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Physics Preprint PDF DOI

Flow-history-dependent orientational relaxation in dilute polydisperse colloidal rod suspensions

Yuto Yokoyama, Vincenzo Calabrese, Fabian Hillebrand, Henry J. London, Simon J. Haward, Amy Q. Shen ยท 2026

Orientation and relaxation dynamics of rod-like colloids under flow govern the optical and mechanical properties of many emerging soft materials. In polydisperse suspensions, particles of different leโ€ฆ

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Mathematics Preprint PDF DOI

E-values and sequential power-one tests for monotonicity and unimodality

Hongjian Wang, Aaditya Ramdas ยท 2026

We develop e-values and e-processes testing the null hypothesis that a distribution over nonnegative integers is monotone, and that a distribution over integers is unimodal given a certain mode. Our eโ€ฆ

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Mathematics Preprint PDF DOI

Geometric properties of Euclidean domains supporting trace inequalities

Weicong Su, Zhuang Wang, Yi Ru-Ya Zhang ยท 2026

We investigate the geometric behavior of $\tau(E)$ for bounded finite-perimeter sets $E \subset \mathbb R^n$, where $\tau(E)$ is the trace constant introduced by Figalli--Maggi--Pratelli [Invent. Mathโ€ฆ

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Mathematics Preprint PDF DOI

Enumeration of skew morphisms of cyclic $2$-groups

Martin Bachraty ยท 2026

A skew morphism of a finite group $B$ is a permutation of $B$ fixing the identity and satisfying $\varphi(xy) = \varphi(x)\varphi^{i_x}(y)$ for some integers $i_x$ indexed by $x \in B$. The enumeratioโ€ฆ

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Mathematics Preprint PDF DOI

A resolution of Erd\H{o}s Problem #190 via Erd\H{o}s-Lov\'asz, BCT, and Baker-Harman-Pintz

Ji Ho Bae ยท 2026

Let H(k) be the smallest N such that every finite coloring of [N] contains a monochromatic or rainbow k-term arithmetic progression. Erd\H{o}s and Graham asked whether $H(k)^{1/k}/k \to \infty$ (Problโ€ฆ

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Mathematics Preprint PDF DOI

Periodic homogenization of convolution type operators with irregular L\'{e}vy type tails

Xiaofeng Jin, Wentao Huo, Lingwei Ma, Zhenqiu Zhang ยท 2026

We establish the homogenization results for a class of nonlocal operators of convolution type with integrable jumping kernel $p$ multiplied by rapidly oscillating periodic or locally periodic coefficiโ€ฆ

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Physics Preprint PDF DOI

The Tentacles Landscape

Pablo Groisman ยท 2026

Zhang and Strogatz [Phys. Rev. Lett. 127, 194101 (2021)] used high-dimensional simulations to argue that basins of attraction in the Kuramoto ring are octopus-like: their volume scales as $e^{-kq^2}$ โ€ฆ

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Physics Preprint PDF DOI

Using Graph Neural Networks for hadronic clustering and to reduce beam background in the Belle~II electromagnetic calorimeter

Jonas Eppelt, Torben Ferber ยท 2026

The Belle~II electromagnetic calorimeter consists of 8376 CsI(Tl) scintillation crystals and is not only used for measuring electromagnetic particles but also for identifying and determining the positโ€ฆ

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Mathematics Preprint PDF DOI

An unusual example of a universal automorphism group

Rob Sullivan, Jeroen Winkel ยท 2026

Let $M$ be a Fra\"{i}ss\'{e} structure (a countably infinite ultrahomogeneous structure). We refer to the class of structures embeddable in $M$ as the $\omega$-age of $M$. We consider the following twโ€ฆ

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Physics Preprint PDF DOI

Superintegrable 2D systems in magnetic fields with a parabolic type integral

Tatiana Ekelchik, Antonella Marchesiello ยท 2026

We consider the problem on the existence of two dimensional superintegrable systems in the presence of a magnetic field in the two dimensional Euclidean space. We assume the existence of two integralsโ€ฆ

