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AI & Data Science Preprint PDF DOI

Exponential families from a single KL identity

Marc Dymetman ยท 2026

Exponential families encompass the distributions central to modern machine learning -- softmax, Gaussians, and Boltzmann distributions -- and underlie the theory of variational inference, entropy-reguโ€ฆ

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Physics Preprint PDF DOI

Mixture-aware closure of the N-phase Navier--Stokes--Cahn--Hilliard mixture model

M.F.P. ten Eikelder, A. Brunk ยท 2026

Diffuse-interface (phase-field) models are widely used to describe multiphase mixtures and their interfacial dynamics. In multiphase settings, however, the constitutive closure should remain meaningfuโ€ฆ

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AI & Data Science Preprint PDF DOI

LLMs as ASP Programmers: Self-Correction Enables Task-Agnostic Nonmonotonic Reasoning

Adam Ishay, Joohyung Lee ยท 2026

Recent large language models (LLMs) have achieved impressive reasoning milestones but continue to struggle with high computational costs, logical inconsistencies, and sharp performance degradation on โ€ฆ

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AI & Data Science Preprint PDF DOI

A Collective Variational Principle Unifying Bayesian Inference, Game Theory, and Thermodynamics

Djamel Bouchaffra, Faycal Ykhlef, Mustapha Lebbah, Hanane Azzag ยท 2026

Collective intelligence emerges across biological, physical, and artificial systems without central coordination, yet a unifying principle governing such behaviour remains elusive. The Free Energy Priโ€ฆ

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Computer Science Preprint PDF DOI

NeocorRAG: Less Irrelevant Information, More Explicit Evidence, and More Effective Recall via Evidence Chains

Shiyao Peng, Qianhe Zheng, Zhuodi Hao, Zichen Tang, Rongjin Li, Qing Huang, Jiayu Huang, Jiacheng Liu, Yifan Zhu, Haihong E ยท 2026

Although precise recall is a core objective in Retrieval-Augmented Generation (RAG), a critical oversight persists in the field: improvements in retrieval performance do not consistently translate to โ€ฆ

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Computer Science Preprint PDF DOI

Social Media Data Toolkit: Standardization and Anonymization of Social Network Datasets

Ali Najafi, Letizia Iannucci, Mikko Kivela, Onur Varol ยท 2026

The rapid diversification of social media platforms and the increasing restrictions on official APIs have significantly complicated cross-platform analysis. Researchers are often forced to rely on hetโ€ฆ

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AI & Data Science Preprint PDF DOI

FUN: A Focal U-Net Combining Reconstruction and Object Detection for Snapshot Spectral Imaging

Dahua Gao, Yubo Dong, Anqi Li, Zhenyuan Lin, Ang Gao, Danhua Liu, Guangming Shi ยท 2026

Conventional push-broom hyperspectral imaging suffers from slow acquisition speeds, precluding real-time object detection; in contrast, snapshot spectral imaging enables instantaneous hyperspectral imโ€ฆ

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AI & Data Science Preprint PDF DOI

Diagnosing Capability Gaps in Fine-Tuning Data

Saeid Asgari Taghanaki, Rakshanda Agarwal, Bruce Sun, Rohan Jha, Elias Stengel-Eskin, Sara Malvar, Rui Ying, Yifei Xu, Guilherme Potje, Tusher Chakraborty, Leonardo de Oliveira Nunes, Ranveer Chandra, Emre Kiciman ยท 2026

Fine-tuning large language models (LLMs) for domain-specific tasks requires training datasets that comprehensively cover the target capabilities a practitioner needs. Yet identifying which capabilitieโ€ฆ

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Physics Preprint PDF DOI

Dissipation Mechanisms and Dissipative Phase Transitions of two coupled Fully Connected Quantum Ising models

Bidyut Dey, Andrea Nava, Domenico Giuliano ยท 2026

We study dissipative phase transitions in a system of two coupled fully-connected quantum Ising models interacting with an environment. The dynamics is governed by a Lindblad master equation combiningโ€ฆ

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Physics Preprint PDF DOI

Outer-Crust Equations of State for Neutron Stars

P.S. Koliogiannis, N. Paar ยท 2026

We construct and systematically assess four outer-crust equations of state based on relativistic nuclear mass models and a machine-learning mass table. Our aim is to quantify the sensitivity of the eqโ€ฆ

