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Physics Preprint PDF DOI

Shift of the maxima of the critical currents of different polarity relative to the zero magnetic flux along the flux axis in a superconducting asymmetric aluminum ring

V. I. Kuznetsov, O. V. Trofimov ยท 2026

We measured the rectification of an ac voltage in a structure of superconducting circularly-asymmetric aluminum rings in series, permeated with a magnetic flux and biased with a low-frequency alternatโ€ฆ

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Mathematics Preprint PDF DOI

A bound-preserving oscillation-eliminating discontinuous Galerkin scheme for compressible two-phase flow

Jia-Jun Zou, Fan Zhang, Yu-Chang Liu, Qi Kong, Yun-Long Liu, A-Man Zhang ยท 2026

This paper presents a high-order bound-preserving oscillation-eliminating discontinuous Galerkin (BP-OEDG) scheme for simulating gas-gas and gas-liquid two-phase flows governed by the Kapila five-equaโ€ฆ

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AI & Data Science Preprint PDF DOI

Fractionally Supervised Classification with Maxima Nominated Samples

Mohammad Jafari Jozani, Jingyu Wang ยท 2026

Fractionally supervised classification (FSC) offers a flexible framework for combining labeled and unlabeled data in model-based classification, but existing formulations assume simple random samplingโ€ฆ

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Biology & Life Sciences Preprint PDF DOI

Persistent and anti-persistent stride-to-stride fluctuations: an ARFIMA decomposition consistent with closed-loop sensorimotor control

Philippe Terrier ยท 2026

Stride-to-stride fluctuations in human walking carry a fractal correlation structure that reverses sign under external cueing: self-paced gait is persistent, whereas metronomic or visually cued gait iโ€ฆ

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AI & Data Science Preprint PDF DOI

Knowledge-driven Augmentation and Retrieval for Integrative Temporal Adaptation

Weisi Liu, Guangzeng Han, Xiaolei Huang ยท 2026

Time introduces fundamental challenges in model development and deployment: models are usually trained on historical data while deployed on future data where semantic distributions and domain knowledgโ€ฆ

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AI & Data Science Preprint PDF DOI

An Efficient Black-Box Reduction from Online Learning to Multicalibration, and a New Route to $\Phi$-Regret Minimization

Gabriele Farina, Juan Carlos Perdomo ยท 2026

We give a Gordon-Greenwald-Marks (GGM) style black-box reduction from online learning to online multicalibration. Concretely, we show that to achieve high-dimensional multicalibration with respect to โ€ฆ

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Mathematics Preprint PDF DOI

On the maxima of Littlewood polynomials on $[-1,1]$

Brayden Letwin, Mehtaab Sawhney ยท 2026

A Littlewood polynomial is a polynomial of the form \[ f_n(x)=\sum_{k=0}^n \varepsilon_k x^k \] with $\varepsilon_k\in\{-1, 1\}$. Let $(\varepsilon_k)_{k \ge 0}$ be i.i.d. Rademacher coefficients. Wโ€ฆ

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Physics Preprint PDF DOI

Fermion-fermion scattering in a Rarita-Schwinger model with Yukawa-like interaction

M. C. Araujo, J. G. Lima, J. Furtado, T. Mariz ยท 2026

In this work, we investigate the scattering of spin-$3/2$ fermionic particles mediated by a Yukawa-like coupling in the context of the massive Rarita-Schwinger model. The interaction is introduced by โ€ฆ

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Economics & Finance Preprint PDF DOI

Context-Integrated Adversarial Learning for Predictive Modelling of Stock Price Dynamics

Alexis Lazanas, Spyros Christodoulou, Spyridon Karpouzis ยท 2026

It is a challenging task to forecast equity prices in fast moving financial markets as this becomes even more difficult when the predictive signal is based on non-homogeneous information channels. Theโ€ฆ

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Mathematics Preprint PDF DOI

Maxima of stationary systems of randomly time-changed L\'evy particles

Ioan Scheffel ยท 2026

We construct stationary max-infinitely divisible (max-id) processes from systems of randomly time-changed L\'evy particles. Classical examples without time change, such as the Brown-Resnick process, aโ€ฆ

