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arXiv preprints from January 1, 2026 through July 20, 2026 — 00:32:43 EST

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Posted in cs.CL · 2026-01-20 · Chenyu Hui

Towards robust long-context understanding of large language model via active recap learning

In this paper, we propose active recap learning (ARL), a framework for enhancing large language model (LLM) in understanding long contexts. ARL enables models to revisit and summarize earlier content through targeted sequence construction during contined pretraining and retrospective summarization at inference. First, we identify key...

💬 0 commentsarXiv:2601.13734v1PDF
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Posted in hep-ph · 2026-01-20 · Chisato Uno, Tetsuo Hyodo

Structure of Bound States with Coulomb plus Short-range Interaction

We study the structure of bound states appearing in systems governed by the Coulomb and short-range interactions. We analyze the binding energies and wave functions of the bound states generated by the Coulomb plus short-range potential. We demonstrate that Coulomb-induced shifts of the binding energy are closely correlated with the...

💬 0 commentsarXiv:2601.13733v1PDF
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Posted in cs.RO · 2026-01-20 · Andreas Wiedholz, Rafael Paintner, Julian Gleißner, Alwin Hoffmann, Tobias Huber

SUNSET -- A Sensor-fUsioN based semantic SegmEnTation exemplar for ROS-based self-adaptation

The fact that robots are getting deployed more often in dynamic environments, together with the increasing complexity of their software systems, raises the need for self-adaptive approaches. In these environments robotic software systems increasingly operate amid (1) uncertainties, where symptoms are easy to observe but root causes...

💬 0 commentsarXiv:2601.13732v1PDF
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Posted in cs.SC · 2026-01-20 · Rui-Juan Jing, Yuegang Zhao, Changbo Chen

Breaking the Data Barrier in Learning Symbolic Computation: A Case Study on Variable Ordering Suggestion for Cylindrical Algebraic Decomposition

Symbolic computation, powered by modern computer algebra systems, has important applications in mathematical reasoning through exact deep computations. The efficiency of symbolic computation is largely constrained by such deep computations in high dimension. This creates a fundamental barrier on labelled data acquisition if leveraging...

💬 0 commentsarXiv:2601.13731v1PDF
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Posted in q-bio.PE · 2026-01-20 · Makoto Ueki, Robin N. Thompson, Murad Banaji

Outbreak dynamics and population vulnerability in stochastic epidemic models on networks

During infectious disease epidemics, pathogen transmission occurs in host populations made up of interacting subpopulations. Using stochastic simulation and analytical approximations, we examine how outbreak sizes in networked populations depend on network architecture, subpopulation sizes and the strength of coupling between...

💬 0 commentsarXiv:2601.13730v1PDF
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Posted in cs.CL · 2026-01-20 · Weichuan Wang, Mingyang Liu, Linqi Song, Chen Ma

On Temperature-Constrained Non-Deterministic Machine Translation: Potential and Evaluation

In recent years, the non-deterministic properties of language models have garnered considerable attention and have shown a significant influence on real-world applications. However, such properties remain under-explored in machine translation (MT), a complex, non-deterministic NLP task. In this study, we systematically evaluate modern...

💬 0 commentsarXiv:2601.13729v2PDF
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Posted in cs.LG · 2026-01-20 · YuanLab. ai, :, Shawn Wu, Jiangang Luo, Darcy Chen, Sean Wang, Louie Li, Allen Wang, Xudong Zhao, Tong Yu, Bach Li, Joseph Shen, Gawain Ma, Jasper Jia, Marcus Mao, Claire Wang, Hunter He, Carol Wang, Zera Zhang, Jason Wang, Chonly Shen, Leo Zhang, Logan Chen, Qasim Meng, James Gong, Daniel Zhao, Penn Zheng, Owen Zhu

Yuan3.0 Ultra: A Trillion-Parameter Enterprise-Oriented MoE LLM

We introduce Yuan3.0 Ultra, an open-source Mixture-of-Experts (MoE) large language model featuring 68.8B activated parameters and 1010B total parameters, specially designed to enhance performance on enterprise scenarios tasks while maintaining competitive capabilities on general purpose tasks. We propose Layer-Adaptive Expert Pruning...

💬 0 commentsarXiv:2601.14327v3PDF
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Posted in astro-ph.GA · 2026-01-20 · Renzhi Su, Stephen J. Curran, James R. Allison, Marcin Słowacki, Minfeng Gu, Vanessa Moss, Yongjun Chen, Zhongzu Wu, Zheng Zheng

A jet-gas interaction beyond the host galaxy: detection of a neutral hydrogen outflow at cosmic noon

We present upgraded Giant Metrewave Radio Telescope (uGMRT) observations of 0731+438, an \mbox{FR II} radio galaxy at a redshift of 2.429 with two lobes separated by 82 kpc. A blueshifted, faint and broad \mbox{H{\sc i}} 21 cm absorption line with velocity full width at half maximum (FWHM) $\sim 600\,\rm km\,s^{-1}$ is detected...

