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arXiv preprints from January 1, 2026 through July 20, 2026 — 14:09:27 EST

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Posted in cs.CL · 2026-01-17 · Chaowei Zhang, Xiansheng Luo, Zewei Zhang, Yi Zhu, Jipeng Qiang, Longwei Wang

Acting Flatterers via LLMs Sycophancy: Combating Clickbait with LLMs Opposing-Stance Reasoning

The widespread proliferation of online content has intensified concerns about clickbait, deceptive or exaggerated headlines designed to attract attention. While Large Language Models (LLMs) offer a promising avenue for addressing this issue, their effectiveness is often hindered by Sycophancy, a tendency to produce reasoning that...

💬 0 commentsarXiv:2601.12019v1PDF
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Posted in physics.comp-ph · 2026-01-17 · R. G. M. Rodrigues

Padé Approximation and Partition Function Zeros

Fisher zeros play a central role in the theoretical understanding of phase transitions. However, their computation requires knowledge of the density of states, which limits their practical applicability. Alternative approaches based on the Energy Probability Distribution (EPD) and Moment Generating Function (MGF) alleviate the...

💬 0 commentsarXiv:2601.12018v2PDF
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Posted in math.QA · 2026-01-17 · Andrew R. Linshaw, Fei Qi

Deformation rigidity of some simple affine VOAs

In this paper, we prove that simple affine vertex operator algebras with positive integral levels admit only trivial first-order deformations. Therefore, the deformation rigidity conjecture of strongly rational vertex operator algebras holds for these cases. We also show that the same holds simple affine vertex operator algebra of...

💬 0 commentsarXiv:2601.12017v1PDF
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Posted in physics.plasm-ph · 2026-01-17 · Giorgio Daneri

GPU Acceleration and Portability of the TRIMEG Code for Gyrokinetic Plasma Simulations using OpenMP

The field of plasma physics heavily relies on simulations to model various phenomena, such as instabilities, turbulence, and nonlinear behaviors that would otherwise be difficult to study from a purely theoretical approach. Simulations are fundamental in accurately setting up experiments, which can be extremely costly and complex. As...

💬 0 commentsarXiv:2601.14301v1PDF
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Posted in math.AC · 2026-01-17 · Dmitry Badulin

Structure of ind-pro completions of Noetherian rings

We prove some results on the structure of ind-pro completions of Noetherian rings along flags of prime ideals. In particular, we compute the Krull dimension and deduce the criterion on semilocality in the case of essentially of finite type algebras over a field. We also show that ind-pro completion inherits properties of the base ring...

💬 0 commentsarXiv:2601.12016v3PDF
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Posted in cs.CV · 2026-01-17 · Pavan Kumar Yata, Pediredla Pradeep, Goli Himanish, Swathi M

SAR-Based Marine Oil Spill Detection Using the DeepSegFusion Architecture

Detection of oil spills from satellite images is essential for both environmental surveillance and maritime safety. Traditional threshold-based methods frequently encounter performance degradation due to very high false alarm rates caused by look-alike phenomena such as wind slicks and ship wakes. Here, a hybrid deep learning model,...

💬 0 commentsarXiv:2601.12015v1PDF
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Posted in cs.AI · 2026-01-17 · Elio Masciari, Vincenzo Moscato, Enea Vincenzo Napolitano, Gian Marco Orlando, Marco Perillo, Diego Russo

Are LLMs Ready for TOON? Benchmarking Structural Correctness-Sustainability Trade-offs in Novel Structured Output Formats

Large Language Models (LLMs) are increasingly required to generate structured, machine-readable outputs for downstream systems. While recent benchmarks have focused on evaluating the structural correctness of such outputs, the environmental impact of inference for different output formats has largely been overlooked. In this paper, we...

💬 0 commentsarXiv:2601.12014v1PDF
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Posted in gr-qc · 2026-01-17 · Hollis Williams

Evolution of Hawking mass under perturbative spacetime uniformly expanding flows

We present a numerical investigation of the evolution of the Hawking mass for perturbed surfaces evolving under hypersurface-restricted uniformly expanding flows in Minkowski spacetime. Although monotonicity of the Hawking mass under inverse mean curvature flow is well understood, much less is known about the behaviour of such flows...

