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Mathematics Preprint PDF DOI

Nonexistence of Henkin type projections via a Wiener theorem for multipliers

Eduard Curca, Micha{l} Wojciechowski ยท 2026

Let $d\geq 2$, $l\geq 0$ and suppose $X$ is one of the function spaces $W^{l,1}(\mathbb{T}^{d})$, $W^{l,\infty }(\mathbb{T}^{d})$ or $C^{l}(\mathbb{T}^{d})$. We extend a result of Henkin (1967), showiโ€ฆ

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AI & Data Science Preprint PDF DOI

Liquid Neural Network Models for Natural Gas Spot Price Time-Series Forecasting

Yiqian Liu, Jiayi Niu, Adam Kelleher, Subhabrata Das ยท 2026

Natural gas is undoubtedly an essential component of the global energy system. Accurate short-term forecasting of natural gas price is challenging due to pronounced volatility driven by seasonal demanโ€ฆ

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Physics Preprint PDF DOI

Comments on "Ether of Orbifolds"

Masanori Hanada ยท 2026

We comment on a recent manuscript "Ether of Orbifolds" by Henry Lamm. In the first version, it was mistakenly claimed that the orbifold lattice Hamiltonian is not gauge invariant, and a quantity $\epsโ€ฆ

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Mathematics Preprint PDF DOI

Stochastic fractional heat equation with general rough noise

Bin Qian, Ran Wang ยท 2026

Consider the following nonlinear one-dimensional stochastic fractional heat equation $$\frac{\partial }{\partial t}u(t, x)= -(-\Delta)^{\alpha/2}u(t, x) +\sigma(t,x,u(t,x)) \dot{W}(t, x), $$ where $โ€ฆ

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Physics Preprint PDF DOI

Linear odd electrophoresis of a sphere in a charged chiral active fluid

Reinier van Buel, Bogdan Cichocki, Jeffrey C. Everts ยท 2026

The electrophoresis of charged colloidal particles in fluids exhibiting odd viscosity represents a fundamental challenge in understanding transport phenomena within charge-stabilized chiral active susโ€ฆ

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Mathematics Preprint PDF DOI

The prime decomposition fibre sequence for moduli spaces of reducible 3-manifolds

Rachael Boyd, Corey Bregman, Jan Steinebrunner ยท 2026

We study the moduli space $B\textrm{Diff}^+(M)$, for $M$ a reducible, oriented 3-manifold with irreducible prime factors $P_1,\ldots,P_n$. A programme of C\'esar de S\'a-Rourke, Hendriks-Laudenbach, aโ€ฆ

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Mathematics Preprint PDF DOI

The theta correspondence over finite fields

Anne-Marie Aubert ยท 2026

This set of lecture notes is an expanded version of a mini-course the author gave in March of 2025 for the program ``Representation Theory \& Noncommutative Geometry" at the Institut Henri Poincar\'e,โ€ฆ

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Mathematics Preprint PDF DOI

Homogenization and operator estimates for Steklov problems in perforated domains

Andrii Khrabustovskyi, Jari Taskinen ยท 2026

Let the set $\Omega_\varepsilon$ be obtained from the bounded domain $\Omega$ by removing a family of $\varepsilon$-periodically distributed identical balls. In $\Omega_\varepsilon$ one considers the โ€ฆ

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History & Literature Preprint PDF DOI

Henri Poincare Saint Louis Lecture of 1904: Early Publication and International Dissemination

Hector Giacomini ยท 2026

Henri Poincare Saint Louis lecture, delivered on 24 September 1904 at the International Congress of Arts and Science, occupies a distinctive place in the pre history of twentieth century theoretical pโ€ฆ

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Physics Preprint PDF DOI

Kirkwood-Dirac classical states based on discrete Fourier transform: Representation with directed graph

Lin-Yan Cai, Ying-Hui Yang, Zhu-Jun Zheng ยท 2026

The Kirkwood-Dirac (KD) quasiprobability distribution is a fundamental representation for quantum states and has been widely applied in quantum metrology, quantum chaos, weak values in recent years. Aโ€ฆ

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Mathematics Preprint PDF DOI

When are Two Subgroups Independent?

