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Physics Preprint PDF DOI

Brightenings AnD Polarity Inversion Tracking (BADPIT) method for studying solar active region evolution before major solar flares

Augustin Andre-Hoffmann, Marianna B. Korsos, Alexander Nindos, Spiros Patsourakos, Manolis K. Georgoulis, Robertus Erdelyi ยท 2026

This study investigates the relationship between extreme ultraviolet (EUV) transient brightenings (TBs) and the onset of GOES X-class solar flares in active regions (ARs). We introduce the Brighteningโ€ฆ

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Physics Preprint PDF DOI

$\mathcal{H}$olographic $\mathcal{N}$aturalness and Information See-Saw Mechanism for Neutrinos

Andrea Addazi, Giuseppe Meluccio ยท 2026

The microscopic origin of the de Sitter entropy remains a central puzzle in quantum gravity related to the cosmological constant problem. Within $\mathcal{H}$olographic $\mathcal{N}$aturalness, we proโ€ฆ

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Physics Preprint PDF DOI

$\mathcal{H}$olographic $\mathcal{N}$aturalness and Pre-Geometric Gravity

Andrea Addazi, Salvatore Capozziello, Giuseppe Meluccio ยท 2026

The cosmological constant (CC, $\Lambda$) problem represents a remarkable discrepancy of about 120 orders of magnitude between the observed dark energy and its natural expectation from quantum field tโ€ฆ

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AI & Data Science Preprint PDF DOI

Correcting Performance Estimation Bias in Imbalanced Classification with Minority Subconcepts

Taylor Maxson, Roberto Corizzo, Yaning Wu, Nathalie Japkowicz, Colin Bellinger ยท 2026

Class-level evaluation can conceal substantial performance disparities across subconcepts within the same class, causing models that perform well on average to fail on specific subpopulations. Prior wโ€ฆ

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Physics Preprint PDF DOI

Nature and nurture: the dynamical ages of in situ and accreted globular clusters in the Milky Way

Eugenio Carretta (INAF - Osservatorio di Astrofisica e Scienza dello Spazio di Bologna) ยท 2026

The bifurcated age-metallicity relation of globular clusters (GCs) in the Milky Way (MW) shows that GCs are either originated in situ or accreted into the Galaxy from former satellites of the MW. The โ€ฆ

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Physics Preprint PDF DOI

JOYS+ analyses of OCN$^-$, N$_2$O, NO, and complex cyanides in ices -- Thermal processing results in modest enhancement of OCN$^-$ ice

P. Nazari, N. Brunken, Y. Chen, K. Slavicinska, E. F. van Dishoeck, W. R. M. Rocha, A. C. A. Boogert, M. G. Navarro, V. J. M. Le Gouellec, L. Francis, L. Tychoniec, A. Caratti o Garatti, C. Gieser, T. P. Greene, P. J. Kavanagh ยท 2026

Nitrogen-bearing molecules are more difficult to observe than oxygen-bearing ones, mainly due to the lower abundance of nitrogen in the interstellar medium. Therefore, the formation pathways of many oโ€ฆ

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AI & Data Science Preprint PDF DOI

DV-World: Benchmarking Data Visualization Agents in Real-World Scenarios

Jinxiang Meng, Shaoping Huang, Fangyu Lei, Jingyu Guo, Haoxiang Liu, Jiahao Su, Sihan Wang, Yao Wang, Enrui Wang, Ye Yang, Hongze Chai, Jinming Lv, Anbang Yu, Huangjing Zhang, Yitong Zhang, Yiming Huang, Zeyao Ma, Shizhu He, Jun Zhao, Kang Liu ยท 2026

Real-world data visualization (DV) requires native environmental grounding, cross-platform evolution, and proactive intent alignment. Yet, existing benchmarks often suffer from code-sandbox confinemenโ€ฆ

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Biology & Life Sciences Preprint PDF DOI

Robust Clustering Analysis of Genes Related to Age-related Macular Degeneration using RNA-Seq

Brayan Gutierrez, Rinki Ratnapriya, Arko Barman ยท 2026

Identifying genes associated with diseases is crucial to understanding disease mechanisms and developing therapies. However, identification of individual genes associated with a disease often needs toโ€ฆ

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Physics Preprint PDF DOI

From short-lived to long-lived clouds: impact of star formation models on giant molecular cloud evolution in simulations of an NGC 300-like galaxy

Daniel Han, Taysun Kimm, Cheonsu Kang, Jaehyun Lee, Harley Katz, Joki Rosdahl ยท 2026

Multi-wavelength observations of molecular and ionized gas indicate that GMCs are short-lived, generally dispersing within one or two dynamical timescales. To investigate the physical origin of these โ€ฆ

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Computer Science Preprint PDF DOI

Make Any Collection Navigable: Methods for Constructing and Evaluating Hypergraph of Text

Dean E. Alvarez, ChengXiang Zhai ยท 2026

One reason the Web is more useful than a simple collection of documents is that the structure created by hyperlinks enables flexible navigation from one web page to another. However, hyperlinks are tyโ€ฆ

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AI & Data Science Preprint PDF DOI

