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arXiv preprints from January 1, 2026 through September 22, 2026 — 05:45:56 EST

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Posted in quant-ph · 2026-01-15 · Xiang Fang, Jixuan Ruan, Sharanya Prabhu, Ang Li, Travis Humble, Dean Tullsen, Yufei Ding

Bridging Superconducting and Neutral-Atom Platforms for Efficient Fault-Tolerant Quantum Architectures

The transition to the fault-tolerant era exposes the limitations of homogeneous quantum systems, where no single qubit modality simultaneously offers optimal operation speed, connectivity, and scalability. In this work, we propose a strategic approach to Heterogeneous Quantum Architectures (HQA) that synthesizes the distinct...

💬 0 commentsarXiv:2601.10144v1PDF
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Posted in cs.AI · 2026-01-15 · Haochong Xia, Yao Long Teng, Regan Tan, Molei Qin, Xinrun Wang, Bo An

History Is Not Enough: An Adaptive Dataflow System for Financial Time-Series Synthesis

In quantitative finance, the gap between training and real-world performance-driven by concept drift and distributional non-stationarity-remains a critical obstacle for building reliable data-driven systems. Models trained on static historical data often overfit, resulting in poor generalization in dynamic markets. The mantra "History...

💬 0 commentsarXiv:2601.10143v1PDF
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Posted in math.GM · 2026-01-15 · Kalpesh M. Popat, Irena M. Jovanovic

Some new results on the Seidel energy of graphs with self-loops

Harshitha et al. recently introduced Seidel energy of graphs with self loops. In this paper, we extend some of their results by giving a necessary and sufficient condition for the Seidel energy of a looped graph to be equal to the Seidel energy of its underlying graph. We also consider Seidel energy of the union of certain graphs, and...

💬 0 commentsarXiv:2601.22165v1PDF
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Posted in cs.CE · 2026-01-15 · Ruiran Su, Janet B. Pierrehumbert, Markus Leippold

Actors, Frames and Arguments: A Multi-Decade Computational Analysis of Climate Discourse in Financial News using Large Language Models

Financial news media shapes trillion-dollar climate investment decisions, yet discourse in this elite domain remains underexplored. We analyze two decades of climate-related articles (2000-2023) from Dow Jones Newswire using an Actor-Frame-Argument (AFA) pipeline that extracts who speaks, how issues are framed, and which arguments are...

💬 0 commentsarXiv:2601.10142v1PDF
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Posted in cs.LG · 2026-01-15 · Jiawen Zhang, Yangfan Hu, Kejia Chen, Lipeng He, Jiachen Ma, Jian Lou, Dan Li, Jian Liu, Xiaohu Yang, Ruoxi Jia

Understanding and Preserving Safety in Fine-Tuned LLMs

Fine-tuning is an essential and pervasive functionality for applying large language models (LLMs) to downstream tasks. However, it has the potential to substantially degrade safety alignment, e.g., by greatly increasing susceptibility to jailbreak attacks, even when the fine-tuning data is entirely harmless. Despite garnering growing...

💬 0 commentsarXiv:2601.10141v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-15 · Liam Howard-Fabretto, Timothy J. Gorey, Guangjing Li, Siriluck Tesana, Gregory F. Metha, Scott L. Anderson, Gunther G. Andersson

Density of States of Ru3 and Pt3 Clusters Supported on Sputter-Deposited TiO2

In this work, 3-atom clusters, Ru3 and Pt3, were deposited onto radio frequency RF-sputter deposited TiO2, treated with Ar+ ion sputtering. Ru3 was deposited by both solution submersion and chemical vapor deposition of Ru3(CO)12, while Pt3 was deposited under ultra-high vacuum using a laser vaporisation cluster source. The valence...

💬 0 commentsarXiv:2601.10140v1PDF
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Posted in physics.ins-det · 2026-01-15 · Rajiv Gupta, Sunidhi Saxena, Ajay Kumar

Effect of hole pitch reduction on electron transport and diffusion: A comparative simulation study of Triple GEM detectors

Advances in fabrication techniques and high-performance electronics have facilitated the development of fine-pitch Gas Electron Multipliers (GEMs). Earlier experimental and simulation findings suggest that these reduced-pitch GEMs can outperform the standard configuration in terms of effective gain, collection efficiency, and position...

💬 0 commentsarXiv:2601.10139v1PDF
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Posted in math.FA · 2026-01-15 · Tanusri Senapati

A new contraction principle on the perimeters of triangles and related results

In this article, we introduce a new type of mapping contracting perimeters of triangles in a complete metric space and present related fixed point theorem. We study the metric completeness property of the underlying space in terms of fixed point of our newly introduced mapping. In support of our result, we present several examples.