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Physics Preprint PDF DOI

Second-order topology in two-dimensional azulenoid kekulene carbon lattices

Xiaorong Zou, Hyeon Suk Shin, Chang-Jong Kang, Baibiao Huang, Yanmei Zang, Ying Dai, Chengwang Niu, Chang Woo Myung ยท 2026

The discovery of higher-order topological insulator (HOTI) has established a new paradigm for understanding symmetry-constrained boundary electronic states. Here, based on first-principles calculationโ€ฆ

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Physics Preprint PDF DOI

Prospects of boosted magnetic dipole inelastic fermion dark matter at ILC-BDX

I. V. Voronchikhin, D. V. Kirpichnikov ยท 2026

In this work, we investigate the projected sensitivity of the Beam-Dump eXperiment at the International Linear Collider (ILC-BDX) to inelastic fermionic dark matter coupled to the Standard Model photoโ€ฆ

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Physics Preprint PDF DOI

Direct construction of scalar quantum fields by L{\'e}vy fields -- nontrivial exact Wightman fields in a wider field with a relaxed G{\aa}rding-Wightman Axioms-

Sergio Albeverio, Suji Kawasaki, Yumi Yahagi, Minoru W. Yoshida ยท 2026

This paper introduces partial results, in the current situation, of ongoing considerations corresponding to the above title. A construction on exact relativistic quantum field model with the space timโ€ฆ

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Physics Preprint PDF DOI

The core of the problem: Physical limits of the core-S\'ersic model

Maarten Baes (UGent) ยท 2026

The core-S\'ersic model is the standard tool for describing partially depleted stellar cores in massive early-type galaxies, yet its physical admissibility has rarely been examined. Using numerical deโ€ฆ

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Mathematics Preprint PDF DOI

On the singularities of differential equations satisfied by $E$-functions

Stephane Fischler (LMO), Tanguy Rivoal (IF) ยท 2026

Let $\xi$ be a value, at an algebraic point, of a Siegel $E$-function. As a special case of a very general interpolation result, we prove that there exists an $E$-function $f$ such that $f(1)=\xi$, anโ€ฆ

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AI & Data Science Preprint PDF DOI

Time-dependent structural equation modeling of fans' football fever using activity tracking data during the 2025 DFB Cup final

Jonas Bauer, Christiane Fuchs, Tamara Schamberger ยท 2026

Football fans frequently exhibit pronounced emotional and physiological reactions during high-stakes matches. However, the temporal dynamics of this football fever are rarely modeled as a latent proceโ€ฆ

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Physics Preprint PDF DOI

Domain-Wall-Mediated Ultralow-Barrier Sliding and Pinning in Ferroelectric Moir\'e Superlattices Revealed by Machine Learning

Jia-Wen Li, Sheng Meng, Xinghua Shi, Jin Zhang, Wei-Hai Fang ยท 2026

Sliding ferroelectrics built from stacked nonpolar monolayers enable out-of-plane polarization and unconventional switching via interlayer sliding, yet the microscopic sliding dynamics remain unclear.โ€ฆ

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Physics Preprint PDF DOI

Measuring Tianlai's primary beam using sky model

Yunbo Geng, Furen Deng, Jixia Li, Shifan Zuo, Shijie Sun, Yichao Li, Fengquan Wu, Yougang Wang, Xuelei Chen ยท 2026

We present the beam pattern measurement of the Tianlai Cylinder Pathfinder Array. As it is a pure drift-scan instrument, we exploit the North-South motion of the Sun to demonstrate that the primary beโ€ฆ

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Physics Preprint PDF DOI

Intrinsic Magnetoelectric Hall Effect from Layer-Orbital Quantum Geometry

Sunit Das, Amit Agarwal ยท 2026

Intrinsic Hall effects, such as the anomalous Hall effect, originate from the orbital quantum geometry of Bloch states. However, in layered materials, the combined action of out-of-plane electric and โ€ฆ

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Physics Preprint PDF DOI

When Does Leptogenesis Survive Lepton Flavor Violation Constraints? High- and Low-Scale Realizations in the Scotogenic Model

Avinanda Chaudhuri ยท 2026

We investigate the interplay between lepton flavor violation (LFV) and leptogenesis in the minimal scotogenic model, comparing high-scale hierarchical leptogenesis and low-scale resonant leptogenesis โ€ฆ

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