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Mathematics Preprint PDF DOI

The $S$-$E$ route to the Chebyshev bounds for the prime-counting function

Kai Hubbard ยท 2026

We introduce the weighted prime sum $S(x) = \sum_{p \le x} \sqrt{(\log p)/p}$ and the derived quantity $E(x) = S(x)^2 - M(x)$, where $M(x) = \sum_{p \le x} (\log p)/p$. We prove that the order-of-magnโ€ฆ

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Mathematics Preprint PDF DOI

Koszul Duality for Quadratic Monomial Algebras

M. Bouhada ยท 2026

This paper provides a new class of examples for the Koszul dualities established in~\cite{5}. We study quadratic monomial algebras from the perspective of Koszul duality, with particular emphasis on fโ€ฆ

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Physics Preprint PDF DOI

A Poincar\'e-covariant study of strange quark stars

Hao-Ran Zhang, Bo-Lin Li, Zhu-Fang Cui ยท 2026

We investigate the properties of dense quark matter and strange quark stars within a nonperturbative, Poincar\'e-covariant framework. Employing a symmetry-preserving vector$\,\otimes\,$vector contact โ€ฆ

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AI & Data Science Preprint PDF DOI

AFMRL: Attribute-Enhanced Fine-Grained Multi-Modal Representation Learning in E-commerce

Biao Zhang, Lixin Chen, Bin Zhang, Zongwei Wang, Tong Liu, Bo Zheng ยท 2026

Multimodal representation is crucial for E-commerce tasks such as identical product retrieval. Large representation models (e.g., VLM2Vec) demonstrate strong multimodal understanding capabilities, yetโ€ฆ

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Physics Preprint PDF DOI

Wave-Appropriate Reconstruction of Compressible Multiphase and Multicomponent Flows: Fully Conservative and Semi-Conservative Eigenstructures

Amareshwara Sainadh Chamarthi ยท 2026

Compressible multiphase and multicomponent solvers require accurate interface representation without spurious pressure oscillations. At material interfaces, pressure and velocity are continuous while โ€ฆ

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Mathematics Preprint PDF DOI

On Uniqueness of Mock Theta Functions

Ovidiu Costin, Gerald V. Dunne, Ali Saraeb ยท 2026

We develop a resurgent approach to the problem of unique continuation of mock theta functions across their natural boundary. The starting point is the representation of the associated Mordell-Appell iโ€ฆ

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Engineering Preprint PDF DOI

Algebraic Diversity: Principles of a Group-Theoretic Approach to Signal Processing

Mitchell A. Thornton ยท 2026

We present principles of algebraic diversity (AD), a group-theoretic approach to signal processing exploiting signal symmetry to extract more information per observation, complementing classical methoโ€ฆ

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Physics Preprint PDF DOI

Two-Point Pad\'{e} Approximants for the Deflection of Light in the Schwarzschild Black Hole Metric

Don N. Page ยท 2026

The deflection angle of a light ray passing the Schwarzschild (spherically symmetric vacuum) black hole was calculated by Charles Galton Darwin in 1959 in terms of the elliptic integral of the first kโ€ฆ

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Mathematics Preprint PDF DOI

The Evans function as a lower bound on the spectral distance function

George Bayliss, Jared C. Bronski ยท 2026

The Evans function is an analytic function that encodes information about the intersection of certain subspaces in ODE boundary value problems. As such it is a useful tool for computing the spectrum oโ€ฆ

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Physics Preprint PDF DOI

Topological Edge States Emerging from Twisted Moir\'e Bands

Yasser Saleem, Pawe{l} Potasz, Anna Dyrda{l}, Bjorn Trauzettel, Ewelina M. Hankiewicz ยท 2026

We study twisted bilayer WSe$_2$ within a continuum moir\'e model and introduce a method for treating finite geometries directly in the continuum framework, overcoming limitations associated with momeโ€ฆ

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Physics Preprint PDF DOI

On non-relativistic integrable models and 4d SCFTs

Rotem Ben Zeev, Anirudh Deb, Hee-Cheol Kim, Shlomo S. Razamat ยท 2026

We elaborate on the relation between the generalized Schur index of $N=2$ SCFTs in four dimensions and the non-relativistic limit of the elliptic Ruijsenaars-Schneider model. In particular we discuss โ€ฆ

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Physics Preprint PDF DOI

Melting temperature shifts from quantum fluctuations in generalized Wigner crystals

Aman Kumar, Sogoud Sherif, Veit Elser, Hitesh J. Changlani ยท 2026

It is generally believed that quantum fluctuations collaborate with thermal fluctuations, effectively reducing transition temperatures (e.g. for melting of charge order). We show that this is not alwaโ€ฆ

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Earth & Environmental Sciences Preprint PDF DOI

Viscously Stirring Particle Disks into Lorentzians and Gaussians to Infer Dynamical and Collisional Masses (ARKS XIII)

