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Physics Preprint PDF DOI

An axion framework for Particle-in-Cell codes with Monte-Carlo sampling: emission, absorption, and detailed balance in plasmas

Miles Radford, Ahmed Alsulami, Bertrand Martinez, Pablo Bilbao, Thomas Grismayer, Luis O. Silva, Robert Bingham, Gianluca Gregori · 2026

We present an extension of the OSIRIS particle-in-cell (PIC) code that introduces an axion macroparticle species and three axion-production channels commonly used in thermal-plasma axion phenomenology…

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Mathematics Preprint PDF DOI

$C^{1/5^{-}}$ Convex Integration Solutions of Ideal MHD

Matteo Giardi, Laszlo Szekelyhidi Jr · 2026

For any $0\leq \gamma < 1/5$, we construct weak solutions $(v, B, p )$ of the Ideal MHD Equations which do not conserve the total kinetic energy, the cross-helicity and lie in $C^\gamma(\mathbb{T}^3\t…

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Computer Science Preprint PDF DOI

CapBench: A Multi-PDK Dataset for Machine-Learning-Based Post-Layout Capacitance Extraction

Hector R. Rodriguez, Jiechen Huang, Wenjian Yu · 2026

We present CapBench, a fully reproducible, multi-PDK dataset for capacitance extraction. The dataset is derived from open-source designs, including single-core CPUs, systems-on-chip, and media acceler…

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Mathematics Preprint PDF DOI

Nonequilibrium fluctuations and moderate deviations for the occupation time of the SSEP with Glauber dynamics

Linjie Zhao · 2026

We study the symmetric simple exclusion process with Glauber dynamics. When the process starts from a nonequilibrium measure, we prove central limit theorems for the occupation time in dimension two, …

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AI & Data Science Preprint PDF DOI

TaFall: Balance-Informed Fall Detection via Passive Thermal Sensing

Chengxiao Li, Xie Zhang, Wei Zhu, Yan Jiang, Chenshu Wu · 2026

Falls are a major cause of injury and mortality among older adults, yet most incidents occur in private indoor environments where monitoring must balance effectiveness with privacy. Existing privacy-p…

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Mathematics Preprint PDF DOI

Determinantally Equivalent Functions Beyond the Nowhere-Zero Case

Harry Sapranidis Mantelos · 2026

Let $\Lambda$ be a set and $\mathbb{F}$ a field, and suppose that $K,Q:\Lambda^2\to\mathbb{F}$ are two functions such that for any $n\in\mathbb{N}$ and $x_1,x_2,\ldots,x_n\in\Lambda$, the determinants…

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Mathematics Preprint PDF DOI

Extending Theorems of Boros and Menzer

Marek Balcerzak, Micha{l} Pop{l}awski · 2026

We extend results of Boros and Menzer on the alternative equation $f(x)f(y)=0$ for generalized polynomials $f$, and their theorems on the conditional inequality $f(x)f(y)\ge 0$ for generalized monomia…

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Engineering Preprint PDF DOI

RAFL: Generalizable Sim-to-Real of Soft Robots with Residual Acceleration Field Learning

Dong Heon Cho, Boyuan Chen · 2026

Differentiable simulators enable gradient-based optimization of soft robots over material parameters, control, and morphology, but accurately modeling real systems remains challenging due to the sim-t…

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Mathematics Preprint PDF DOI

Pressure-robustness for the axisymmetric Stokes problem by velocity reconstruction

Philip L. Lederer, Christoph Lehrenfeld, Christian Merdon, Tim van Beeck · 2026

This paper studies pressure-robustness for the axisymmetric Stokes problem. The transformation to cylindrical coordinates requires that the radially weighted velocity is divergence-free in the classic…

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AI & Data Science Preprint PDF DOI

RAVEL: Reasoning Agents for Validating and Evaluating LLM Text Synthesis

Andrew Zhuoer Feng, Cunxiang Wang, Yu Luo, Bosi Wen, Yidong Wang, Lin Fan, Yilin Zhou, Zikang Wang, Wenbo Yu, Lindong Wu, Hongning Wang, Minlie Huang · 2026

