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Physics Preprint PDF DOI

Order by disorder up to arbitrarily high temperature

Ravish Mehta · 2026

We prove that a class of classical lattice models on $\mathbb{Z}^d$ ($d \geq 2$) with on-site space $\mathbb{N}_0$ exhibits long-range checkerboard order at sufficiently high temperature. The model ha…

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Mathematics Preprint PDF DOI

Structural description of (bull, house)-free graphs

Manoj Belavadi, Chinh T. Hoang · 2026

The bull is a graph consisting of a triangle and two pendant edges. The P_5 is the chordless path on five vertices. The house is the complement of a P_5. A graph is k-critical if it is k-chromatic but…

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Mathematics Preprint PDF DOI

Property $R_\infty$ for generalized Higman groups

Ignat Soroko, Nicolas Vaskou · 2026

We give a unified proof of property $R_\infty$ for the Higman groups $H_n$ ($n\ge 4$) and for their generalizations studied by Martin and Horbez--Huang. As a key step, we prove that the automorphism g…

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Mathematics Preprint PDF DOI

Families of Unit Equations and Exponential Diophantine Problems via Integral Points

Julie Tzu-Yueh Wang, Zheng Xiao · 2026

This paper investigates the distribution of integral points on projective varieties via two distinct methods: the Ru-Vojta theorem and our higher-dimensional generalization of the Huang-Levin-Xiao ine…

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Mathematics Preprint PDF DOI

Separation profiles of free products

David Hume · 2026

We deduce from a theorem of Dvorak--Norin that the separation and treewidth profiles of graphs are asymptotically equivalent, resolving a question of Huang--Hume--Kelly--Lam. As an application, we cal…

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Mathematics Preprint PDF DOI

On the Cauchy problem for the multi-dimensional compressible Navier-Stokes-Korteweg system: Global strong solutions with arbitrarily large initial data

Xiangdi Huang, Muxi Lei, Huitao Zhou · 2026

Since the pioneering work of Korteweg (1901) and the subsequent refinement of capillary fluid models by Dunn and Serrin (1985), the global existence of strong solutions to the multi-dimensional compre…

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Computer Science Preprint PDF DOI

A Note on Interdiction of Linear Minimization Problems

Yu Cong, Kangyi Tian · 2026

Motivated by the FPTAS for connectivity interdiction of Huang et al. (IPCO'24), we isolate the part of the argument that does not use cuts. The setting is a minimization problem over a feasible-set fa…

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Physics Preprint PDF DOI

Scissors modes in generalized Gross-Pitaevskii equations

Neelam Shukla, Oleksandr V. Marchukov, Bastien Humbert, Jan Arlt, Jeremy Armstrong, Artem G. Volosniev · 2026

We investigate scissors modes in nonlinear systems with arbitrary power-law dependence of the nonlinear term. Through analytical derivation, we establish a general expression demonstrating that, in th…

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Neuroscience Preprint PDF DOI

Response time of lateral predictive coding and benefits of modular structures

Guanghui Cai, Zhen-Ye Huang, Weikang Wang, Hai-Jun Zhou · 2026

Lateral predictive coding (LPC) is a simple theoretical framework to appreciate feature detection in biological neural circuits. Recent theoretical work [Huang et al., Phys.Rev.E 112, 034304 (2025)] h…

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AI & Data Science Preprint PDF DOI

The signal is the ceiling: Measurement limits of LLM-predicted experience ratings from open-ended survey text

Andrew Hong, Jason Potteiger, Luis E. Zapata · 2026

An earlier paper (Hong, Potteiger, and Zapata 2026) established that an unoptimized GPT 4.1 prompt predicts fan-reported experience ratings within one point 67% of the time from open-ended survey text…

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AI & Data Science Preprint PDF DOI

TS-Attn: Temporal-wise Separable Attention for Multi-Event Video Generation

Hongyu Zhang, Yufan Deng, Zilin Pan, Peng-Tao Jiang, Bo Li, Qibin Hou, Zhiyang Dou, Zhen Dong, Daquan Zhou · 2026

Generating high-quality videos from complex temporal descriptions that contain multiple sequential actions is a key unsolved problem. Existing methods are constrained by an inherent trade-off: using m…

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Computer Science Preprint PDF DOI

Students Know AI Should Not Replace Thinking, but How Do They Regulate It? The TACO Framework for Human-AI Cognitive Partnership