Eugene Chiang, Tim D. Pearce, Marija R. Jankovic, Alexander Jeffrey Backues, Yinuo Han, Alexander V. Krivov, Margaret Pan, Brianna Zawadzki, A. Meredith Hughes, Krish Prakash Jhurani, Joshua B. Lovell, Sebastian Marino, Antranik A. Sefilian, David J. Wilner, Mark C. Wyatt, Sebastian Perez, Peter Abraham, Agnes Kospal, Patricia Luppe ยท 2026

Disks (Keplerian or otherwise, particulate or fluid) are often assumed to have densities that drop off vertically as Gaussians. Recent mm-wave imaging of circumstellar debris disks contradicts this asโ€ฆ

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AI & Data Science Preprint PDF DOI

Wan-Image: Pushing the Boundaries of Generative Visual Intelligence

Chaojie Mao, Chen-Wei Xie, Chongyang Zhong, Haoyou Deng, Jiaxing Zhao, Jie Xiao, Jinbo Xing, Jingfeng Zhang, Jingren Zhou, Jingyi Zhang, Jun Dan, Kai Zhu, Kang Zhao, Keyu Yan, Minghui Chen, Pandeng Li, Shuangle Chen, Tong Shen, Yu Liu, Yue Jiang, Yulin Pan, Yuxiang Tuo, Zeyinzi Jiang, Zhen Han, Ang Wang, Bang Zhang, Baole Ai, Bin Wen, Boang Feng, Feiwu Yu, Gang Wang, Haiming Zhao, He Kang, Jianjing Xiang, Jianyuan Zeng, Jinkai Wang, Junjie Zhou, Ke Sun, Linqian Wu, Pei Gong, Pingyu Wu, Ruiwen Wu, Tongtong Su, Wenmeng Zhou, Wenting Shen, Wenyuan Yu, Xianjun Xu, Xiaoming Huang, Xiejie Shen, Xin Xu, Yan Kou, Yangyu Lv, Yifan Zhai, Yitong Huang, Yun Zheng, Yuntao Hong, Zhe Zhang, Zhicheng Zhang ยท 2026

We present Wan-Image, a unified visual generation system explicitly engineered to paradigm-shift image generation models from casual synthesizers into professional-grade productivity tools. While contโ€ฆ

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Mathematics Preprint PDF DOI

Greedy Routing in a Sequentially Grown One-Dimensional Random Graph

Alexander Ponomarenko ยท 2026

We analyze greedy routing in a random graph G_n constructed on the vertex set V = {1, 2, ..., n} embedded in Z. Vertices are inserted according to a uniform random permutation pi, and each newly inserโ€ฆ

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Physics Preprint PDF DOI

Unitary Quadratic Quantum Gravity in 4D

K. Sravan Kumar, Joao Marto ยท 2026

In quadratic gravity, with a positive Weyl squared coefficient, the extra spin-2 sector is shown to correspond to a dual inverted harmonic oscillator, instead of a ghost. Using the Wightman spectrum cโ€ฆ

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Mathematics Preprint PDF DOI

Minimal time for null controllability of the parabolic spherical Baouendi-Grushin equation

Cyprien Tamekue ยท 2026

We study null controllability for the parabolic equation on $\mathbb{S}^{2}$ endowed with its canonical almost-Riemannian structure. For a spherical crown $\omega=\{\alpha<x_3<\beta\}$, where $0\le \aโ€ฆ

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Mathematics Preprint PDF DOI

Improving the Even-Size Threshold in Spectral Extrema for $H(4,3)$-Free Graphs

Shreyhaan Sarkar ยท 2026

For the fixed-size Brualdi--Hoffman--Turan problem forbidding the fish graph $H(4,3)$, Zheng and Zhang proved that every $H(4,3)$-free graph of even size $m \ge 38$ without isolated vertices satisfiesโ€ฆ

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AI & Data Science Preprint PDF DOI

CoInteract: Physically-Consistent Human-Object Interaction Video Synthesis via Spatially-Structured Co-Generation

Xiangyang Luo, Xiaozhe Xin, Tao Feng, Xu Guo, Meiguang Jin, Junfeng Ma ยท 2026

Synthesizing human--object interaction (HOI) videos has broad practical value in e-commerce, digital advertising, and virtual marketing. However, current diffusion models, despite their photorealisticโ€ฆ

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Engineering Preprint PDF DOI

Odour sensing in turbulent plumes with high-speed electronic nose and non-invasive ground truth

Nik Dennler, Elle Stark, Saimon Collaku, Lars Larson, Andre van Schaik, Michael Schmuker, John Crimaldi, Andreas T. Guntner, Aaron True ยท 2026

Chemical sensing in real-world environments requires resolving rapidly fluctuating and spatially heterogeneous concentration fields. However, these dynamics are strongly distorted by widely used, low-โ€ฆ

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