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AI & Data Science Preprint PDF DOI

ITS-Mina: A Harris Hawks Optimization-Based All-MLP Framework with Iterative Refinement and External Attention for Multivariate Time Series Forecasting

Pourya Zamanvaziri, Amirhossein Sadr, Aida Pakniyat, Dara Rahmati · 2026

Multivariate time series forecasting plays a pivotal role in numerous real-world applications, including financial analysis, energy management, and traffic planning. While Transformer-based architectu…

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Computer Science Preprint PDF DOI

Exploring the Adoption Intention in Using AI-Enabled Educational Tools Among Preservice Teachers in the Philippines: A Partial-Least Square Modeling

Vanessa B. Sibug, Emerson Q. Fernando, Almer B. Gamboa, Roque Francis B. Dianelo, Agnes R. Regala, Joseph Alexander Bansil, Jan Henry B. Sunga, Vernon Grace M. Maniago, John Paul P. Miranda · 2026

This study examines the factors influencing pre-service teachers' behavioral intention to use AI-enabled educational tools during their practicum, using the Unified Theory of Acceptance and Use of Tec…

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Computer Science Preprint PDF DOI

MarkIt: Training-Free Visual Markers for Precise Video Temporal Grounding

Pengcheng Fang, Yuxia Chen, Xiaohao Cai · 2026

Video temporal grounding (VTG) aims to localize the start and end timestamps of the event described by a given query within an untrimmed video. Despite the strong open-world video understanding and re…

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Computer Science Preprint PDF DOI

Inclusive Learning Analytics with Embedded Data Comics: A Conceptual Framework for Public Understanding of AI Ethics

Mengyi Wei, Chenyu Zuo, Dongsheng Chen, Liqiu Meng · 2026

Public awareness of AI ethics plays a crucial role in fostering the responsible and sustainable development of AI technology. However, finding effective ways to promote public understanding of the eth…

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Sociology & Anthropology Preprint PDF DOI

Generative artificial intelligence reduces social welfare through model collapse

Fabian Baumann, Erol Akcay, Joshua B. Plotkin · 2026

Generative artificial intelligence (genAI) is rapidly reshaping how knowledge and culture are produced and consumed. Yet generative models are vulnerable to model collapse: when trained on data genera…

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Physics Preprint PDF DOI

System Size Dependence of Collisionless Reconnection Rate

Yi-Min Huang, Naoki Bessho, Li-Jen Chen, Judith T. Karpen, Amitava Bhattacharjee · 2026

It is a widely accepted paradigm that collisionless magnetic reconnection proceeds at a universal fast rate of $\sim0.1$ when normalized to a properly defined reconnecting magnetic field and Alfv\'en …

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AI & Data Science Preprint PDF DOI

HABIT: Chrono-Synergia Robust Progressive Learning Framework for Composed Image Retrieval

Zixu Li, Yupeng Hu, Zhiwei Chen, Shiqi Zhang, Qinlei Huang, Zhiheng Fu, Yinwei Wei · 2026

Composed Image Retrieval (CIR) is a flexible image retrieval paradigm that enables users to accurately locate the target image through a multimodal query composed of a reference image and modification…

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Mathematics Preprint PDF DOI

Restricted Projections to Hyperplanes in $\mathbb{R}^n$

Jiayin Liu · 2026

We study dimensions of sets projected to an $(n-2)$-dimensional family of hyperplanes in $\mathbb{R}^n$ under curvature conditions. Let $n\ge 3$ and $\Sigma \subset S^{n-1}$ be an $(n-2)$-dimensional …

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AI & Data Science Preprint PDF DOI

Rethinking AI Hardware: A Three-Layer Cognitive Architecture for Autonomous Agents

Li Chen · 2026

The next generation of autonomous AI systems will be constrained not only by model capability, but by how intelligence is structured across heterogeneous hardware. Current paradigms -- cloud-centric A…

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AI & Data Science Preprint PDF DOI

Product Review Based on Optimized Facial Expression Detection

Vikrant Chaugule, Abhishek D, Aadheeshwar Vijayakumar, Pravin Bhaskar Ramteke, Shashidhar G. Koolagudi · 2026

