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Mathematics Preprint PDF DOI

Freidlin-G\"artner formula and asymptotic profile in reaction-diffusion equations

Luca Rossi · 2026

We address the question of the large-time behavior of solutions to reaction-diffusion equations in periodic media. We start with the description of the asymptotic shape of the invasion set, which is c…

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Physics Preprint PDF DOI

Complex Geodesics in the Nariai Geometry

Lars Aalsma, Mir Mehedi Faruk · 2026

We study two-point correlation functions of heavy scalar fields in the Nariai geometry. Utilizing the heat kernel formalism, we obtain this result from a geodesic approximation to the two-point functi…

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Mathematics Preprint PDF DOI

Ramsey Property and Pathological Sets: Almost Disjointness, Independence and Other Maximal Objects

Jialiang He, Jintao Luo, Shuguo Zhang · 2026

We show that under $\mathsf{ZF} + \mathsf{CC}_{\mathbb R}$, if the Ramsey property holds for all sets in a good pointclass $\Gamma$, then there is no MAD family in $\Gamma$, proving a long-standing co…

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Mathematics Preprint PDF DOI

Design and Modeling of a HASEL Actuator-Based Micro Parallel Robot

Agustin Feregrino (UMLP, ENSMM, FEMTO-ST), Nelson Cisneros (UMLP, ENSMM, FEMTO-ST), Alexis Lefevre (UMLP, ENSMM, FEMTO-ST), Yongxin Wu (UMLP, ENSMM, FEMTO-ST), Yann Le Gorrec (UMLP, ENSMM, FEMTO-ST) · 2026

This paper presents the mechatronic design, dynamic modeling, and experimental validation of a three-degree-of-freedom (3-DOF) micro parallel robot featuring a prismatic-spherical (3PS) topology actua…

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Physics Preprint PDF DOI

Data-Driven Hamiltonian Reduction for Superconducting Qubits via Meta-Learning

Arielle Sanford, Andrew T. Kamen, Frederic T. Chong, Andy J. Goldschmidt · 2026

We introduce HAML (Hamiltonian Adaptation via Meta-Learning), a framework for fast online adaptation of effective Hamiltonian models of superconducting quantum processors. HAML proceeds in two phases.…

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AI & Data Science Preprint PDF DOI

Weak Moment Methods for Statistical Inference: with an Application to Robust Estimation

R. Labouriau · 2026

A companion paper develops a framework in which probability measures are represented by distribution-kernel pairs (T,phi) with T a tempered distribution and phi a Schwartz kernel, so that weak moments…

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AI & Data Science Preprint PDF DOI

Interpretable Physics-Informed Load Forecasting for U.S. Grid Resilience: SHAP-Guided Ensemble Validation in Hybrid Deep Learning Under Extreme Weather

Md Abubakkar, Sajib Debnath, Md. Uzzal Mia · 2026

Accurate short-term electricity load forecasting is a cornerstone of U.S. grid reliability; however, prevailing deep learning models remain opaque, limiting operator trust during extreme weather. A un…

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Engineering Preprint PDF DOI

AI-Driven Performance-to-Design Generation and Optimization of Marine Propellers

Leah Chen, Keni Chih-Hua Wu, Boon Tat Chia, Xiuqing Xing, Jian Cheng Wong · 2026

AI is increasingly used to accelerate engineering design by improving decision-making and shortening iteration cycles. Application to marine propeller design, however, remains challenging due to scarc…

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Computer Science Preprint PDF DOI

Making TransactionIsolation Checking Practical

Jian Zhang, Shuai Mu, Cheng Tan · 2026

Checking whether database transactions adhere to isolation levels is a crucial yet challenging problem. We present Boomslang, the first general-purpose checking framework capable of verifying configur…

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Mathematics Preprint PDF DOI

Cyclic Equalizability Characterized by Parikh Vectors

Sarunyu Thongjarast, Sarit Pasiphol, Suthee Ruangwises · 2026

Cyclic equalizability is a notion introduced by Shinagawa and Nuida in 2025, in the study of card-based cryptography. Informally, a collection of words is cyclically equalizable if, by inserting the s…

