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AI & Data Science Preprint PDF DOI

Cross-Lingual Response Consistency in Large Language Models: An ILR-Informed Evaluation of Claude Across Six Languages

Camelia Baluta · 2026

This paper introduces a systematic evaluation framework grounded in the Interagency Language Roundtable (ILR) Skill Level Descriptions and applies it to Claude (Sonnet 4.6) across six languages: Engli…

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Physics Preprint PDF DOI

Charge diffusion and modulation transfer function in a Nancy Grace Roman Space Telescope detector

Emily Macbeth, Katherine Laliotis, Christopher M. Hirata, Christopher Merchant · 2026

The Nancy Grace Roman Space Telescope (Roman) is an observatory motivated by the search to understand dark energy, exoplanets, and general astrophysics. Roman will bring unprecedented amounts of preci…

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Physics Preprint PDF DOI

Kinematic Lensing Ratio: Reviving Weak Lensing Cosmography as a Geometric Dark Energy Probe

Qinxun Li (University of Utah) · 2026

We introduce the kinematic lensing ratio (KiLeR), a geometric dark-energy probe from weak lensing. Combining shear ratios with intrinsic galaxy shapes inferred from kinematics, KiLeR naturally mitigat…

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AI & Data Science Preprint PDF DOI

Korean aegyo speech shows systematic F1 increase to signal childlike qualities

Ji-eun Kim, Volker Dellwo · 2026

Korean aegyo is a socially recognized childlike speaking style used predominantly in romantic interactions among adults. This study examined vowel space modification in aegyo by analyzing formant freq…

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Computer Science Preprint PDF DOI

What Did They Mean? How LLMs Resolve Ambiguous Social Situations across Perspectives and Roles

Qiming Yuan, Linyi Han, Nam Ling, Cihan Ruan · 2026

People increasingly turn to large language models (LLMs) to interpret ambiguous social situations: a delayed text reply, an unusually cold supervisor, a teacher's mixed signals, or a boundary-crossing…

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AI & Data Science Preprint PDF DOI

Neural Grammatical Error Correction for Romanian

Teodor-Mihai Cotet, Stefan Ruseti, Mihai Dascalu · 2026

Resources for Grammatical Error Correction (GEC) in non-English languages are scarce, while available spellcheckers in these languages are mostly limited to simple corrections and rules. In this paper…

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Physics Preprint PDF DOI

Diffusion-based Galaxy Simulations for the Roman High Latitude Survey

Diana Scognamiglio, Jake H. Lee, Eric Huff, Sergi R. Hildebrandt, Shoubaneh Hemmati · 2026

Future weak lensing analyses with the Nancy Grace Roman Space Telescope will require highly realistic image simulations to control shear systematics at unprecedented precision. A key limitation of exi…

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Physics Preprint PDF DOI

Photometric Super-Resolution for Improving Galaxy Morphological Measurements using Conditional Generative Adversarial Networks

Samuel Kahn (UCSC), Ryan Hausen (Johns Hopkins), Hubert Bretonniere (UCSC), Nicole Drakos (UH), Brant Robertson (UCSC) · 2026

The measurement of galaxy morphological parameters from astronomical images features in a wide range of modern analyses, including galaxy evolution and cosmological weak lensing studies. The precision…

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Computer Science Preprint PDF DOI

Frictionless Love: Associations Between AI Companion Roles and Behavioral Addiction

Vibhor Agarwal, Ke Zhou, Edyta Paulina Bogucka, Daniele Quercia · 2026

AI companion chatbots increasingly shape how people seek social and emotional connection, sometimes substituting for relationships with romantic partners, friends, teachers, or even therapists. When t…

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Physics Preprint PDF DOI

Calibration-Induced Systematics in SALT3 Training and Their Impact on Dark Energy Constraints from Stage IV Supernova Surveys

Kene Anumba, David 0. Jones, Richard Kessler, Daniel Scolnic, W. D'Arcy Kenworthy, Rebecca C. Chen, Bastien Carreres, Maria Vincenzi, Erik R. Peterson, Maria Acevedo, Ben Rose, Dillon Brout, Jillian Paulin, Rujuta A. Purohit, Rebekah Hounsell, The Roman Supernova Cosmology Project Infrastructure Team · 2026

In the coming years, the Vera Rubin Observatory's Legacy Survey of Space and Time (Rubin-LSST) and the Nancy Grace Roman Space Telescope's (Roman) High Latitude Time Domain Survey (HLTDS) are expected…