💬 0 commentsarXiv:2601.12013v2PDF
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Posted in cs.RO · 2026-01-17 · Zhaoyang Jacopo Hu, Alex Ranne, Alaa Eldin Abdelaal, Kiran Bhattacharyya, Etienne Burdet, Allison M. Okamura, Ferdinando Rodriguez y Baena

Model selection and real-time skill assessment for suturing in robotic surgery

Automated feedback systems have the potential to provide objective skill assessment for training and evaluation in robot-assisted surgery. In this study, we examine methods to achieve real-time prediction of surgical skill level in real-time based on Objective Structured Assessment of Technical Skills (OSATS) scores. Using data...

💬 0 commentsarXiv:2601.12012v1PDF
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Posted in cs.LG · 2026-01-17 · Yize Zhao, Christos Thrampoulidis

Why Loss Re-weighting Works If You Stop Early: Training Dynamics of Unconstrained Features

The application of loss reweighting in modern deep learning presents a nuanced picture. While it fails to alter the terminal learning phase in overparameterized deep neural networks (DNNs) trained on high-dimensional datasets, empirical evidence consistently shows it offers significant benefits early in training. To transparently...

💬 0 commentsarXiv:2601.12011v1PDF
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Posted in cs.CV · 2026-01-17 · Yifei Chen, Ross Greer

SMc2f: Robust Scenario Mining for Robotic Autonomy from Coarse to Fine

The safety validation of autonomous robotic vehicles hinges on systematically testing their planning and control stacks against rare, safety-critical scenarios. Mining these long-tail events from massive real-world driving logs is therefore a critical step in the robotic development lifecycle. The goal of the Scenario Mining task is...

💬 0 commentsarXiv:2601.12010v1PDF
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Posted in physics.ins-det · 2026-01-17 · W. Dong, V. Manea, R. Ferrer, S. Franchoo, S. Geldhof, F. Ivandikov, N. Lecesne, D. Lunney, V. Marchand, E. Minaya Ramirez, E. Morin, S. Raeder

A prototype gas cell for the stopping, extraction and neutralization of radioactive nuclei from the SPIRAL2 Super Separator Spectrometer (S$^3$)

We present the design and simulation of a prototype gas cell for in-gas-jet laser-ionization and spectroscopy studies using the low energy branch of the SPIRAL2-S$^3$ radioactive-ion-beam facility. The prototype aims to demonstrate the possibility to reduce the extraction time of radioactive ions from the gas cell, while implementing...

💬 0 commentsarXiv:2601.12009v1PDF
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Posted in math.PR · 2026-01-17 · Bihan Chatterjee, Siva Theja Maguluri, Debankur Mukherjee

Higher-Order Approximations of Sojourn Times in M/G/1 Queues via Stein's Method

We study the stationary sojourn time distribution in an M/G/1 queue operating under heavy traffic. It is known that the sojourn time converges to an exponential distribution in the limit. Our focus is on obtaining pre-asymptotic, higher-order approximations that go beyond the classical exponential limit. Using Stein's method, we...

💬 0 commentsarXiv:2601.12197v1PDF
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Posted in cs.MS · 2026-01-17 · Gnankan Landry Regis N'guessan

PALMA: A Lightweight Tropical Algebra Library for ARM-Based Embedded Systems

Tropical algebra, including max-plus, min-plus, and related idempotent semirings, provides a unifying framework in which many optimization problems that are nonlinear in classical algebra become linear. This property makes tropical methods particularly well suited for shortest paths, scheduling, throughput analysis, and discrete event...

💬 0 commentsarXiv:2601.17028v1PDF
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Posted in cs.NI · 2026-01-17 · Guillermo Baltra, Tarang Saluja, Yuri Pradkin, John Heidemann

Understanding Partial Reachability in the Internet Core

Routing strives to connect all the Internet, but compete: political pressure threatens routing fragmentation; architectural changes such as private clouds, carrier-grade NAT, and firewalls make connectivity conditional; and commercial disputes create partial reachability for days or years. This paper suggests *persistent, partial...

💬 0 commentsarXiv:2601.12196v2PDF
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Posted in math.CO · 2026-01-17 · Nathaniel Gallup, Leo Gray

Bruhat Intervals in the Infinite Symmetric Group are Cohen-Macaulay

We show that the (non-Noetherian) Stanley-Reisner ring of the order complex of certain intervals in the Bruhat order on the infinite symmetric group $S_\infty$ of all auto-bijections of $\mathbb{N}$ is Cohen-Macaulay in the sense of ideals and weak Bourbaki unmixed. This gives an infinite-dimensional version of results due to Edelman,...