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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 ยท 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 refineโ€ฆ

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AI & Data Science Preprint PDF DOI

AtlasOCR: Building the First Open-Source Darija OCR Model with Vision Language Models

Imane Momayiz, Soufiane Ait Elaouad, Abdeljalil Elmajjodi, Haitame Bouanane ยท 2026

Darija, the Moroccan Arabic dialect, is rich in visual content yet lacks specialized Optical Character Recognition (OCR) tools. This paper introduces AtlasOCR, the first open-source Darija OCR model bโ€ฆ

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Engineering Preprint PDF DOI

Karma Mechanisms for Decentralised, Cooperative Multi Agent Path Finding

Kevin Riehl, Julius Schlapbach, Anastasios Kouvelas, Michail A. Makridis ยท 2026

Multi-Agent Path Finding (MAPF) is a fundamental coordination problem in large-scale robotic and cyber-physical systems, where multiple agents must compute conflict-free trajectories with limited compโ€ฆ

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Engineering Preprint PDF DOI

Flexible Electric Vehicle Charging with Karma

Ezzat Elokda, Ruiting Wang, Karl H. Johansson, Angela Fontan ยท 2026

Motivated by the need to develop fair and efficient schemes to facilitate the electrification of transport, this paper proposes a non-monetary karma economy for flexible Electric Vehicle (EV) chargingโ€ฆ

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AI & Data Science Preprint PDF DOI

L-ReLF: A Framework for Lexical Dataset Creation

Anass Sedrati, Mounir Afifi, Reda Benkhadra ยท 2026

This paper introduces the L-ReLF (Low-Resource Lexical Framework), a novel, reproducible methodology for creating high-quality, structured lexical datasets for underserved languages. The lack of standโ€ฆ

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Mathematics Preprint PDF DOI

Degree theory of the partition graph: exact maxima, profiles, and fibres

Fedor B. Lyudogovskiy ยท 2026

For the partition graph $G_n$, whose vertices are the partitions of $n$ and whose edges correspond to elementary unit transfers between parts, we develop a degree theory with three levels: exact valueโ€ฆ

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AI & Data Science Preprint PDF DOI

A Benchmark of Classical and Deep Learning Models for Agricultural Commodity Price Forecasting on A Novel Bangladeshi Market Price Dataset

Tashreef Muhammad, Tahsin Ahmed, Meherun Farzana, Md. Mahmudul Hasan, Abrar Eyasir, Md. Emon Khan, Mahafuzul Islam Shawon, Ferdous Mondol, Mahmudul Hasan, Muhammad Ibrahim ยท 2026

Accurate short-term forecasting of agricultural commodity prices is critical for food security planning and smallholder income stabilisation in developing economies, yet machine-learning-ready datasetโ€ฆ

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AI & Data Science Preprint PDF DOI

Wavelet-based estimation in aggregated functional data with positive and correlated errors

Alex Rodrigo dos Santos Sousa, Joao Victor Siqueira Rodrigues, Vitor Ribas Perrone, Raul Gomes Rocha ยท 2026

We consider the statistical problem of estimating constituent curves from observations of their aggregated curves, referred to as \textit{aggregated functional data}, in models with strictly positive โ€ฆ

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Physics Preprint PDF DOI

Stellar Variability and Distance Indicators in the Near-infrared in Nearby Galaxies. II. Pulsating Stars in the Carina Dwarf Spheroidal

Chow-Choong Ngeow, Anupam Bhardwaj, Prashant Nishad, Das Susmita ยท 2026

We present homogeneous, near-infrared ($JHK_s$ bands) time-series observations of the classical Carina dwarf Spheroidal (dSph) galaxy to determine accurate and precise distances using the pulsating stโ€ฆ

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Computer Science Preprint PDF DOI

KARMA: Knowledge-Action Regularized Multimodal Alignment for Personalized Search at Taobao

Zhi Sun, Wenming Zhang, Yi Wei, Liren Yu, Zhixuan Zhang, Dan Ou, Haihong Tang ยท 2026

Large Language Models (LLMs) are equipped with profound semantic knowledge, making them a natural choice for injecting semantic generalization into personalized search systems. However, in practice weโ€ฆ

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