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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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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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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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Computer Science Preprint PDF DOI

Faster Approximate Linear Matroid Intersection

Tatsuya Terao · 2026

We consider a fast approximation algorithm for the linear matroid intersection problem. In this problem, we are given two $r \times n$ matrices $M_1$ and $M_2$, and the objective is to find a largest …

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Mathematics Preprint PDF DOI

On the (algebraic) notion of 2-ring

Josep Elgueta · 2026

By a 2-ring we mean a groupoid with a structure analogous to that of a ring, up to coherent isomorphisms. Two different notions of 2-ring appear in the literature: the notion of {\em Ann-category}, du…

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Computer Science Preprint PDF DOI

ReRec: Reasoning-Augmented LLM-based Recommendation Assistant via Reinforcement Fine-tuning

Jiani Huang, Shijie Wang, Liangbo Ning, Wenqi Fan, Qing Li · 2026

With the rise of LLMs, there is an increasing need for intelligent recommendation assistants that can handle complex queries and provide personalized, reasoning-driven recommendations. LLM-based recom…

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Computer Science Preprint PDF DOI

JU\'A -- A Benchmark for Information Retrieval in Brazilian Legal Text Collections

Jayr Pereira, Leandro Fernandes, Erick de Brito, Roberto Lotufo, Luiz Bonifacio · 2026

Legal information retrieval in Portuguese remains difficult to evaluate systematically because available datasets differ widely in document type, query style, and relevance definition. We present JU\'…

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Physics Preprint PDF DOI

Reply to "Comment on `Unified neutrino mixing and approximate $\mu-\tau$ reflection symmetry'[arXiv:2603.00885]''

Yuta Hyodo, Teruyuki Kitabayashi · 2026

Huang and Li [arXiv:2603.00885] have raised the following two points regarding our previous work [arXiv:2502.18029]:(1) The real-value conditions associated with $\mu$-$\tau$ reflection symmetry were …

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Physics Preprint PDF DOI

Ground states and droplet regimes of the extended Gross-Pitaevskii equation with Lee-Huang-Yang correction

Weijie Huang, Yang Liu, Xinran Ruan · 2026

We study the ground states of the extended Gross--Pitaevskii equation with the Lee--Huang--Yang correction from both theoretical and numerical perspectives. Starting from the three-dimensional model, …

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Mathematics Preprint PDF DOI

Modified scattering for the Vlasov-Riesz system with long-range interactions

Younghun Hong, Stephen Pankavich · 2026

We study the long-time asymptotic behavior of small-data solutions to the three-dimensional Vlasov--Riesz system with the inverse power-law potential $\lambda |x|^{-\alpha}$ in the strictly long-range…

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AI & Data Science Preprint PDF DOI

ATSS: Detecting AI-Generated Videos via Anomalous Temporal Self-Similarity

Hang Wang, Chao Shen, Lei Zhang, Zhi-Qi Cheng · 2026

AI-generated videos (AIGVs) have achieved unprecedented photorealism, posing severe threats to digital forensics. Existing AIGV detectors focus mainly on localized artifacts or short-term temporal inc…

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Physics Preprint PDF DOI

Ground-state solution of quantum droplets in Bose-Bose mixtures

Wei Liu, Limin Xu · 2026

In this paper, we present a systematic study on the ground state computation of quantum droplets in homonuclear Bose-Bose mixtures, governed by the extended Gross-Pitaevskii equations (eGPEs) with Lee…

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