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arXiv preprints from January 1, 2026 through July 20, 2026 — 02:05:35 EST

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Posted in cs.AI · 2026-01-18 · Hui Yang, Jiaoyan Chen, Uli Sattler

Large Language Model for OWL Proofs

The ability of Large Language Models (LLMs) to perform reasoning tasks such as deduction has been widely investigated in recent years. Yet, their capacity to generate proofs-faithful, human-readable explanations of why conclusions follow-remains largely under explored. In this work, we study proof generation in the context of OWL...

💬 0 commentsarXiv:2601.12444v1PDF
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Posted in cs.CV · 2026-01-18 · Xiaowei Fu, Lei Zhang

Adversarial Defense in Vision-Language Models: An Overview

The widespread use of Vision Language Models (VLMs, e.g. CLIP) has raised concerns about their vulnerability to sophisticated and imperceptible adversarial attacks. These attacks could compromise model performance and system security in cross-modal tasks. To address this challenge, three main defense paradigms have been proposed:...

💬 0 commentsarXiv:2601.12443v1PDF
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Posted in cs.LG · 2026-01-18 · Shahnawaz Alam, Mohammed Mudassir Uddin, Mohammed Kaif Pasha

Constraint-Aware Neurosymbolic Uncertainty Quantification with Bayesian Deep Learning for Scientific Discovery

Scientific Artificial Intelligence (AI) applications require models that deliver trustworthy uncertainty estimates while respecting domain constraints. Existing uncertainty quantification methods lack mechanisms to incorporate symbolic scientific knowledge, while neurosymbolic approaches operate deterministically without principled...

💬 0 commentsarXiv:2601.12442v1PDF
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Posted in cs.CY · 2026-01-18 · Chuwen Zhang, Pengyi Shi, Amy Ward

The Dynamic and Endogenous Behavior of Re-Offense Risk: An Agent-Based Simulation Study of Treatment Allocation in Incarceration Diversion Programs

Incarceration-diversion treatment programs aim to improve societal reintegration and reduce recidivism, but limited capacity forces policymakers to make prioritization decisions that often rely on risk assessment tools. While predictive, these tools typically treat risk as a static, individual attribute, which overlooks how risk...

💬 0 commentsarXiv:2601.12441v2PDF
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Posted in math.DG · 2026-01-18 · Teng Huang, Pan Zhang

Schrödinger Operators, Integral Curvature, and the Euler Characteristic of Riemannian Manifolds

We establish new connections between integral curvature bounds and the Euler characteristic of closed Riemannian manifolds through the perspective of Schrödinger-type operators. Central to our approach is the twisted Dirac operator \(\mathcal{D}_θ\), whose index equals \(χ(M)\). Under integral smallness conditions on the negative part...

💬 0 commentsarXiv:2601.12440v1PDF
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Posted in gr-qc · 2026-01-18 · Yun Soo Myung

Charged qOS-extremal black hole and its scalarization by entropy function approach

We investigate scalarization of charged quantum Oppenheimer-Snyder extremal (cqOSe)-black hole in the Einstein-Gauss-Bonnet-scalar theory with a nonlinear electrodynamics term. This black hole is described by quantum parameter $α$ and magnetic charge $P$. It is equivalent to the qOS-extremal black hole whose action is still unknown...

💬 0 commentsarXiv:2601.12627v1PDF
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Posted in cs.CV · 2026-01-18 · Raphi Kang, Hongqiao Chen, Georgia Gkioxari, Pietro Perona

Linear Mechanisms for Spatiotemporal Reasoning in Vision Language Models

Spatio-temporal reasoning is a remarkable capability of Vision Language Models (VLMs), but the underlying mechanisms of such abilities remain largely opaque. We postulate that visual/geometrical and textual representations of spatial structure must be combined at some point in VLM computations. We search for such confluence, and ask...

💬 0 commentsarXiv:2601.12626v1PDF
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Posted in eess.SY · 2026-01-18 · Parisa Ansari Bonab, Elisabeth Andarge Gedefaw, Mohammad Khajenejad

Resilient Interval Observer-Based Control for Cooperative Adaptive Cruise Control under FDI Attack

Connectivity in connected and autonomous vehicles (CAVs) introduces vulnerability to cyber threats such as false data injection (FDI) attacks, which can compromise system reliability and safety. To ensure resilience, this paper proposes a control framework combining a nonlinear controller with an interval observer for robust state...

💬 0 commentsarXiv:2601.12625v1PDF
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Posted in cs.LG · 2026-01-18 · Shiqi Wang, Mahdi Khosravy, Neeraj Gupta, Olaf Witkowski

Towards Robust Universal Perturbation Attacks: A Float-Coded, Penalty-Driven Evolutionary Approach

Universal adversarial perturbations (UAPs) have garnered significant attention due to their ability to undermine deep neural networks across multiple inputs using a single noise pattern. Evolutionary algorithms offer a promising approach to generating such perturbations due to their ability to navigate non-convex, gradient-free...

