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Physics Preprint PDF DOI

Diffuse Gamma-ray Emission Around 4FGL J1626.0-4917

Ziwei Ou, Jie Wang · 2026

Extended gamma-ray sources provide significant information about particle propagation. 4FGL J1626.0-4917 was labeled as an unassociated source in 4FGL catalog without known counterparts at other wavel…

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Physics Preprint PDF DOI

Coronal Diagnostics Via Modelling Periodic-Beaded Stripes of Solar Radio Bursts

Chuanyang Li, Yao Chen, Bing Wang, Yutong Li, Xiangliang Kong, Hao Ning, Sulan Ni, Shuwang Chang, Zichuan Li, Yang Gao, Zhe Cui, Li Deng, Jingye Yan, Fabao Yan · 2026

Using high-resolution data from the Chashan Broadband Solar radio spectrometer at meter wavelengths (CBSm) of the Chinese Meridian Project-Phase II (CMP-II), Li et al. (2025) identified a novel fine s…

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Physics Preprint PDF DOI

Chapman-Enskog calculation of the shear viscosity of quark-gluon plasma including all $2\leftrightarrow 2$ scatterings at finite temperature

Okey Ohanaka, Zi-Wei Lin · 2026

We use the Chapman-Enskog method to investigate the shear viscosity of the quark-gluon plasma with a focus on its relation to parton cross sections. We use the recently obtained analytical expression …

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Physics Preprint PDF DOI

Accurate distances of the Galactic spiral arms from dust-scattered X-ray emission of gamma-ray bursts

B. Vaia, I. Fornasiero, A. Tiengo, A. Bracco, V. Jelic, Z. Bosnjak, F. Pintore, P. Esposito · 2026

The details of the spiral structure of the Milky Way are still debated due to large uncertainties in the distance estimates obtained through the most common tracers. X-ray dust scattering rings produc…

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Physics Preprint PDF DOI

Investigating interstellar dust along the line of sight of GX 13+1 using different dust size distributions

B. Vaia, S.T. Zeegers, I. Abril-Cabezas, E. Costantini · 2026

Context. High-resolution X-ray spectroscopy offers a powerful tool to investigate the physical and chemical properties of dust grains, especially through the analysis of absorption edges of elements s…

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Computer Science Preprint PDF DOI

#MakeBeefGreatAgain: A Cross-Platform Analysis of Early #MAHA Discourse

Haoning Xue, Yue Li, Benjamin A. Lyons, Andy J. King · 2026

Make America Healthy Again (MAHA) is a health-related campaign slogan proposed by Robert F. Kennedy Jr. and later incorporated into the political coalition of President Trump. While #MAHA quickly circ…

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Physics Preprint PDF DOI

Probable Detection of a Cooler Gas Component in the Perseus Cluster with XRISM

Julian Meunier, Brian R. McNamara, Aurora Simionescu, Francois Mernier, Irina Zhuravleva, Congyao Zhang, Annie Heinrich, Julie Hlavacek-Larrondo, Frederick S. Porter, Benjamin Vigneron, John ZuHone, Elena Bellomi, Ian Drury, Megan E. Eckart, Ryuichi Fujimoto, Yutaka Fujita, Liyi Gu, Isamu Hatsukade, Yuto Ichinohe, Yoshiaki Kanemaru, Takao Kitaguchi, Shunji Kitamoto, Shogo Kobayashi, Takayoshi Kohmura, Hironori Matsumoto, Kyoko Matsushita, Kostas Migkas, Ikuyuki Mitsuishi, Koji Mori, Hiroshi Nakajima, Hirofumi Noda, Anna Ogorzalek, Naomi Ota, Lior Shefler, Nhut Truong, Aysegul Tumer, Nagomi Uchida, Yuusuke Uchida, Shutaro Ueda · 2026

We present an analysis of the temperature structure of the Perseus cluster atmosphere using XRISM Resolve observations. The average temperature rises from 3.3 keV near the nucleus of NGC 1275 to 8 keV…

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AI & Data Science Preprint PDF DOI

From Global to Local: Rethinking CLIP Feature Aggregation for Person Re-Identification

Aotian Zheng, Winston Sun, Bahaa Alattar, Vitaly Ablavsky, Jenq-Neng Hwang · 2026

CLIP-based person re-identification (ReID) methods aggregate spatial features into a single global \texttt{[CLS]} token optimized for image-text alignment rather than spatial selectivity, making repre…

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Physics Preprint PDF DOI

The virial expansion of the Hydrogen equation of state in comparison to PIMC simulations: the quasiparticle concept, IPD, and ionization degree

Gerd Ropke, Chengliang Lin, Werner Ebeling, Heidi Reinholz · 2026

The properties of plasmas in the low-density limit are described by virial expansions. Analytical expressions are known for the lowest virial coefficients from Green's function approaches.Recently, ac…

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AI & Data Science Preprint PDF DOI

Self-Awareness before Action: Mitigating Logical Inertia via Proactive Cognitive Awareness