💬 0 commentsarXiv:2601.13728v2PDF
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Posted in cs.PL · 2026-01-20 · Bart Jacobs

Foundational VeriFast: Pragmatic Certification of Verification Tool Results through Hinted Mirroring

VeriFast is a leading tool for the modular formal verification of correctness properties of single-threaded and multi-threaded C and Rust programs. It verifies a program by symbolically executing each function in isolation, exploiting user-annotated preconditions, postconditions, and loop invariants written in a form of separation...

💬 0 commentsarXiv:2601.13727v1PDF
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Posted in math.NT · 2026-01-20 · Michael Björklund, Reynold Fregoli, Alexander Gorodnik

Central Limit Theorems in Multiplicative Diophantine Approximation

We investigate the number of integer solutions to a multiplicative Diophantine approximation problem and show that the associated counting function converges in distribution to a normal law. Our approach relies on the analysis of correlations of measures on homogeneous spaces, together with estimates for Siegel transforms restricted...

💬 0 commentsarXiv:2601.13726v1PDF
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Posted in cs.AI · 2026-01-20 · Jaeyoung Moon, Youjin Choi, Yucheon Park, David Melhart, Georgios N. Yannakakis, Kyung-Joong Kim

PREFAB: PREFerence-based Affective Modeling for Low-Budget Self-Annotation

Self-annotation is the gold standard for collecting affective state labels in affective computing. Existing methods typically rely on full annotation, requiring users to continuously label affective states across entire sessions. While this process yields fine-grained data, it is time-consuming, cognitively demanding, and prone to...

💬 0 commentsarXiv:2601.13904v2PDF
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Posted in cs.CR · 2026-01-20 · Awid Vaziry, Sandro Rodriguez Garzon, Christoph Wronka, Axel Küpper

Know Your Contract: eIDAS-Based Verifiable Legal Identities for Smart Contracts, Enabling Regulatory-Compliant On-Chain Operations

Public blockchains provide no native mechanism to verify the legal identity behind a deployed smart contract, which blocks institutional adoption and compliance with EU regulations such as MiCA and AMLR. We present KYC Seal, the first protocol that extends the EU eIDAS trust infrastructure to Ethereum smart contracts by...

💬 0 commentsarXiv:2601.13903v2PDF
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Posted in cond-mat.mtrl-sci · 2026-01-20 · Zichen Zhang, Zhiling Luo, Wang Gao, Qing Jiang

Determinants of Self-Interstitial Energetics in Refractory High-Entropy Alloys

Self-interstitials play a central role in governing the mechanical and anti-irradiation properties of refractory high-entropy alloys (RHEAs), however, the prediction of interstitial formation energies (Ef) is formidable due to the chemically complex environments in RHEAs. Herein, we develop a framework based on the tight-binding model...

💬 0 commentsarXiv:2601.13902v1PDF
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Posted in astro-ph.IM · 2026-01-20 · Fernando L. Ventura, Kshitij Thorat, Anna Bosman, Roger Deane, Christopher Cleghorn

Prospecting MeerKAT Continuum Data for Enigmatic Radio Sources with Unsupervised Vector-Quantised Variational Autoencoders

We present a novel application of Vector quantised variational autoencoders (VQ-VAEs) to deep 1.28 GHz radio continuum images taken from the MeerKAT Galaxy Cluster Legacy Survey (MGCLS).VQ-VAEs are deep learning models widely used in modern computer vision applications and pipelines. Designed for image generation, VQ-VAEs are trained...

💬 0 commentsarXiv:2601.13901v1PDF
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Posted in cs.DM · 2026-01-20 · Michal Parnas

Mathematical and computational perspectives on the Boolean and binary rank and their relation to the real rank

This survey provides a comprehensive overview of the study of the binary and Boolean rank from both a mathematical and a computational perspective, with particular emphasis on their relationship to the real rank. We review the basic definitions of these rank functions and present the main alternative formulations of the binary and...

💬 0 commentsarXiv:2601.13900v1PDF
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Posted in cs.CV · 2026-01-20 · Masoumeh Javanbakhat, Piotr Komorowski, Dilyara Bareeva, Wei-Chang Lai, Wojciech Samek, Christoph Lippert

Towards Visually Explaining Statistical Tests with Applications in Biomedical Imaging

Deep neural two-sample tests have recently shown strong power for detecting distributional differences between groups, yet their black-box nature limits interpretability and practical adoption in biomedical analysis. Moreover, most existing post-hoc explainability methods rely on class labels, making them unsuitable for label-free...

💬 0 commentsarXiv:2601.13899v2PDF
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Posted in cond-mat.mtrl-sci · 2026-01-20 · Mostafa Torkashvand, Saeedeh Sarabadani Tafreshi, Caterina Cocchi, Surender Kumar

Janus MoSSe/WSSe Heterobilayers as Selective Photocatalysts for Water Splitting

Identifying materials that simultaneously straddle the water redox potentials and possess an intrinsic electric field is crucial for achieving high solar-to-hydrogen (STH) efficiency. Using state-of-the-art first-principles calculations, including a range-separated hybrid functional and spin-orbit coupling, we investigate MoXY/WXY (X,...