Alexa Gopaulsingh ยท 2026

Rosenmann and Ventura asked "What is the right definition of dependence of subgroups for general groups?". Here we aim to answer this question. We consider a definition of subgroup independence which โ€ฆ

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History & Literature Preprint PDF DOI

Blindspots of empiricism in the discovery of chaos theory

Brett Park ยท 2026

Chaos theory is a branch of classical physics, founded in the 1960s-70s, that studies systems whose solutions are sensitively dependent on their initial conditions. For many, it is surprising that chaโ€ฆ

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Medicine & Health Preprint PDF DOI

A review of ventral hernia biomechanics

Victoria Joppin (LBA UMR T24, CRMBM), Catherine Masson (LBA UMR T24), David Bendahan (CRMBM), Thierry Bege (LBA UMR T24) ยท 2026

Despite advancements in surgical techniques, hernia recurrence rates remain high, underscoring the need for improved understanding of abdominal wall behaviour. While surgeons are aware of many factorsโ€ฆ

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Mathematics Preprint PDF DOI

Twisted dynamical zeta functions and the Fried's conjecture

Polyxeni Spilioti ยท 2026

This is a survey article on the twisted dynamical zeta functions of Ruelle and Selberg and the Fried's conjecture. It is based on the mini-course: "Twisted Ruelle zeta function, complex-valued analytiโ€ฆ

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AI & Data Science Preprint PDF DOI

Capability Thresholds and Manufacturing Topology: How Embodied Intelligence Triggers Phase Transitions in Economic Geography

Xinmin Fang, Lingfeng Tao, Zhengxiong Li ยท 2026

The fundamental topology of manufacturing has not undergone a paradigm-level transformation since Henry Ford's moving assembly line in 1913. Every major innovation of the past century, from the Toyotaโ€ฆ

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Computer Science Preprint PDF DOI

Expregular functions

Thomas Colcombet, Nathan Lhote, Pierre Ohlmann ยท 2026

Polyregular functions form a robust class of string-to-string functions with polynomial growth, as evidenced by Bojanczyk (2018). This class admits numerous descriptions and enjoys several closure pโ€ฆ

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Economics & Finance Preprint PDF DOI

Schr\"odinger bridges with jumps for time series generation

Stefano De Marco, Huyen Pham, Davide Zanni ยท 2026

We study generative modeling for time series using entropic optimal transport and the Schr\"odinger bridge (SB) framework, with a focus on applications in finance and energy modeling. Extending the diโ€ฆ

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Physics Preprint PDF DOI

Rotational anisotropy Raman spectrometer for high-sensitivity crystallographic symmetry analysis

Di Cheng, Junxiang Li, Shizhuo Luo, Zehao Chen, Xinwei Li ยท 2026

Raman spectroscopy stands as a cornerstone technique for probing collective excitations and emergent quantum phases in solids. While polarization-resolved Raman scattering has been widely used to extrโ€ฆ

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Physics Preprint PDF DOI

The Emergence of Measured Geometry in Self-Gravitating Systems

Maria I. R. Lourenco, Julian Barbour, Francisco S. N. Lobo ยท 2026

This work investigates the geometrical properties of self-gravitating $N$-body systems from the perspective established by Henri Poincar\'e and Albert Einstein concerning the operational nature of meaโ€ฆ

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Medicine & Health Preprint PDF DOI

Biomechanics of the abdominal wall before and after ventral hernia repair using dynamic MRI

Victoria Joppin (LBA UMR T24, CRMBM), David Bendahan (CRMBM), Ahmed Ali El Ahmadi (LBA UMR T24), Catherine Masson (LBA UMR T24), Thierry Bege (LBA UMR T24) ยท 2026

Purpose: This study aims to investigate the use of dynamic MRI to assess abdominal wall biomechanics before and after hernia surgery, considering that such evaluations can enhance our understanding ofโ€ฆ

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