💬 0 commentsarXiv:2601.12624v1PDF
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Posted in cond-mat.mtrl-sci · 2026-01-18 · Adrian Mena, Nicholas P. Sloane, Max R. Bonengel, Dane R. McCamey

Spatially-resolved coherence of organic molecular spins at room-temperature

Molecular spins are a versatile platform for quantum sensing. Not only are the spin-bearing molecules themselves widely tunable, they are also capable of being used as sensors as crystals, films and in solution. Using thin-films offers the advantages of high doping ratios and the ability to control the thickness with nanometre...

💬 0 commentsarXiv:2601.12623v1PDF
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Posted in physics.ins-det · 2026-01-18 · R. R. Marcelo Gregorio, F. Dastgiri, A. Basharina-Freshville, V. U. Bashu, A. Cottle, L. J. Bignell, C. Ghag, G. J. Lane, A. G. McLean, N. J. C. Spooner

Direct in-chamber radon-220 (thoron) emanation measurements for rare-event physics experiments

Measuring radon emanation from detector materials is a key method for controlling radon, a significant background in rare-event physics experiments. Methods for measuring radon emanation are well-established but have predominantly focused on the 222Rn isotope, the dominant radon isotope for these backgrounds. However, measurements of...

💬 0 commentsarXiv:2601.12622v2PDF
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Posted in cs.FL · 2026-01-18 · Radu Cosmin Dumitru, Ryo Yoshinaka, Ayumi Shinohara

Learning Deterministic Finite-State Machines from the Prefixes of a Single String is NP-Complete

It is well known that computing a minimum deterministic finite automaton consistent with a given set of positive and negative examples is NP-hard. Previous work has identified conditions on the input sample under which the problem becomes tractable or remains hard. In this paper, we study the computational complexity of the case where...

💬 0 commentsarXiv:2601.12621v2PDF
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Posted in quant-ph · 2026-01-18 · Antonio Guerra, Daniel Uzcategui-Contreras, Aldo Delgado, Esteban S. Gómez

Interpolation of unitaries with time-dependent Hamiltonians via Deep Learning

Quantum systems governed by time-dependent Hamiltonians pose significant challenges for the accurate computation of unitary time-evolution operators, which are essential for predicting quantum state dynamics. In this work, we introduce a physics-informed deep learning approach based on Physics-Informed Neural Networks to estimate...

💬 0 commentsarXiv:2601.12619v1PDF
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Posted in cs.CL · 2026-01-18 · Elham Tajik, Conrad Borchers, Bahar Shahrokhian, Sebastian Simon, Ali Keramati, Sonika Pal, Sreecharan Sankaranarayanan

Disagreement as Data: Reasoning Trace Analytics in Multi-Agent Systems

Learning analytics researchers often analyze qualitative student data such as coded annotations or interview transcripts to understand learning processes. With the rise of generative AI, fully automated and human-AI workflows have emerged as promising methods for analysis. However, methodological standards to guide such workflows...

💬 0 commentsarXiv:2601.12618v1PDF
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Posted in cs.HC · 2026-01-18 · Shuo Niu, Dylan Clements, Hyungsin Kim

Creating Disability Story Videos with Generative AI: Motivation, Expression, and Sharing

Generative AI (GenAI) is both promising and challenging in supporting people with disabilities (PwDs) in creating stories about disability. GenAI can reduce barriers to media production and inspire the creativity of PwDs, but it may also introduce biases and imperfections that hinder its adoption for personal expression. In this...

💬 0 commentsarXiv:2601.12617v1PDF
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Posted in eess.SY · 2026-01-18 · Johnathan Corbin, Sarah H. Q. Li, Jonathan Rogers

Allocating Corrective Control to Mitigate Multi-agent Safety Violations Under Private Preferences

We propose a novel framework that computes the corrective control efforts to ensure joint safety in multi-agent dynamical systems. This framework efficiently distributes the required corrective effort without revealing individual agents' private preferences. Our framework integrates high-order control barrier functions (HOCBFs), which...

💬 0 commentsarXiv:2601.12616v1PDF
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Posted in cond-mat.str-el · 2026-01-18 · Robert Prater, Mingkun Chen, Matthew Staab, Sudheer Sreedhar, Journey Byland, Zihao Shen, Sergey Y. Savrasov, Valentin Taufour, Vsevolod Ivanov, Inna Vishik

Measurements of electronic band structure in CeCoGe$_3$ by angle-resolved photoemission spectroscopy

We report a comprehensive study of the electronic structure of CeCoGe$_3$ throughout the entire Brillouin zone in the non-magnetic regime using angle-resolved photoemission spectroscopy (ARPES). The electronic structure agrees in large part with first principles calculations, including predicted topological nodal lines. Two new...

💬 0 commentsarXiv:2601.12615v1PDF
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Posted in physics.space-ph · 2026-01-18 · Daniel Holmberg, Ivan Zaitsev, Markku Alho, Ioanna Bouri, Fanni Franssila, Haewon Jeong, Minna Palmroth, Teemu Roos

Deterministic and probabilistic neural surrogates of global hybrid-Vlasov simulations

Hybrid-Vlasov simulations resolve ion-kinetic effects in the solar wind-magnetosphere interaction, but even 5D (2D + 3V) configurations are computationally expensive. We show that graph-based machine learning emulators can learn the spatiotemporal evolution of electromagnetic fields and lower order moments of ion velocity distribution...