This paper proposes a method to review public acceptance of products based on their brand by analyzing the facial expression of the customer intending to buy the product from a supermarket or hypermar…

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Computer Science Preprint PDF DOI

Improving Random Testing via LLM-powered UI Tarpit Escaping for Mobile Apps

Mengqian Xu, Yiheng Xiong, Le Chang, Ting Su, Chengcheng Wan, Weikai Miao · 2026

Random GUI testing is a widely-used technique for testing mobile apps. However, its effectiveness is limited by the notorious issue -- UI exploration tarpits, where the exploration is trapped in local…

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AI & Data Science Preprint PDF DOI

FMI@SU ToxHabits: Evaluating LLMs Performance on Toxic Habit Extraction in Spanish Clinical Texts

Sylvia Vassileva, Ivan Koychev, Svetla Boytcheva · 2026

The paper presents an approach for the recognition of toxic habits named entities in Spanish clinical texts. The approach was developed for the ToxHabits Shared Task. Our team participated in subtask …

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Physics Preprint PDF DOI

A comparison of three neodymium atomic data sets for kilonova modeling

Christopher J. Fontes, Nicholas Vieira, Chris L. Fryer, Adithan Kathirgamaraju, Oleg Korobkin, Marko Ristic, Ryan T. Wollaeger · 2026

We examine the impact of input neodymium (Nd) atomic data on the light curves and spectra of kilonovae, probing the sensitivity of kilonova observables to the atomic physics of this important lanthani…

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Physics Preprint PDF DOI

Optimizing Flux Method Growth of Rutile GeO2 Crystals

Avery-Ryan Ansbro, John T. Heron · 2026

Rutile germanium oxide (r-GeO2) has shown potential for ultrawide bandgap semiconductor applications such as power conversion and UV optoelectronics. Homoepitaxial substrates will be key for achieving…

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Mathematics Preprint PDF DOI

Points of low degree on curves over function fields

Siena van Schaick · 2026

We show that the geometric classification of smooth projective curves admitting infinitely many points of degree $d\leq 5$ extends from number fields to function fields of characteristic 0. Over numbe…

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Engineering Preprint PDF DOI

Realistic Lip Motion Generation Based on 3D Dynamic Viseme and Coarticulation Modeling for Human-Robot Interaction

Sheng Li, Jingcheng Huang, Min Li · 2026

Realistic lip synchronization is essential for the natural human-robot non-verbal interaction of humanoid robots. Motivated by this need, this paper presents a lip motion generation framework based on…

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Mathematics Preprint PDF DOI

Fokker-Planck Analysis and Invariant Laws for a Continuous-Time Stochastic Model of Adam-Type Dynamics

Kaj Nystrom · 2026

We develop a continuous-time model for the long-term dynamics of adaptive stochastic optimization, focusing on bias-corrected Adam-type methods. Starting from a finite-sum setting, we identify a canon…

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Physics Preprint PDF DOI

Cyclic reformation of subcritical perpendicular fast magnetosonic shocks due to oblique Whistler waves

ME Dieckmann, L Palodhi, M Francois, D Folini, R Walder · 2026

The stability of subcritical perpendicular fast magnetosonic shocks, which are propagating at 1.7 times the fast magnetosonic speed, is investigated using two-dimensional PIC simulations. The plasma, …

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Economics & Finance Preprint PDF DOI

Forecasting duration in high-frequency financial data using a self-exciting flexible residual point process

Kyungsub Lee · 2026

This paper presents a method for forecasting limit order book durations using a self-exciting flexible residual point process. High-frequency events in modern exchanges exhibit heavy-tailed interarriv…

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AI & Data Science Preprint PDF DOI

3D Architect: An Automated Approach to Three-Dimensional Modeling

Sunil Tiwari, Payal Fofadiya, Vicky Vishwakarma · 2026

The aim of our paper is to render an object in 3-dimension using a set of its orthographic views. Corner detector (Harris Detector) is applied on the input views to obtain control points. These contro…

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