Fulong Fan, Peilin Liu, Fengzhe Liu, Shuyan Yang, Gang Yan · 2026

Large language models perform well on many reasoning tasks, yet they often lack awareness of whether their current knowledge or reasoning state is complete. In non-interactive puzzle settings, the nar…

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AI & Data Science Preprint PDF DOI

Adaptive Slicing-Assisted Hyper Inference for Enhanced Small Object Detection in High-Resolution Imagery

Francesco Moretti, Yi Jin, Guiqin Mario · 2026

Deep learning-based object detectors have achieved remarkable success across numerous computer vision applications, yet they continue to struggle with small object detection in high-resolution aerial …

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AI & Data Science Preprint PDF DOI

SAHM: A Benchmark for Arabic Financial and Shari'ah-Compliant Reasoning

Rania Elbadry, Sarfraz Ahmad, Ahmed Heakl, Dani Bouch, Momina Ahsan, Muhra AlMahri, Marwa Elsaid khalil, Yuxia Wang, Salem Lahlou, Sophia Ananiadou, Veselin Stoyanov, Jimin Huang, Xueqing Peng, Preslav Nakov, Zhuohan Xie · 2026

English financial NLP has progressed rapidly through benchmarks for sentiment, document understanding, and financial question answering, while Arabic financial NLP remains comparatively under-explored…

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Computer Science Preprint PDF DOI

Physical and Augmented Reality based Playful Activities for Refresher Training of ASHA Workers in India

Arka Majhi, Satish B. Agnihotri, Aparajita Mondal · 2026

Recent health surveys in India highlight the alarming child malnutrition levels and lower rates of complete child immunization in many parts of India. Previous researches report that the conventional …

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AI & Data Science Preprint PDF DOI

LoRaQ: Optimized Low Rank Approximation for 4-bit Quantization

Yann Bouquet, Alireza Khodamoradi, Sophie Yang Shen, Kristof Denolf, Mathieu Salzmann · 2026

Post-training quantization (PTQ) is essential for deploying large diffusion transformers on resource-constrained hardware, but aggressive 4-bit quantization significantly degrades generative performan…

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Mathematics Preprint PDF DOI

Regularity of Squarefree Powers of Edge Ideals of Whiskered Cycles

Sanjoy Das, Arka Ghosh, S Selvaraja · 2026

Let $G$ be a finite simple graph and let $I(G)$ denote its edge ideal. For $q \ge 1$, the $q$-th squarefree power $I(G)^{[q]}$ is generated by squarefree monomials corresponding to matchings of size $…

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Mathematics Preprint PDF DOI

On local integrability results for $p$-adic reductive groups

Cheng-Chiang Tsai · 2026

We present a short proof, based on local character expansions, of the celebrated theorem of Harish-Chandra about local integrability of complex characters of $p$-adic reductive groups. The proof gives…

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Physics Preprint PDF DOI

Structure and Large-Scale Kinematics of Young Stellar Populations in the NGC 6357 and NGC 6334 Giant Molecular Cloud Complex

Matthew S. Povich, Leisa K. Townsley, Patrick S. Broos, Aldair E. Bonilla, Giaky Nguyen, Carly Soos, Michael A. Kuhn, Simran S. Singh, Gordon P. Garmire · 2026

We map the three-dimensional structure and large-scale kinematics of the young stellar populations in the G352 giant molecular cloud (GMC) complex. In radio and infrared images, G352 appears as long f…

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Physics Preprint PDF DOI

Enhanced activity in close dual-AGN systems in the local Universe

Lorenzo Battistini, Alessandra De Rosa, Paola Severgnini, Cristian Vignali, Jasbir Singh, Pedro R. Capelo, Elena Bertola, Stefano Bianchi, Quirino D'Amato, Matteo Guainazzi, Fabio La Franca, Isabella Lamperti, Filippo Mannucci, Manali Parvatikar, Enrico Piconcelli, Federica Ricci, Fabio Rigamonti, Martina Scialpi, Maria Vittoria Zanchettin · 2026

We present the study of an X-ray selected sample of active galactic nuclei (AGN) in pairs at projected spatial separations 1 <$ r_p$/kpc < 100 at z < 0.1, using XMM-Newton and Chandra data. The pair s…

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Mathematics Preprint PDF DOI

On ergodicity of the SAGA-LD algorithm

Miklos Rasonyi · 2026

The so-called SAGA-LD algorithm is used for efficient sampling from high-dimensional distributions in machine learning. Its intricate dynamics resists standard approaches of Markov chain theory. We pr…

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Physics Preprint PDF DOI

Metal enrichment in the galaxy group IC 1262

Satish S. Sonkamble, Dharam V. Lal, S. Ilani Loubser, Mahadev B. Pandge · 2026

We present a new metal enrichment analysis of a unique galaxy group IC 1262 using archival Chandra and GMRT observations, focusing on metal transport via radio jet, sloshing cold fronts, and shock fro…

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