Cecilia Ka Yuk Chan · 2026

As generative artificial intelligence becomes increasingly embedded in educational practice, a central concern is whether students use AI as cognitive support or as a substitute for thinking. Prior re…

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Physics Preprint PDF DOI

Binary Evolution Can Mimic the Pair-Instability Mass Gap in Black Hole Mergers

Aleksandra Olejak · 2026

The recent O4a release from the LIGO-Virgo-KAGRA collaboration, which significantly increased the number of gravitational-wave (GW) detections, reveals features with potentially important astrophysica…

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Mathematics Preprint PDF DOI

Chevalley property of module-finite Hopf algebras and discriminant ideals

Yimin Huang, Tiancheng Qi, Quanshui Wu, Ruipeng Zhu · 2026

In this paper, we study the Chevalley property of Cayley-Hamilton Hopf algebras in the sense of De Concini-Procesi-Reshetikhin-Rosso using discriminant ideals. For any affine Cayley-Hamilton Hopf alge…

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Computer Science Preprint PDF DOI

The Semi-Executable Stack: Agentic Software Engineering and the Expanding Scope of SE

Robert Feldt, Per Lenberg, Julian Frattini, Dhasarathy Parthasarathy · 2026

AI-based systems, currently driven largely by LLMs and tool-using agentic harnesses, are increasingly discussed as a possible threat to software engineering. Foundation models get stronger, agents can…

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AI & Data Science Preprint PDF DOI

MAny: Merge Anything for Multimodal Continual Instruction Tuning

Zijian Gao, Wangwang Jia, Xingxing Zhang, Pengfei Qian, Tao Sun, Bo Ding, Yong Dou, Huaimin Wang, Kele Xu · 2026

Multimodal Continual Instruction Tuning (MCIT) is essential for sequential task adaptation of Multimodal Large Language Models (MLLMs) but is severely restricted by catastrophic forgetting. While exis…

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AI & Data Science Preprint PDF DOI

Why MLLMs Struggle to Determine Object Orientations

Anju Gopinath, Nikhil Krishnaswamy, Bruce Draper · 2026

Multimodal Large Language Models (MLLMs) struggle with tasks that require reasoning about 2D object orientation in images, as documented in prior work. Tong et al. and Nichols et al. hypothesize that …

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Mathematics Preprint PDF DOI

The Huang Algebra Ideal and the Diagonal Shift Property

Darlayne Addabbo · 2026

Let $V$ be a grading-restricted vertex algebra and let $A^\infty(V)=U^\infty(V)/Q^\infty(V)$ be the associative algebra constructed by Huang, where $U^\infty(V)$ is the space of column-finite infinite…

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Chemistry Preprint PDF DOI

Perspective on a challenge: predicting the photochemistry of cyclobutanone

Jiri Janos, Nanna Holmgaard List, Andrew J. Orr-Ewing, Jiri Suchan, Mario Barbatti, Olivia Bennett, Marcus Brady, Javier Carmona-Garcia, Rachel Crespo-Otero, Julien Eng, O. Jonathan Fajen, Marco Garavelli, Sandra Gomez, Alice E. Green, Federico J. Hernandez, Daniel Hollas, Lewis Hutton, Lea M. Ibele, Adam Kirrander, Zhenggang Lan, Yorick Lassmann, Joseph E. Lawrence, Benjamin G. Levine, Dmitry V. Makhov, Jonathan R. Mannouch, Xincheng Miao, Roland Mitric, Shane M. Parker, Thomas J. Penfold, Jiawei Peng, Jeremy O. Richardson, Dmitrii Shalashilin, Petr Slavicek, K. Eryn Spinlove, Patricia Vindel-Zandbergen, Federica Agostini, Sara Bonella, Todd J. Martinez, Graham A. Worth, Basile F. E. Curchod · 2026

This Perspective is part of a Special Topic that explored the maturity of nonadiabatic molecular dynamics for predicting photochemical processes. In 2023, a prediction challenge was issued to the comm…

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AI & Data Science Preprint PDF DOI

Latent patterns of urban mixing in mobility analysis across five global cities

Z. Fan, B. P. Y. Loo, F. Duarte, C. Ratti, E. Moro · 2026

This study leverages large-scale travel surveys for over 200,000 residents across Boston, Chicago, Hong Kong, London, and Sao Paulo. With rich individual-level data, we make systematic comparisons and…

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