Large Language Models have evolved from single-round generators into long-horizon agents, capable of complex text synthesis scenarios. However, current evaluation frameworks lack the ability to assess…

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Computer Science Preprint PDF DOI

Geneses: Unified Generative Speech Enhancement and Separation

Kohei Asai, Wataru Nakata, Yuki Saito, Hiroshi Saruwatari · 2026

Real-world audio recordings often contain multiple speakers and various degradations, which limit both the quantity and quality of speech data available for building state-of-the-art speech processing…

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Mathematics Preprint PDF DOI

Spectral norm of matrices with independent entries up to polyloglog

Rafa{l} Meller · 2025

In this paper, we study the expectation of the operator norm of the random matrix (a_{ij} X_{ij}) for i,j <= n, under the assumption that the random variables (X_{ij}) are independent, symmetric and s…

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Physics Preprint PDF DOI

Magnetic and Transport Studies of the TbAgAl compound at high fields

Ashwin Mohan, Radha S · 2025

In order to further investigate the magnetic state of the RAgAl series, the magnetization measurements on the TbAgAl compound from this series have been extended to higher fields of 12 Tesla in the te…

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Mathematics Preprint PDF DOI

Parameter-free inexact block Schur complement preconditioning for linear poroelasticity under a hybrid Bernardi-Raugel and weak Galerkin finite element discretization

Weizhang Huang, Zhuoran Wang · 2025

This work investigates inexact block Schur complement preconditioning for linear poroelasticity problems discretized using a hybrid approach: Bernardi-Raugel elements for solid displacement and lowest…

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Physics Preprint PDF DOI

Resonant states and nuclear dynamics in solid-state systems: the case of silicon-hydrogen bond dissociation

Woncheol Lee, Mark E. Turiansky, Dominic Waldhor, Byounghak Lee, Tibor Grasser, Chris G. Van de Walle · 2025

Bond breaking in the presence of highly energetic carriers is central to many important phenomena in physics and chemistry, including radiation damage, hot-carrier degradation, activation of dopant-hy…

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AI & Data Science Preprint PDF DOI

MedEyes: Learning Dynamic Visual Focus for Medical Progressive Diagnosis

Chunzheng Zhu, Yangfang Lin, Shen Chen, Yijun Wang, Jianxin Lin · 2025

Accurate medical diagnosis often involves progressive visual focusing and iterative reasoning, characteristics commonly observed in clinical workflows. While recent vision-language models demonstrate …

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AI & Data Science Preprint PDF DOI

Context-Specific Causal Graph Discovery with Unobserved Contexts: Non-Stationarity, Regimes and Spatio-Temporal Patterns

Martin Rabel, Jakob Runge · 2025

Real-world problems, for example in climate applications, often require causal reasoning on spatially gridded time series data or data with comparable structure. While the underlying system is often b…

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Mathematics Preprint PDF DOI

A new proof of an E\u{g}ecio\u{g}lu--Remmel inverse Kostka matrix problem via a Garsia--Milne involution involving Sym and NSym

Edward E. Allen, Kyle Celano, Sarah K. Mason · 2025

E\u{g}ecio\u{g}lu and Remmel provide a combinatorial proof (using special rim hook tableaux) that the product of the Kostka matrix $K$ and its inverse $K^{-1}$ equals the identity matrix $I$. They the…

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AI & Data Science Preprint PDF DOI

Project Rachel: Can an AI Become a Scholarly Author?

Martin Monperrus, Benoit Baudry, Clement Vidal · 2025

This paper documents Project Rachel, an action research study that created and tracked a complete AI academic identity named Rachel So. Through careful publication of AI-generated research papers, we …

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AI & Data Science Preprint PDF DOI

WiCV at CVPR 2025: The Women in Computer Vision Workshop

Estefania Talavera, Deblina Bhattacharjee, Himangi Mittal, Mengwei Ren, Karen Sanchez, Carla Muntean, JungEun Kim, Mona Jalal · 2025

The Women in Computer Vision Workshop (WiCV@CVPR 2025) was held in conjunction with the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR 2025) in Nashville, Tennessee, United State…

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