💬 0 commentsarXiv:2601.12614v3PDF
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Posted in math.CO · 2026-01-18 · Nathan Lindzey

An Eventown Result for Permutations

A family of permutations $\mathcal{F} \subseteq S_n$ is even-cycle-intersecting if $σπ^{-1}$ has an even cycle for all $σ,π\in \mathcal{F}$. We show that if $\mathcal{F} \subseteq S_n$ is an even-cycle-intersecting family of permutations, then $|\mathcal{F}| \leq 2^{n-1}$, and that equality holds when $n$ is a power of 2 and...

💬 0 commentsarXiv:2601.12613v1PDF
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Posted in cs.LG · 2026-01-18 · Piyush Sao

What Trace Powers Reveal About Log-Determinants: Closed-Form Estimators, Certificates, and Failure Modes

Computing $\log\det(A)$ for large symmetric positive definite matrices arises in Gaussian process inference and Bayesian model comparison. Standard methods combine matrix-vector products with polynomial approximations. We study a different model: access to trace powers $p_k = \tr(A^k)$, natural when matrix powers are available. ...

💬 0 commentsarXiv:2601.12612v1PDF
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Posted in astro-ph.HE · 2026-01-18 · Xander J. Hall, Antonella Palmese, Segev BenZvi, John Banovetz, Brendan O'Connor, Lei Hu, Erica Hammerstein, Ariel Amsellem, Jessica Nicole Aguilar, Steven Ahlen, Steven Bailey, Davide Bianchi, David Brooks, Todd Claybaugh, Andrei Cuceu, Kyle Dawson, Axel de la Macorra, John Della Costa, Arjun Dey, Peter Doel, Simone Ferraro, Andreu Font-Ribera, Jaime E. Forero-Romero, Enrique Gaztanaga, Satya Gontcho A Gontcho, Alma Xochitl Gonzalez-Morales, Or Graur, Gaston Gutierrez, Mustapha Ishak, Jorge Jimenez, Dick Joyce, Stephanie Juneau, Anthony Kremin, Ofer Lahav, Claire Lamman, Martin Landriau, Laurent Le Guillou, Alexie Leauthaud, Michael Levi, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Adam Myers, Seshadri Nadathur, Will Percival, Claire Poppett, Ignasi Perez-Rafols, Francisco Prada, Graziano Rossi, Eusebio Sanchez, Edward Schlafly, David Schlegel, Michael Schubnell, David Sprayberry, Gregory Tarle, Benjamin Alan Weaver, Rongpu Zhou, Hu Zou

The DESI Transients Survey: Legacy Classifications and Methodology

We present the first systematic spectroscopic observations of extragalactic transients from the Dark Energy Spectroscopic Instrument (DESI), as part of the DESI Transients Survey program. With 5,000 fibers and an ${\sim} 8$ deg$^2$ field of view, we exploit DESI as a machine for the discovery and classification of transients. We...

💬 0 commentsarXiv:2601.12611v1PDF
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Posted in eess.SY · 2026-01-18 · Maxim Yudayev, Juha Carlon, Diwas Lamsal, Vayalet Stefanova, Benjamin Filtjens

HERMES: A Unified Open-Source Framework for Realtime Multimodal Physiological Sensing, Edge AI, and Intervention in Closed-Loop Smart Healthcare Applications

Intelligent assistive technologies are increasingly recognized as critical daily-use enablers for people with disabilities and age-related functional decline. Longitudinal studies, curation of quality datasets, live monitoring in activities of daily living, and intelligent intervention devices, share the largely unsolved need in...

💬 0 commentsarXiv:2601.12610v1PDF
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Posted in math.AP · 2026-01-18 · Alberto Domínguez Corella, Jorge Rivera-Noriega

A class of non-cylindrical domains for parabolic equations

We present a class of non-cylindrical domains where Dirichlet-type problems for parabolic equations, such as the heat equation, can be posed and solved. The regularity for the boundary of this class of domains is a mixed Lipschitz condition, as described in the bulk of the paper. The main tool is an adequate version of the implicit...

💬 0 commentsarXiv:2601.12609v1PDF
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Posted in cs.CL · 2026-01-18 · Nathan Mao, Varun Kaushik, Shreya Shivkumar, Parham Sharafoleslami, Kevin Zhu, Sunishchal Dev

Visualizing and Benchmarking LLM Factual Hallucination Tendencies via Internal State Analysis and Clustering

Large Language Models (LLMs) often hallucinate, generating nonsensical or false information that can be especially harmful in sensitive fields such as medicine or law. To study this phenomenon systematically, we introduce FalseCite, a curated dataset designed to capture and benchmark hallucinated responses induced by misleading or...

💬 0 commentsarXiv:2602.11167v1PDF