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Mathematics Preprint PDF DOI

How to Recognise Extension domains

Riddhi Mishra, Kaushik Mohanta ยท 2026

Let $\Omega \subset \mathbb{R}^n$ be a bounded domain and $1 < p < \infty$. We characterize $(1,p)$-extension domains in terms of inequalities of Bourgain--Brezis--Mironescu type. More precisely, we sโ€ฆ

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Computer Science Preprint PDF DOI

On the Minimum Distances of Some Families of BCH Codes

Yaqi Chen, Hao Chen, Cunsheng Ding, Huimin Lao ยท 2026

BCH codes form an important class of cyclic codes, which have applications in communication and data storage systems. Although the BCH bound provides a lower bound on the minimum distance of BCH codesโ€ฆ

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Physics Preprint PDF DOI

The Deep Newtonian Regime in Late-Time Blast Waves: Inevitable Transition and Distinct Flux Signatures

Sk. Minhajur Rahaman, Jonathan Granot, Paz Beniamini ยท 2026

In many astrophysical transients, outflows drive shocks into the ambient medium, accelerating electrons to non-thermal energy distributions that produce broadband synchrotron emission. At late times, โ€ฆ

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Computer Science Preprint PDF DOI

Beyond Static Collision Handling: Adaptive Semantic ID Learning for Multimodal Recommendation at Industrial Scale

Yongsen Pan, Yuxin Chen, Zheng Hu, Xu Yuan, Daoyuan Wang, Yuting Yin, Songhao Ni, Hongyang Wang, Jun Wang, Fuji Ren, Wenwu Ou ยท 2026

Modern recommendation systems involve massive catalogs of multimodal items, where scalable item identification must balance compactness, semantic fidelity, and downstream effectiveness. Semantic IDs (โ€ฆ

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Physics Preprint PDF DOI

Possible Evidence for Neutral Color-Singlet $q\bar q$ Quark Matter from High-Energy Pb-Emulsion Collisions

Cheuk-Yin Wong ยท 2026

The invariant mass spectrum of $e^+e^-$ pairs produced in high-energy Pb-emulsion collisions at 160 A GeV at CERN SPS exhibits a complex structure of many resonances resting on top of a broad enhancemโ€ฆ

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Physics Preprint PDF DOI

Mesoscopic Josephson effect in graphene disk at magnetic field

Adam Rycerz ยท 2026

Unlike for tunneling Josephson junctions, for which the current-phase relation is given by the sine function, with the critical current ($I_c$) and normal-state resistance ($R_N$) following the relatiโ€ฆ

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Physics Preprint PDF DOI

On bound state spectra of the one-electron diatomic ions

Alexei M. Frolov ยท 2026

The total energies of a large number of diatomic (or two-center) one-electron $A^{+} B^{+} e^{-}$ ions with unit electrical charges are determined numerically to high accuracy. Based on these results โ€ฆ

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Mathematics Preprint PDF DOI

Hybrid Conjecture in a Mixed Shimura variety

Rodolphe Richard, Andrei Yafaev ยท 2026

The authors previously formulated the hybrid conjecture, unifying Andr\'e-Pink-Zannier and Andr\'e-Oort conjectures, and proved it in Shimura varieties of abelian type. We study its analogue for mixedโ€ฆ

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Mathematics Preprint PDF DOI

Chains of model structures arising from cotorsion pairs on extriangulated categories

Dandan Sun, Xiaoyan Yang, Dongdong Zhang, Panyue Zhou, Haiyan Zhu ยท 2026

The main aim of this paper is to study chains of model structures arising from cotorsion pairs in extriangulated categories. Starting with a hereditary Hovey triple, we construct further hereditary Hoโ€ฆ

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Computer Science Preprint PDF DOI

A Note on Interdiction of Linear Minimization Problems

Yu Cong, Kangyi Tian ยท 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 faโ€ฆ

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AI & Data Science Preprint PDF DOI

EAD-Net: Emotion-Aware Talking Head Generation with Spatial Refinement and Temporal Coherence