💬 0 commentsarXiv:2601.10138v1PDF
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Posted in cs.LG · 2026-01-15 · Ziyi Ding, Chenfei Ye-Hao, Zheyuan Wang, Xiao-Ping Zhang

Step-by-Step Causality: Transparent Causal Discovery with Multi-Agent Tree-Query and Adversarial Confidence Estimation

Causal discovery aims to recover ``what causes what'', but classical constraint-based methods (e.g., PC, FCI) suffer from error propagation, and recent LLM-based causal oracles often behave as opaque, confidence-free black boxes. This paper introduces Tree-Query, a tree-structured, multi-expert LLM framework that reduces pairwise...

💬 0 commentsarXiv:2601.10137v1PDF
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Posted in hep-ph · 2026-01-15 · Hidefumi Matsuda, Koichi Hattori, Koichi Murase

Physics-informed neural networks for angular-momentum conservation in computational relativistic spin hydrodynamics

Theoretical developments in relativistic spin hydrodynamics, which describes the macroscopic transport of spin angular momentum alongside other fundamental conserved quantities, have progressed rapidly since the experimental observation of the global spin polarization of $Λ$ hyperons in relativistic heavy-ion collision experiments....

💬 0 commentsarXiv:2601.10136v1PDF
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Posted in cs.IT · 2026-01-15 · Rajlaxmi Pandey, Shiven Bajpai, Anjana A Mahesh, B. Sundar Rajan

Function Correcting Codes for Maximally-Unbalanced Boolean Functions

Function-Correcting Codes (FCCs) enable reliable computation of a function of a $k$-bit message over noisy channels without requiring full message recovery. In this work, we study optimal single-error correcting FCCs (SEFCCs) for maximally-unbalanced Boolean functions, where $k$ denotes the message length and $t$ denotes the...

💬 0 commentsarXiv:2601.10135v1PDF
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Posted in physics.comp-ph · 2026-01-15 · Ming Liu, Yosuke Hasegawa

A volume penalization method for solving conjugate scalar transport with interfacial jump conditions

Conjugate scalar transport with interfacial jump conditions on complex interfacial geometries is common in thermal and chemical processes, while its accurate and efficient simulations are still quite challenging. In the present study, a novel treatment of a two-phase interface in the volume penalization method, a kind of immersed...

💬 0 commentsarXiv:2601.10134v1PDF
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Posted in math.ST · 2026-01-15 · Ruowei Li, Zhigang Yao

Curvature-driven manifold fitting under unbounded isotropic noise

Manifold fitting aims to reconstruct a low-dimensional manifold from high-dimensional data, whose framework is established by Fefferman et al. \cite{fefferman2020reconstruction,fefferman2021reconstruction}. This paper studies the recovery of a compact $C^3$ submanifold $\mathcal{M} \subset \mathbb{R}^D$ with dimension $d<D$ and...

💬 0 commentsarXiv:2601.10133v1PDF
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Posted in cs.AI · 2026-01-15 · Yanan Cao, Farnaz Fallahi, Murali Mohana Krishna Dandu, Lalitesh Morishetti, Kai Zhao, Luyi Ma, Sinduja Subramaniam, Jianpeng Xu, Evren Korpeoglu, Kaushiki Nag, Sushant Kumar, Kannan Achan

Is More Context Always Better? Examining LLM Reasoning Capability for Time Interval Prediction

Large Language Models (LLMs) have demonstrated impressive capabilities in reasoning and prediction across different domains. Yet, their ability to infer temporal regularities from structured behavioral data remains underexplored. This paper presents a systematic study investigating whether LLMs can predict time intervals between...

💬 0 commentsarXiv:2601.10132v2PDF
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Posted in cs.AI · 2026-01-15 · Yizhan Li, Florence Cloutier, Sifan Wu, Ali Parviz, Boris Knyazev, Yan Zhang, Glen Berseth, Bang Liu

M^4olGen: Multi-Agent, Multi-Stage Molecular Generation under Precise Multi-Property Constraints

Generating molecules that satisfy precise numeric constraints over multiple physicochemical properties is critical and challenging. Although large language models (LLMs) are expressive, they struggle with precise multi-objective control and numeric reasoning without external structure and feedback. We introduce \textbf{M olGen}, a...

💬 0 commentsarXiv:2601.10131v2PDF
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Posted in cs.DB · 2026-01-15 · Xiaolong Wan, Xixian Han

Redundancy-Driven Top-$k$ Functional Dependency Discovery

Functional dependencies (FDs) are basic constraints in relational databases and are used for many data management tasks. Most FD discovery algorithms find all valid dependencies, but this causes two problems. First, the computational cost is prohibitive: computational complexity grows quadratically with the number of tuples and...

💬 0 commentsarXiv:2601.10130v1PDF
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Posted in cs.CV · 2026-01-15 · Linquan Wu, Tianxiang Jiang, Yifei Dong, Haoyu Yang, Fengji Zhang, Shichaang Meng, Ai Xuan, Linqi Song, Jacky Keung

LaViT: Aligning Latent Visual Thoughts for Multi-modal Reasoning

Current multimodal latent reasoning often relies on external supervision (e.g., auxiliary images), ignoring intrinsic visual attention dynamics. In this work, we identify a critical Perception Gap in distillation: student models frequently mimic a teacher's textual output while attending to fundamentally divergent visual regions,...