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Physics Preprint PDF DOI

Bayesian component separation and power spectrum estimation for 21 cm intensity mapping data cubes

Geoff G. Murphy, Philip Bull, Mario G. Santos, Zheng Zhang, Steven Cunnington ยท 2026

Foreground removal remains an ongoing challenge in radio cosmology, and increasingly sensitive experiments necessitate more robust analysis techniques. In this work, we model simulated data from a sinโ€ฆ

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Physics Preprint PDF DOI

Bayesian power spectrum estimation with modelling of systematic effects in delay-fringe rate space

Sohini Dutta, Philip Bull, Jacob Burba, Michael J. Wilensky, Zheng Zhang, Ainulnabilah Nasirudin ยท 2026

Observing the Epoch of Reionisation using 21cm radio interferometry has proven to be a challenging task. Extraction of the extremely faint redshifted signal is complicated by the presence of bright foโ€ฆ

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Physics Preprint PDF DOI

Constitutive Modelling of Korteweg Fluids Using Liu's Method

Zagorka Matic, Srboljub Simic, Peter Van ยท 2026

The paper studies constitutive modelling of Korteweg fluids. Thermodynamic consistency, i.e. compatibility with entropy balance law, is achieved using Liu's method of multipliers. Appropriate constituโ€ฆ

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AI & Data Science Preprint PDF DOI

Hearing the Room Through the Shape of the Drum: Modal-Guided Sound Recovery from Multi-Point Surface Vibrations

Shai Bagon, Matan Kichler, Mark Sheinin ยท 2026

Optical vibration sensing enables recovering the scene sound directly from the surface vibration of nearby objects, turning everyday objects into ``visual microphones''. However, most prior methods haโ€ฆ

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Physics Preprint PDF DOI

Reservoir-mediated spin entanglement in the mean-force Gibbs state

L. A. Williamson, W. McEniery, F. Cerisola, J. Anders ยท 2026

Two qubits strongly coupled to a common bosonic reservoir can become entangled with each other, despite having no direct interaction. In equilibrium, such coupling-induced coherences can be described โ€ฆ

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AI & Data Science Preprint PDF DOI

Tree-of-Text: A Tree-based Prompting Framework for Table-to-Text Generation in the Sports Domain

Shang-Hsuan Chiang, Tsan-Tsung Yang, An-Zi Yen, Wen-Chih Peng ยท 2026

Generating sports game reports from structured tables is a complex table-to-text task that demands both precise data interpretation and fluent narrative generation. Traditional model-based approaches โ€ฆ

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Physics Preprint PDF DOI

Coexistence of patterned phases in chemically active multicomponent mixtures

Chengjie Luo, Yicheng Qiang, Guido L. A. Kusters, David Zwicker ยท 2026

Chemically active mixtures exhibit complex patterns that emerge from the interplay of physical interactions and reactions among components. Individually, these two processes are well-understood: Physiโ€ฆ

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AI & Data Science Preprint PDF DOI

Which Face and Whose Identity? Solving the Dual Challenge of Deepfake Proactive Forensics in Multi-Face Scenarios

Lei Zhang, Zhiqing Guo, Dan Ma, Gaobo Yang ยท 2026

Unlike single-face forgeries, deepfakes in complex multi-person interaction scenarios (such as group photos and multi-person meetings) more closely reflect real-world threats. Although existing proactโ€ฆ

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Physics Preprint PDF DOI

A Thermodynamic Analysis of Enhanced Metastability in Isochoric Supercooled Liquids

Boris Rubinsky ยท 2026

Experiments show that isochoric (constant-volume) conditions enhance supercooling stability relative to isobaric (constant-pressure) conditions. Here, combining Helmholtz equilibrium thermodynamics wiโ€ฆ

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Engineering Preprint PDF DOI

Risk Assessments for Evasive Emergency Maneuvers in Autonomous Vehicles

Aliasghar Arab, Milad Khaleghi, Koorosh Aslansefat ยท 2026

This paper presents a systematic verification and validation (V\&V) framework for the Evasive Minimum Risk Maneuver (EMRM) feature in autonomous vehicles, addressing a critical gap in existing safety โ€ฆ

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