💬 0 commentsarXiv:2601.12195v1PDF
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Posted in cs.IT · 2026-01-17 · Sebastian Pardo-Guerra, Megan Simons, Anil Thapa, Jonathan Washburn

Coherent Comparison as Information Cost: A Cost-First Ledger Framework for Discrete Dynamics

We develop an information-theoretic framework for discrete dynamics grounded in a comparison-cost functional on ratios. Given two quantities compared via their ratio \(x=a/b\), we assign a cost \(F(x)\) measuring deviation from equilibrium (\(x=1\)). Requiring coherent composition under multiplicative chaining imposes a d'Alembert...

💬 0 commentsarXiv:2601.12194v1PDF
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Posted in cs.CV · 2026-01-17 · Shaunak Halbe, Bhagyashree Puranik, Jayakrishnan Unnikrishnan, Kushan Thakkar, Vimal Bhat, Toufiq Parag

VeRVE: Versatile Retrieval for Videos via Unified Embeddings

Modern video retrieval systems are expected to handle diverse tasks ranging from corpus-level retrieval, fine-grained moment localization to flexible multimodal querying. Specialized architectures achieve strong retrieval performance by training modality-specific encoders on massive datasets, but they lack the ability to process...

💬 0 commentsarXiv:2601.12193v3PDF
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Posted in physics.comp-ph · 2026-01-17 · Thomas D. Kühne

Best practices for second-generation Car-Parrinello ab initio molecular dynamics with CP2K/Quickstep

Second-generation Car--Parrinello \textit{ab initio} molecular dynamics (CP2G AIMD) combines a Born--Oppenheimer-like nuclear equation of motion with a predictor-corrector propagation of the one-particle density matrix and a modified Langevin equation to ensure an accurate sampling of the Boltzmann distribution. In the CP2K...

💬 0 commentsarXiv:2601.12191v2PDF
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Posted in math.OC · 2026-01-17 · Luis Briceño-Arias, Fernando Roldán

Optimal Leveraging of Smoothness and Strong Convexity for Peaceman--Rachford Splitting

In this paper, we introduce a simple methodology to leverage strong convexity and smoothness in order to obtain an optimal linear convergence rate for the Peaceman--Rachford splitting (PRS) scheme applied to optimization problems involving two smooth strongly convex functions. The approach consists of adding and subtracting suitable...

💬 0 commentsarXiv:2601.12190v1PDF
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Posted in hep-lat · 2026-01-17 · Xiangdong Ji, Yizhuang Liu, Yushan Su

Asymptotic Long-Distance Expansion of Euclidean Correlators in Lattice Parton Applications

Bilinear Euclidean quark and gluon correlators with Wilson links have been used widely for applications of large-momentum effective field theories to computing non-perturbative collinear and soft parton physics. Due to color confinement, these correlators decay exponentially at large spatial distances, a behavior crucial for computing...

💬 0 commentsarXiv:2601.12189v1PDF
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Posted in physics.chem-ph · 2026-01-17 · Aditi Singh, Subrata Jana, Szymon Śmiga

Accurate starting points for one-shot $G_0W_0$ and Bethe-Salpeter Equation calculations via effective tuning of range-separated hybrid functionals

The accuracy of one-shot $G_0W_0$ and Bethe-Salpeter equation (BSE) calculations depends strongly on the underlying starting-point eigensystem, which is commonly obtained from a mean-field density-functional approximation. Range-separated hybrid (RSH) functionals provide a particularly effective starting point, however, conventional...

💬 0 commentsarXiv:2601.12188v2PDF
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Posted in math.GN · 2026-01-17 · Rafał Filipów, Adam Kwela, Paolo Leonetti

Sets of Ramsey-limit points and IP-limit points

Let $X$ be an uncountable Polish space and let $\mathcal{H}$ be the Hindman ideal, that is, the family of all $S\subseteq ω$ which are not $IP$-sets. For each sequence $x=(x_n)_{n \in ω}$ taking values in $X$, let $Λ_{x}(FS)$ be the set of $IP$-limit points of $x$. Also, let $Λ_{x}(\mathcal{H})$ be the set of $\mathcal{H}$-limit...

💬 0 commentsarXiv:2601.12187v1PDF
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Posted in cs.SE · 2026-01-17 · Vatsal Venkatkrishna, Indraneil Paul, Iryna Gurevych

Aletheia: What Makes RLVR For Code Verifiers Tick?

Multi-domain thinking verifiers trained via Reinforcement Learning with Verifiable Rewards (RLVR) are a cornerstone of modern post-training. However, their adoption in code generation has lagged behind that of execution feedback due to the prohibitive costs of the full RLVR pipeline. In this work, we ablate three primary choices along...

💬 0 commentsarXiv:2601.12186v3PDF