Yahui Li, Yinfeng Yu, Liejun Wang, Shengjie Shen ยท 2026

Emotionally talking head video generation aims to generate expressive portrait videos with accurate lip synchronization and emotional facial expressions. Current methods rely on simple emotional labelโ€ฆ

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AI & Data Science Preprint PDF DOI

Hidden States Know Where Reasoning Diverges: Credit Assignment via Span-Level Wasserstein Distance

Xinzhu Chen, Wei He, Huichuan Fan, Wenzhe Niu, Zhongxiang Sun, Xuanru Wang, Jiuchong Gao, Jinghua Hao, Renqing He, Weijie Yu ยท 2026

Group Relative Policy Optimization (GRPO) performs coarse-grained credit assignment in reinforcement learning with verifiable rewards (RLVR) by assigning the same advantage to all tokens in a rollout.โ€ฆ

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Physics Preprint PDF DOI

Role of ultrafast electron-optical-phonon interactions in high harmonic generation from graphene

Adam Herling, Ofer Neufeld ยท 2026

High harmonic generation (HHG) is a widely explored process in solids, where intense lasers drive attosecond-to-femtosecond electron dynamics within bands, causing high-energy emission. While electronโ€ฆ

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Physics Preprint PDF DOI

Rogue-wave and lump patterns associated with the third Painlev\'{e} equation

Bo yang, Jianke Yang ยท 2026

We report rogue-wave and lump patterns associated with Umemura polynomials, which arise in rational solutions of the third Painlev\'{e} equation. We first show that in many integrable equations such aโ€ฆ

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Physics Preprint PDF DOI

Matched asymptotics of Rayleigh-wave fields near cuspidal ridges and gorges

Oleg Kiselev ยท 2026

We construct a local matched-asymptotic description of time-harmonic elastic fields generated by Rayleigh waves near cuspidal elements of a traction-free surface. The free surface is represented localโ€ฆ

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Physics Preprint PDF DOI

Comparative analysis of nonlinear elastic moduli of polystyrene, polycarbonate and PMMA

A.V. Belashov, A.A. Zhikhoreva, Y.M. Beltukov, I.V. Semenova ยท 2026

We present the comparative experimental analysis of frequency dependencies of linear (Lam\'e) and nonlinear (Murnaghan) elastic moduli of polystyrene, PMMA and polycarbonate. The measurement methodoloโ€ฆ

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Mathematics Preprint PDF DOI

Une curieuse \'egalit\'e entre deux sommes de produits de coefficients binomiaux

Flavien Mabilat ยท 2026

We will show in this text that, for all non-negative integers $n$ and $l$, the following equality is verified: \[\sum_{i=0}^{l} {n-i \choose i}{l+i \choose 2i+1}=\sum_{i=0}^{l} {n-i \choose i-1}{l+i \โ€ฆ

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AI & Data Science Preprint PDF DOI

h-MINT: Modeling Pocket-Ligand Binding with Hierarchical Molecular Interaction Network

Yanru Qu, Yijie Zhang, Wenjuan Tan, Xiangzhe Kong, Xiangxin Zhou, Chaoran Cheng, Mathieu Blanchette, Jiaxuan You, Ge Liu ยท 2026

Accurate molecular representations are critical for drug discovery, and a central challenge lies in capturing the chemical environment of molecular fragments, as key interactions, such as H-bond and {โ€ฆ

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Mathematics Preprint PDF DOI

High-Precision Framework for Expected Hitting Times Analysis in the Dice-Sum Process

Tipaluck Krityakierne, Thotsaporn Aek Thanatipanonda ยท 2026

We study the expected number of rolls required for the cumulative sum of a fair six-sided die to first enter a prescribed target set $H\subset\mathbb{Z}_{\ge0}$. A one-variable dynamic-programming forโ€ฆ

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Physics Preprint PDF DOI

On the Cancellation of Nuclear Effects in the Valence Region

S.A. Kulagin, R. Petti ยท 2026

Deep-inelastic $e/\mu$ scattering data off targets ranging from deuterium to lead indicate that the nuclear modifications to the structure functions of bound nucleons are minimal in the kinematic regiโ€ฆ

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