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Physics Preprint PDF DOI

Mapping the Phase Diagram of the Vicsek Model with Machine Learning

Grace T. Bai, Brandon B. Le · 2026

In this study, we use machine learning to classify and interpolate the phase structure of the Vicsek flocking model across the three-dimensional parameter space $(\eta,\rho,v_0)$. We construct a datas…

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AI & Data Science Preprint PDF DOI

3D-ReGen: A Unified 3D Geometry Regeneration Framework

Geon Yeong Park, Roman Shapovalov, Rakesh Ranjan, Jong Chul Ye, Andrea Vedaldi, Thu Nguyen-Phuoc · 2026

We consider the problem of regenerating 3D objects from 2D images and initial 3D shapes. Most 3D generators operate in a one-shot fashion, converting text or images to a 3D object with limited control…

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Engineering Preprint PDF DOI

Dual-Polarized Massive MIMO Based on Precoding for Vehicle-To-Ground Communication in Urban Rail Transit

Zhengyuan Wu, Junhui Zhao, Qingmiao Zhang, Ming Zhang · 2026

The development of intelligent and diversified ser vices in urban rail transit (URT) has resulted in an increasing de mand for high-rate communication between vehicles and ground equipment. However, e…

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Biology & Life Sciences Preprint PDF DOI

Information transfer enhanced by non-reciprocity in a model of turning flocks

Mario Sandoval · 2026

Seminal works on animal collectives started proposing a diffusive model (overdamped) for the information transfer occurring in it \cite{Vicsek}. Afterwards, the introduction of self-rotational inertia…

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Physics Preprint PDF DOI

Linear feedback control of liquid film on moving substrate via free-surface stresses

Fabio Pino, Benoit Scheid, Miguel A. Mendez, Demetrios T. Papageorgiou · 2026

Liquid films on moving substrates are used in dip-coating processes to form uniform protective layers. Controlling free-surface waves is essential due to the film's inherent linear instability. Theref…

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AI & Data Science Preprint PDF DOI

One Identity, Many Roles: Multimodal Entity Coreference for Enhanced Video Situation Recognition

Balaji Darur, Amanmeet Garg, Makarand Tapaswi · 2026

Video Situation Recognition (VidSitu) addresses the challenging problem of "who did what to whom, with what, how, and where" in a video. It tests thorough video understanding by requiring identificati…

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AI & Data Science Preprint PDF DOI

PExA: Parallel Exploration Agent for Complex Text-to-SQL

Tanmay Parekh, Ella Hofmann-Coyle, Shuyi Wang, Sachith Sri Ram Kothur, Srivas Prasad, Yunmo Chen · 2026

LLM-based agents for text-to-SQL often struggle with latency-performance trade-off, where performance improvements come at the cost of latency or vice versa. We reformulate text-to-SQL generation with…

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Medicine & Health Preprint PDF DOI

Fingertip Micro-Motion as a Source of Respiratory Information During Sleep Using Triaxial Accelerometers

Jeanne Lin, Lily Liu, Hau-Tieng Wu · 2026

Objective: Triaxial accelerometers (TAAs) are widely used in homecare medicine. This study investigates whether TAA signals recorded at the fingertip encode respiratory information, particularly insta…

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Engineering Preprint PDF DOI

Mobility Aware Power Control for VCSEL Based Indoor OWC

Walter Zibusiso Ncube, Ahmad Adnan Qidan, Taisir El-Gorashi, Jaafar M. H. Elmirghani · 2026

Optical wireless communication (OWC) is a promising technology for supporting data intensive services in indoor environments due to its large unregulated spectrum, high spatial reuse, and potential fo…

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Engineering Preprint PDF DOI

Characterizing pitch and roll torque coupling in insect-sized flapping-wing robots using a microfabricated gimbal