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Physics Preprint PDF DOI

The Flat Critical Branch Between Nariai and Bertotti-Robinson Geometries as a Solution of Cosmological Einstein-Maxwell Theory

Metin Gurses, Tahsin Cagri Sisman, Bayram Tekin · 2026

We analyze a class of product geometries of the form $\mathbb{R}^{1,1}\times \Sigma_2$ supported by electric, magnetic, or dyonic flux in the Einstein-Maxwell-$\Lambda$ theory. These spacetimes belong…

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Earth & Environmental Sciences Preprint PDF DOI

Producing High-Resolution Martian Surface Temperature Maps Using VIR-TIR Relationships

Michael A. Frazer, Eriita G. Jones, Katarina Miljkovic, Gretchen K. Benedix · 2026

Thermal infrared data (TIR; 8 - 15 $\mu m$) has a wide range of applications in Earth and planetary remote sensing. On Mars, this includes deriving thermal inertia (TI), which describes surface physic…

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AI & Data Science Preprint PDF DOI

Agentic Frameworks for Reasoning Tasks: An Empirical Study

Zeeshan Rasheed, Abdul Malik Sami, Muhammad Waseem, Kai-Kristian Kemell, Mika Saari, Pekka Abrahamsson · 2026

Recent advances in agentic frameworks have enabled AI agents to perform complex reasoning and decision-making. However, evidence comparing their reasoning performance, efficiency, and practical suitab…

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Mathematics Preprint PDF DOI

On local integrability results for $p$-adic reductive groups

Cheng-Chiang Tsai · 2026

We present a short proof, based on local character expansions, of the celebrated theorem of Harish-Chandra about local integrability of complex characters of $p$-adic reductive groups. The proof gives…

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Physics Preprint PDF DOI

Microscopic primordial black holes as macroscopic dark matter from large extra dimensions

Giuseppe Filiberto Vitale, Gaetano Lambiase, Tanmay Kumar Poddar, Luca Visinelli · 2026

We study the coupled cosmological evolution of primordial black holes (PBHs) and radiation in the Arkani-Hamed-Dimopoulos-Dvali (ADD) framework with $n$ large extra dimensions and a fundamental gravit…

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Mathematics Preprint PDF DOI

Symplectic Constraints in Classical Reaction Dynamics: From Gromov's Camel to Reaction Rates

Stephen Wiggins · 2026

We investigate whether ideas from symplectic topology, in particular Gromov's non-squeezing theorem and symplectic capacity, can provide useful geometric insight into classical reaction dynamics near …

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Physics Preprint PDF DOI

Options for RICH detectors based on silica aerogels for the high-momentum range

A.Yu. Barnyakov, V.S.Bobrovnikov, A.R.Buzykaev, A.V. Chepelev, R.A. Efremov, A.F. Daniluyk, A.A. Katcin, E.A.Kravchenko, I.A. Kuyanov, A.D. Ofitserov, I.V.Ovtin · 2026

Nowadays, several projects of future colliding beam experiments are being considered in the world. Among them are the CEPC (Circular Electron Positron Collider) in China and the FCC (Future Circular C…

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Physics Preprint PDF DOI

QARIMA: A Quantum Approach To Classical Time Series Analysis

Nishikanta Mohanty, Bikash K. Behera, Badshah Mukherjee, Pravat Dash · 2026

We present a quantum-inspired ARIMA methodology that integrates quantum-assisted lag discovery with fixed-configuration variational quantum circuits (VQCs) for parameter estimation and weak-lag refine…

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Physics Preprint PDF DOI

Comments on "Ether of Orbifolds"

Masanori Hanada · 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 $\eps…

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AI & Data Science Preprint PDF DOI

Depth-Based Vector Median Absolute Deviation Moments for Robust Multivariate Shape Analysis

Elsayed Elamir · 2026

Classical multivariate shape analysis relies on covariance-standardized moments, such as Mardia skewness and kurtosis, which are sensitive to outliers and require finite moments. This paper introduces…

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