Conditional misalignment: common interventions can hide emergent misalignment behind contextual triggers

Jan Dubinski, Jan Betley, Anna Sztyber-Betley, Daniel Tan, Owain Evans ยท 2026

Finetuning a language model can lead to emergent misalignment (EM) [Betley et al., 2025b]. Models trained on a narrow distribution of misaligned behavior generalize to more egregious behaviors when teโ€ฆ

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Physics Preprint PDF DOI

Explainable AI for Jet Tagging: A Comparative Study of GNNExplainer, GNNShap, and GradCAM for Jet Tagging in the Lund Jet Plane

Pahal D. Patel, Sanmay Ganguly ยท 2026

Graph neural networks such as ParticleNet and transformer based networks on point clouds such as ParticleTransformer achieve state-of-the-art performance on jet tagging benchmarks at the Large Hadron โ€ฆ

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Physics Preprint PDF DOI

QCalEval: Benchmarking Vision-Language Models for Quantum Calibration Plot Understanding

Shuxiang Cao, Zijian Zhang, Abhishek Agarwal, Grace Bratrud, Niyaz R. Beysengulov, Daniel C. Cole, Alejandro Gomez Frieiro, Elena O. Glen, Hao Hsu, Gang Huang, Raymond Jow, Greshma Shaji, Tom Lubowe, Ligeng Zhu, Luis Mantilla Calderon, Nicola Pancotti, Joel Pendleton, Brandon Severin, Charles Etienne Staub, Sara Sussman, Antti Vepsalainen, Neel Rajeshbhai Vora, Yilun Xu, Varinia Bernales, Daniel Bowring, Elica Kyoseva, Ivan Rungger, Giulia Semeghini, Sam Stanwyck, Timothy Costa, Alan Aspuru-Guzik, Krysta Svore ยท 2026

Quantum computing calibration depends on interpreting experimental data, and calibration plots provide the most universal human-readable representation for this task, yet no systematic evaluation exisโ€ฆ

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Physics Preprint PDF DOI

$\texttt{cuSkyrmion}$: A CUDA-OpenGL framework for interactive simulation and visualization of nuclei as Skyrmions

Sven Bjarke Gudnason, Paul Leask ยท 2026

We introduce $\texttt{cuSkyrmion}$, a 3-dimensional Skyrme model computation and visualization software, that is written in CUDA C for rapid computation and visualization of especially the arrested Neโ€ฆ

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AI & Data Science Preprint PDF DOI

When Errors Can Be Beneficial: A Categorization of Imperfect Rewards for Policy Gradient

Shuning Shang, Hubert Strauss, Stanley Wei, Sanjeev Arora, Noam Razin ยท 2026

Training language models via reinforcement learning often relies on imperfect proxy rewards, since ground truth rewards that precisely define the intended behavior are rarely available. Standard metriโ€ฆ

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Computer Science Preprint PDF DOI

Twisted and Twisted Linearized Reed--Solomon Codes, LCD and ACD MDS constructions

Sanjit Bhowmick, Kuntal Deka, Edgar Martinez-Moro ยท 2026

We investigate a natural subfamily of twisted linearized Reed--Solomon (TLRS) codes in the sum-rank metric, where the twist is applied only to the constant term. We establish a simple necessary and suโ€ฆ

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Physics Preprint PDF DOI

Learning Neural Operator Surrogates for the Black Hole Accretion Code

Matthias Nagele, Cedric Bos, Chester Tan, Christian M. Fromm, Ingo Scholtes, Karl Mannheim ยท 2026

General-relativistic magnetohydrodynamic (GR-MHD) simulations are essential for studying black hole accretion, relativistic jets, and magnetic reconnection, yet their computational cost severely limitโ€ฆ

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Physics Preprint PDF DOI

Global DIC-based sample-detector geometry refinement for accurate EBSD indexing

Claire Griesbach, Dennis M. Kochmann ยท 2026

Electron backscatter diffraction is a powerful tool for mapping crystallographic microstructures. However, the primary crux to improving orientation accuracy and applying the technique to challenging โ€ฆ

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Computer Science Preprint PDF DOI

RESTestBench: A Benchmark for Evaluating the Effectiveness of LLM-Generated REST API Test Cases from NL Requirements

Leon Kogler, Stefan Hangler, Maximilian Ehrhart, Benedikt Dornauer, Roland Wuersching, Peter Schrammel ยท 2026

Existing REST API testing tools are typically evaluated using code coverage and crash-based fault metrics. However, recent LLM-based approaches increasingly generate tests from NL requirements to valiโ€ฆ

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AI & Data Science Preprint PDF DOI

Agentic Harness Engineering: Observability-Driven Automatic Evolution of Coding-Agent Harnesses

Jiahang Lin, Shichun Liu, Chengjun Pan, Lizhi Lin, Shihan Dou, Xuanjing Huang, Hang Yan, Zhenhua Han, Tao Gui ยท 2026

Harnesses are now central to coding-agent performance, mediating how models interact with tools and execution environments. Yet harness engineering remains a manual craft, because automating it faces โ€ฆ

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