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Computer Science Preprint PDF DOI

Author response to commentaries on H is for Human and How (Not) to Evaluate Qualitative Research in HCI

Andy Crabtree · 2026

This is the authors response to commentaries on the original article H is for Human and How (Not) to Evaluate Qualitative Research in HCI, https://doi.org/10.1080/07370024.2025.2475743 Commentaries we…

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Physics Preprint PDF DOI

MG-NECOLA: A Field-Level Emulator for $f(R)$ Gravity and Massive Neutrino Cosmologies

J. Bayron Orjuela-Quintana, Mauricio Reyes, Elena Giusarma, Marco Baldi, Neerav Kaushal, Cesar A. Valenzuela-Toledo · 2026

Accurate modeling of non-linear gravitational dynamics is essential for constraining extensions to the standard cosmological model using large-scale structure observations. While high-resolution $N$-b…

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Mathematics Preprint PDF DOI

Whitehead torsion and the kernel of assembly

Oscar Harr · 2026

For a topological space that is homeomorphic to a finite simplicial complex, we prove that the Bartels--Nikolaus assembly functor has a fully faithful right adjoint. Using this, we define for each suc…

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Mathematics Preprint PDF DOI

Statistical Limit Theorems for Axiom A Diffeomorphisms: Exponential Mixing, Central Limit Theorem, and Large Deviations

Abdoulaye Thiam · 2026

We establish statistical limit theorems for equilibrium states of Axiom A diffeomorphisms, derived from the spectral gap of the Ruelle transfer operator established in Part I (Thiam2026a) and transfer…

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Physics Preprint PDF DOI

Multi-Fidelity Monte-Carlo Estimation of Satellite Drag in Very-Low-Earth Orbit

Jovan Boskovic, Marcel Pfeifer, Andrea Beck · 2026

Very-low-Earth orbit drag uncertainty quantification in the rarefied/transitional Knudsen-number regime requires estimating not only the mean drag coefficient but also higher-order moments under atmos…

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Mathematics Preprint PDF DOI

Varieties of minimal degree in weighted projective space

Maya Banks, Ritvik Ramkumar · 2026

We initiate a study of varieties of minimal degree in weighted projective spaces. We call a weighted projective space $\mathbf{P}(w_0,\dots,w_n)$ divisible if $w_i \mid w_{i+1}$ for all $i$. We provid…

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Mathematics Preprint PDF DOI

Normal approximation for iterated inner functions

Yukun Chen, Xiangdi Fu, Zhaofeng Lin, Yanqi Qiu · 2026

A Berry--Ess\'{e}en theorem for linear combinations of iterates of an inner function is obtained. Our proof, which is based an elementary transfer argument and classical results in martingale theory, …

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Physics Preprint PDF DOI

Distances to molecular clouds in the Galactic longitude l=10-20 deg from the MWISP 12CO 1-0 survey

Juan Mei, Zhiwei Chen, Min Fang, Miaomiao Zhang, Shiyu Zhang, Zhibo Jiang · 2026

We present distances to 56 molecular clouds within $10\degr \leq l \leq 20\degr$ and $|b| \leq 5.25\degr$ from the Milky Way Imaging Scroll Painting (MWISP) $^{12}$CO survey, 47 of which are first-tim…

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AI & Data Science Preprint PDF DOI

Why MLLMs Struggle to Determine Object Orientations

Anju Gopinath, Nikhil Krishnaswamy, Bruce Draper · 2026

Multimodal Large Language Models (MLLMs) struggle with tasks that require reasoning about 2D object orientation in images, as documented in prior work. Tong et al. and Nichols et al. hypothesize that …

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Mathematics Preprint PDF DOI

Analysis of Chaos and Bifurcation in Nonlinear two-delay differential equation

Pragati Dutta, Sachin Bhalekar · 2026

This paper studies how complicated and irregular behavior, known as chaos, can arise in a simple mathematical model that includes time delays. The model is a delay differential equation in which the p…

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Mathematics Preprint PDF DOI

On Petr Novikov's problem of ordered systems of uniform sets

Vladimir Kanovei, Vassily Lyubetsky · 2026

We prove that every ordinal $\alpha<\omega_2$ is the order type of a certain system of uniform Borel sets in the sense of a well-ordering relation defined by Petr Novikov. This result gives a positive…

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Physics Preprint PDF DOI

Score Shocks: The Burgers Equation Structure of Diffusion Generative Models

Krisanu Sarkar · 2026

We analyze the score field of a diffusion generative model through a Burgers-type evolution law. For VE diffusion, the heat-evolved data density implies that the score obeys viscous Burgers in one dim…

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Computer Science Preprint PDF DOI

Language Scent: Exploring Cross-Language Information Navigation

Jiawen Stefanie Zhu, Katharina Reinecke, Tanushree Mitra · 2026

While multilingual users often switch between languages when seeking information, this process remains undersupported by current systems where information is typically siloed by language. Our formativ…

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Mathematics Preprint PDF DOI

Secant rank and syzygies of projections of elliptic normal curves

Changho Han, Euisung Park · 2026

We study the syzygies of projections of elliptic normal curves. Let $C \subset \mathbb{P}^{d-1}$ be an elliptic normal curve of degree $d \ge 5$, and let $C_q$ denote the projection of $C$ from a poin…

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Physics Preprint PDF DOI

A Shakhov-based Bhatnagar-Gross-Krook model for polyatomic molecules and for atomic as well as polyatomic mixtures

Marcel Pfeiffer, Franziska Tuttas · 2026

The implementation of the Shakhov Bhatnagar-Gross-Krook (SBGK) method in the open-source particle code PICLas is extended for modeling of polyatomic molecules, as well as mixtures including atoms and …

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Physics Preprint PDF DOI

A P-Adaptive Hybridizable Discontinuous Galerkin Spectral Element Method for Electrostatic Particle-in-Cell Simulations

Tobias Ott, Stephen Copplestone, Marcel Pfeiffer · 2026

This paper presents a p-adaptive high-order hybridizable discontinuous Galerkin spectral element method (HDG-SEM) for solving the Poisson equation in electrostatic plasma simulations using particle-in…

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AI & Data Science Preprint PDF DOI

Ink Detection from Surface Topography of the Herculaneum Papyri

Giorgio Angelotti, Federica Nicolardi, Paul Henderson, W. Brent Seales · 2026

Reading the Herculaneum papyri is challenging because both the scrolls and the ink, which is carbon-based, are carbonized. In X-ray radiography and tomography, ink detection typically relies on densit…

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Mathematics Preprint PDF DOI

Locating isolas in nonlinear oscillator systems using uncertainty quantification

Dongxiao Hong, David A. W. Barton, Simon A. Neild · 2026

Parametric uncertainty in nonlinear dynamical systems can fundamentally alter bifurcation behaviour, leading to qualitative response changes. Predicting operating margins/envelopes under such uncertai…

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Mathematics Preprint PDF DOI

Simple Yetter-Drinfeld modules over Generalized Liu algebras

Xiangjun Zhen, Gongxiang Liu, Jing Yu · 2026

Let $H$ be a generalized Liu algebra over an algebraically closed field $k$ of characteristic zero. We prove that all simple Yetter-Drinfeld modules over $H$ are finite-dimensional and present an expl…

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Computer Science Preprint PDF DOI

From Morality Installation in LLMs to LLMs in Morality-as-a-System

Gunter Bombaerts · 2026

Work on morality in large language models (LLMs) has progressed via constitutional AI, reinforcement learning from human feedback (RLHF) and systematic benchmarking, yet it still lacks tools to connec…

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