💬 0 commentsarXiv:2601.10129v1PDF
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Posted in cs.CE · 2026-01-15 · Di Wang, Zhenhua Wu, Yu Liu, Kai Chang, Shaohua Wu

A Generalizable Framework for Building Executable Domain-Specific LLMs under Data Scarcity: Demonstration on Semiconductor TCAD Simulation

Scientific and engineering verticals often suffer from data scarcity and strict executability requirements: models must generate not only fluent text, but also syntactically valid, tool-compilable scripts. We present a schema-first alignment framework for building compact, executable domain-specific LLMs in low-resource settings. The...

💬 0 commentsarXiv:2601.10128v1PDF
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Posted in gr-qc · 2026-01-15 · Santosh V. Lohakare, S. K. Maurya, Aaisha Al Qassabi, B. Mishra

Hubble Tension and Dark Energy in Teleparallel Gauss-Bonnet Gravity: New Constraints from DESI BAO, Pantheon$^+$ and Hubble Data

We explore the cosmological dynamics of a teleparallel Gauss-Bonnet gravity model defined by the torsion scalar $T$ and the torsion-based Gauss-Bonnet invariant $T_{\mathcal{G}}$, deriving modified Friedmann equations for a flat FLRW Universe and corresponding linear scalar perturbation equations. Using a numerical approach, we solve...

💬 0 commentsarXiv:2601.10127v1PDF
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Posted in hep-ph · 2026-01-15 · Chong-long Xie, Guo-yun Shao, Ming-zheng-xuan Wu, Wei-bo He

Bulk viscosity of quark matter across the QCD phase transitions

Based on the kinetic theory with relaxation time approximation, we investigate the bulk viscosity ($ζ$) and its ratio to shear viscosity ($ζ/η$) of quark matter at finite temperature and chemical potential with the in-medium particle masses derived in the 2+1 flavor Polyakov-loop improved Nambu--Jona-Lasinio (PNJL) model. We explore...

💬 0 commentsarXiv:2601.10126v1PDF
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Posted in math.DG · 2026-01-15 · Yalin Sun, Cheng Xing, Ruiwei Xu

Calabi affine maximal surfaces and centroaffine Bernstein problems

Motivated by Calabi's calculation of the second variation sign for locally strongly convex affine maximal surfaces in equiaffine geometry, we first prove that every Calabi extremal surface is also maximal in the Calabi affine geometry. By employing suitably chosen orthonormal frame fields and analyzing the corresponding Codazzi...

💬 0 commentsarXiv:2601.10125v1PDF
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Posted in cs.CV · 2026-01-15 · Sicheng Yang, Zhaohu Xing, Lei Zhu

VQ-Seg: Vector-Quantized Token Perturbation for Semi-Supervised Medical Image Segmentation

Consistency learning with feature perturbation is a widely used strategy in semi-supervised medical image segmentation. However, many existing perturbation methods rely on dropout, and thus require a careful manual tuning of the dropout rate, which is a sensitive hyperparameter and often difficult to optimize and may lead to...

💬 0 commentsarXiv:2601.10124v1PDF
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Posted in cs.MA · 2026-01-15 · Aditi Anand, Dildar Ali, Suman Banerjee

Fairness Driven Multi-Agent Path Finding Problem

The Multi-Agent Path Finding (MAPF) problem aims at finding non-conflicting paths for multiple agents from their respective sources to destinations. This problem arises in multiple real-life situations, including robot motion planning and airspace assignment for unmanned aerial vehicle movement. The problem is computationally...

💬 0 commentsarXiv:2601.10123v1PDF
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Posted in cs.CL · 2026-01-15 · Ye Wang, Jiaxing Chen, Hongjiang Xiao

Role-Playing Agents Driven by Large Language Models: Current Status, Challenges, and Future Trends

In recent years, with the rapid advancement of large language models (LLMs), role-playing language agents (RPLAs) have emerged as a prominent research focus at the intersection of natural language processing (NLP) and human-computer interaction. This paper systematically reviews the current development and key technologies of RPLAs,...

💬 0 commentsarXiv:2601.10122v1PDF
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Posted in astro-ph.SR · 2026-01-15 · Junjie Wu, Ning-Chen Sun, Zexi Niu, Tianmang Zhang, Chun Chen, Xiaohan Chen, Nancy Elias-Rosa, Morgan Fraser, Xinyi Hong, Justyn Maund, Cesar Rojas-Bravo, Anyu Wang, Beichuan Wang, Ziyang Wang, Qiang Xi, Linxi Zhang, Yinuo Zhang

Direct Detection of Type II-P Supernova Progenitors with the Euclid and CSST Surveys

A central goal in supernova (SN) research is to identify and characterize their progenitors. However, this is very difficult due to the limited archival images with sufficient depth and spatial resolution required for direct progenitor detection and due to the circumstellar dust which often biases the estimate of their intrinsic...

💬 0 commentsarXiv:2601.10121v1PDF