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Physics Preprint PDF DOI

Resolved UV-Optical HST Imaging and Spectral Energy Distribution Modeling of Nearby BAT Active Galactic Nuclei

Connor Auge, Michael Koss, Kriti K. Gupta, Claudio Ricci, Benny Trakhtenbrot, Franz E. Bauer, Ezequiel Treister, Alessandro Peca, Brad Cenko, Kohei Ichikawa, Arghajit Janna, Darshan Kakkad, Richard Mushotzky, Kyuseok Oh, Alejandra Rojas Lilayu, David Sanders, Roberto Serafinelli, Matilde Signorini, Alessia Tortosa, C. Megan Urry · 2026

We use high-resolution UV-to-optical imaging from the Hubble Space Telescope (HST) to construct spatially resolved spectral energy distributions (SEDs) for seven nearby ($z<0.07$) hard (14--195$\,$keV…

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AI & Data Science Preprint PDF DOI

RoLegalGEC: Legal Domain Grammatical Error Detection and Correction Dataset for Romanian

Mircea Timpuriu, Mihaela-Claudia Cercel, Dumitru-Clementin Cercel · 2026

The importance of clear and correct text in legal documents cannot be understated, and, consequently, a grammatical error correction tool meant to assist a professional in the law must have the abilit…

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AI & Data Science Preprint PDF DOI

And Quiet Does Not Flow the Don: Statistical Analysis of a Quarrel Between Nobel Prize Laureates

Nils Lid Hjort · 2026

The Nobel Prize in literature 1965 was awarded Mikhail Sholokhov (1905-1984), for the epic novel Tikhij Don about Cossack life and the birth of a new Soviet society (And Quiet Flows the Don, or The Qu…

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AI & Data Science Preprint PDF DOI

RoIt-XMASA: Multi-Domain Multilingual Sentiment Analysis Dataset for Romanian and Italian

Andrei-Marius Avram, Aureliu Valentin Antonie, Cosmin-Mircea Croitoru, Vlad Andrei Muntean, Dumitru-Clementin Cercel · 2026

We present RoIt-XMASA, a multilingual dataset that extends the Cross-lingual Multi-domain Amazon Sentiment Analysis to Italian and Romanian, comprising 36,000 labeled reviews across three domains (boo…

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Physics Preprint PDF DOI

Forecasting neutrino mass constraints from the Nancy Grace Roman Space Telescope

Francesco Spezzati, Yun Wang, Andrew Hearin · 2026

We present realistic forecasts for the constraining power of the Nancy Grace Roman Space Telescope on fundamental cosmological parameters, with particular emphasis on the absolute neutrino mass scale,…

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Physics Preprint PDF DOI

An Improved Fit for Linear Halo Bias at High Redshift

Kuan Wang, Julian B. Munoz, L. Y. Aaron Yung · 2026

High- to ultrahigh-redshift clustering of halos provides a powerful tool to understand cosmology and galaxy formation. However, theoretical predictions are not firmly established in the first billion …

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Economics & Finance Preprint PDF DOI

Gender, Unpaid Work, and Social Norms in Young Italian Families: Evidence from Couples Time Diaries

C. Monfardini, E. Pisanelli · 2026

Why do large gender inequalities in everyday life persist even as women strengthen their attachment to paid work? Existing evidence shows that women continue to do more unpaid work than men, but much …

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Physics Preprint PDF DOI

Self-Lensing Signals in Binary Systems Containing White Dwarfs with Neutron star or Stellar-mass Black hole Companions

Sedighe Sajadian, Man Ho Chan · 2026

Light curves from binary systems containing white dwarfs with neutron star or stellar-mass black hole companions (WD+NS and WD+BH) with edge-on orbital planes potentially show self-lensing/eclipsing s…

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AI & Data Science Preprint PDF DOI

MCAnalysis: An Open-Source Package for Preprocessing, Modelling, and Visualisation of Menstrual Cycle Effects in Digital Health Data

Kyra Delray, Glyn Lewis, Bola Grace, Joseph Hayes, Robin Evans · 2026

The menstrual cycle influences numerous physiological and psychological outcomes, yet standardised, open-source statistical methods for quantifying these cyclic effects remain lacking. We developed mc…

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Physics Preprint PDF DOI

Comment on arXiv:2604.09826: Discovery of the Solution to the "Einstein--Podolsky--Rosen Paradox"

Miko{l}aj Sienicki, Krzysztof Sienicki · 2026

Roman Schnabel's article argues that the Einstein-Podolsky-Rosen (EPR) paradox can be resolved by identifying a flaw in what the author calls the "EPR implication" and by using radioactive alpha decay…

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