions that restrict the flow of inputs from one country to another. Such restrictions operate through change…

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Computer Science Preprint PDF DOI

Partitioning Israeli Municipalities into Politically Homogeneous Cantons: A Constrained Spatial Clustering Approach

Adir Elmakais, Oren Glickman · 2026

Israeli society has experienced significant political polarization in recent years, reflected in five Knesset elections held within a four-year period (2019-2022). Public discourse increasingly refere…

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Physics Preprint PDF DOI

Detection and Astrometry of the Ba-Bb Subsystem in $\alpha$ Piscium: First Dual-Field Interferometry at the CHARA Array

Narsireddy Anugu, Robert Klement, John D. Monnier, Douglas R. Gies, Gail H. Schaefer, Stefan Kraus, Sebastian Carrazco-Gaxiola, Akshat S. Chaturvedi, Mayra Gutierrez, Becky Flores, Jeremy Jones, Colin Kane, Rainer Kohler, Karolina Kubiak, Olli W. Majoinen, Nicholas J. Scott, Kayvon Sharifi · 2026

We present the first on-sky demonstration of dual-field interferometry at the CHARA Array and the first direct resolution of the inner Ba--Bb subsystem in the bright hierarchical triple $\alpha$ Pisci…

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Mathematics Preprint PDF DOI

Theoretical insights on the residual transformation from bi-conjugate gradient into bi-conjugate residual via a smoothing scheme

Arisa Kawase, Kensuke Aihara · 2026

Bi-conjugate gradient (Bi-CG) and bi-conjugate residual (Bi-CR) methods are underlying iterative solvers for linear systems with nonsymmetric matrices. Residual smoothing is a standard technique for o…

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Engineering Preprint PDF DOI

Assessing Ionospheric Scintillation Risk for Direct-to-Cellular Communications using Frequency-Scaled GNSS Observations

Abdollah Masoud Darya, Muhammad Mubasshir Shaikh · 2026

One of the key issues facing Direct-to-Cellular (D2C) satellite communication systems is ionospheric scintillation on the uplink and downlink, which can significantly degrade link quality. This work i…

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Physics Preprint PDF DOI

CHARA Array Delay Lines: Upgrades, Performance and Future Directions

Narsireddy Anugu, Nils H. Turner, Theo A. ten Brummelaar, Gail H. Schaefer, Philippe Berio, Christopher D. Farrington, Becky Flores, Douglas R. Gies, Stefan Kraus, Edgar R. Ligon III, Olli Majoinen, John D. Monnier, Denis Mourard, Nicholas J. Scott, Norman L. Vargas · 2026

Long baseline optical and infrared interferometric arrays achieve high angular resolution and enable detailed astrophysical measurements. Interferometers have enabled observations of stars at various …

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Physics Preprint PDF DOI

Influence of electrical properties on thermal boundary conductance at metal/semiconductor interface

Quentin Pompidou (ITheMM, URCA UFR SEN), Juan Carlos Acosta Abanto (CETHIL), M. Brouillard (IEMN, MICROELEC SI - IEMN), Nicolas Bercu (L2n, LRN), L. Giraudet (L2n, LRN), Rami Sheikh, C. Adessi (ILM, iLM - ENERGIE, iLM - MMCI), S. Merabia (ILM, iLM - ENERGIE, iLM - MMCI), S. Gomes (CETHIL), Pierre-Olivier Chapuis (CETHIL), J.-F. Robillard (MICROELEC SI - IEMN, IEMN), Mihai Chirtoc (ITheMM, URCA UFR SEN), N. Horny (ITheMM, URCA UFR SEN) · 2026

Recent experimental investigations have demonstrated that doping a semiconductor is a route to increase the thermal boundary conductance at metal/semiconductor interfaces. In this work, the influence …

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