Aaron Weber, Daksh Dhingra, Sawyer B. Fuller · 2026

Sub-gram flapping-wing flying insect robots (FIRs) are challenging to model because of mechanical complexity in their wings, unsteady aerodynamic flow, and the difficulty of making precise measurement…

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AI & Data Science Preprint PDF DOI

Rethinking Cross-Domain Evaluation for Face Forgery Detection with Semantic Fine-grained Alignment and Mixture-of-Experts

Yuhan Luo, Tao Chen, Decheng Liu · 2026

Nowadays, visual data forgery detection plays an increasingly important role in social and economic security with the rapid development of generative models. Existing face forgery detectors still can'…

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AI & Data Science Preprint PDF DOI

Trust-SSL: Additive-Residual Selective Invariance for Robust Aerial Self-Supervised Learning

Wadii Boulila, Adel Ammar, Bilel Benjdira, Maha Driss · 2026

Self-supervised learning (SSL) is a standard approach for representation learning in aerial imagery. Existing methods enforce invariance between augmented views, which works well when augmentations pr…

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AI & Data Science Preprint PDF DOI

Multi-Agent Empowerment and Emergence of Complex Behavior in Groups

Tristan Shah, Ilya Nemenman, Daniel Polani, Stas Tiomkin · 2026

Intrinsic motivations are receiving increasing attention, i.e. behavioral incentives that are not engineered, but emerge from the interaction of an agent with its surroundings. In this work we study t…

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AI & Data Science Preprint PDF DOI

Stateless Decision Memory for Enterprise AI Agents

Vasundra Srinivasan · 2026

Enterprise deployment of long-horizon decision agents in regulated domains (underwriting, claims adjudication, tax examination) is dominated by retrieval-augmented pipelines despite a decade of increa…

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AI & Data Science Preprint PDF DOI

Bayesian inference for disease transmission models informed by viral dynamics

Dylan J. Morris, Lauren Kennedy, Andrew J. Black · 2026

Infectious disease dynamics operate across multiple biological scales, with within-host viral dynamics being a key driver of between-host transmission. However, while models that explicitly link these…

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Computer Science Preprint PDF DOI

Geometric Comparisons of Electoral Rules Under Feedback

Sumit Mukherjee · 2026

We study how electoral rules shape polarization dynamics when voters and candidates both adapt to repeated election outcomes. We introduce two geometric primitives for comparing rules under this feedb…

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AI & Data Science Preprint PDF DOI

Disentangling Damage from Operational Variability: A Label-Free Self-Supervised Representation Learning Framework for Output-Only Structural Damage Identification

Xudong Jian, Charikleia Stoura, Simon Scandella, Eleni Chatzi · 2026

Damage identification is a core task in structural health monitoring. In practice, however, its reliability is often compromised by confounding non-damage effects, such as variations in excitation and…

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AI & Data Science Preprint PDF DOI

Plausible Reasoning and First-Order Plausible Logic

David Billington · 2026

Defeasible statements are statements that are likely, or probable, or usually true, but may occasionally be false. Plausible reasoning makes conclusions from statements that are either facts or defeas…

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Physics Preprint PDF DOI

Stability and breakdown of chiral motion in non-reciprocal flocking

Aditya Kumar Dutta, Swarnajit Chatterjee, Matthieu Mangeat, Raja Paul · 2026

We study a two-species Vicsek model with intra-species alignment and asymmetric inter-species couplings, where one species aligns with the other while the latter anti-aligns. Motivated by recent resul…

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AI & Data Science Preprint PDF DOI

Variational Autoencoder Domain Adaptation for Cross-System Generalization in ML-Based SOP Monitoring

Leyla Sadighi, Stefan Karlsson, Carlos Natalino, Mojtaba Eshghie, Fehmida Usmani, Eoin Kenny, Lena Wosinska, Paolo Monti, Marija Furdek, Marco Ruffini · 2026

Machine learning (ML) models trained to detect physical-layer threats on one optical fiber system often fail catastrophically when applied to a different system, due to variations in operating wavelen…

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