💬 0 commentsarXiv:2601.13898v2PDF
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Posted in cs.LG · 2026-01-20 · Ankita Joshi, Ashutosh Sharma, Anoushkrit Goel, Ranjeet Ranjan Jha, Chirag Ahuja, Arnav Bhavsar, Aditya Nigam

TractRLFusion: A GPT-Based Multi-Critic Policy Fusion Framework for Fiber Tractography

Tractography plays a pivotal role in the non-invasive reconstruction of white matter fiber pathways, providing vital information on brain connectivity and supporting precise neurosurgical planning. Although traditional methods relied mainly on classical deterministic and probabilistic approaches, recent progress has benefited from...

💬 0 commentsarXiv:2601.13897v1PDF
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Posted in math.OC · 2026-01-20 · Ewa Rokita-Magdziarz, Barbara Gronostajska, Marcin Magdziarz

From geometry to sustainability: Optimal shapes of hip roof houses

In this paper, we develop a rigorous mathematical framework for the optimization of hip roof house geometry, with the primary goal of minimizing the external surface of the building envelope for a given set of design constraints. Five optimization scenarios are systematically analyzed: fixed volume, fixed footprint ratio, fixed...

💬 0 commentsarXiv:2601.13896v1PDF
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Posted in cs.CV · 2026-01-20 · Xu Zhang, Danyang Li, Yingjie Xia, Xiaohang Dong, Hualong Yu, Jianye Wang, Qicheng Li

OmniOVCD: Streamlining Open-Vocabulary Change Detection with SAM 3

Change Detection (CD) is a fundamental task in remote sensing. It monitors the evolution of land cover over time. Based on this, Open-Vocabulary Change Detection (OVCD) introduces a new requirement. It aims to reduce the reliance on predefined categories. Existing training-free OVCD methods mostly use CLIP to identify categories....

💬 0 commentsarXiv:2601.13895v2PDF
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Posted in cs.SE · 2026-01-20 · Alisa Welter, Christof Tinnes, Sven Apel

Multi-Location Software Model Completion

In model-driven engineering and beyond, software models are key development artifacts. In practice, they often grow to substantial size and complexity, undergoing thousands of modifications over time due to evolution, refactoring, and maintenance. The rise of AI has sparked interest in how software modeling activities can be...

💬 0 commentsarXiv:2601.13894v1PDF
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Posted in astro-ph.GA · 2026-01-20 · Anton Smirnov, Alexander Marchuk, Viktor Zozulia, Natalia Sotnikova, Sergey Savchenko

Boxy/Peanut Bulges: Comparative Analysis of EGIPS Galaxies and TNG50 Models

We investigated the properties of boxy/peanut-shaped (B/PS) bulges in a sample of 71 galaxies from the Edge-on Galaxies in the Pan-STARRS Survey (EGIPS) and 20 simulated galaxies from Illustris TNG50 using multicomponent photometric decomposition. For each real and simulated galaxy, we obtained a suitable photometric model in which...

💬 0 commentsarXiv:2601.13893v1PDF
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Posted in cs.LG · 2026-01-20 · Andrej Schwanke, Lyubomir Ivanov, David Salinas, Frank Hutter, Arber Zela

Multi-Objective Hierarchical Optimization with Large Language Models

Despite their widespread adoption in various domains, especially due to their powerful reasoning capabilities, Large Language Models (LLMs) are not the off-the-shelf choice to drive multi-objective optimization yet. Conventional strategies rank high in benchmarks due to their intrinsic capabilities to handle numerical inputs and...

💬 0 commentsarXiv:2601.13892v1PDF
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Posted in cs.LG · 2026-01-20 · Krishna Sharma, Vivek Yelleti

Log anomaly detection via Meta Learning and Prototypical Networks for Cross domain generalization

Log anomaly detection is essential for system reliability, but it is extremely challenging to do considering it involves class imbalance. Additionally, the models trained in one domain are not applicable to other domains, necessitating the need for cross-domain adaptation (such as HDFS and Linux). Traditional detection models often...

💬 0 commentsarXiv:2601.14336v1PDF
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Posted in physics.optics · 2026-01-20 · Xin Gui, Fanhao Zeng, Yunchuan Zhang, Yiming Wang, Jiaqi Wang, Changjia Wang, Xuelei Fu, Sheng Li, Fang Liu, Lina Yue, Jinpeng Jiang, Zhengying Li

Intelligent Distributed Optical Fiber Sensing in Transportation Infrastructures: Research Progress, Applications, and Challenges

Distributed optical fiber sensing (DOFS), along with its capabilities of long-range coverage, multi-parameter monitoring, and completely passive detection, emerges as one of the most promising non-destructive detection techniques for structural health monitoring (SHM) and operational assessment of linear transportation...

💬 0 commentsarXiv:2601.13891v1PDF