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AI & Data Science Preprint PDF DOI

Self-Supervised Representation Learning via Hyperspherical Density Shaping

Esteban Rodriguez-Betancourt, Edgar Casasola-Murillo ยท 2026

Modern self-supervised representation learning methods often relies on empirical heuristics that are not theoretically grounded. In this study we propose HyDeS, a theoretically grounded method based oโ€ฆ

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Chemistry Preprint PDF DOI

A Machine-Learned Symbolic Committor for a Chemical Reaction: Retinal Isomerization

Kai Topfer, Gianmarco Lazzeri, Vittoria Ossanna, Florian Renner, Gianluca Lattanzi, Roberto Covino, Bettina G. Keller ยท 2026

The thermal cis-trans isomerization around the C$_{13}$=C$_{14}$ double bond of retinal is a prototypical high-barrier reaction whose mechanism hinges on subtle out-of-plane bending motions. We apply โ€ฆ

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Physics Preprint PDF DOI

The Vertical Structure and Asymmetry of Mg ii-enriched Gas in the Milky Way Disk

Xiaochuan Jiang, Taotao Fang, Shulan Yan ยท 2026

The physical properties of Milky Way Mgii-bearing gas remain poorly constrained due to the saturation of the near-UV doublet. We utilize the weaker Mgii $\lambda\lambda$1239, 1240 doublet from 482 arcโ€ฆ

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AI & Data Science Preprint PDF DOI

Neural Grammatical Error Correction for Romanian

Teodor-Mihai Cotet, Stefan Ruseti, Mihai Dascalu ยท 2026

Resources for Grammatical Error Correction (GEC) in non-English languages are scarce, while available spellcheckers in these languages are mostly limited to simple corrections and rules. In this paperโ€ฆ

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Computer Science Preprint PDF DOI

Reducing Detail Hallucinations in Long-Context Regulatory Understanding via Targeted Preference Optimization

Yang Liu, Bin Chong, Yuhan Lin, Chongyang Zhang, Hao Zheng, Ziyi Zhang, Jiayu Liang, Ran Ran, Qian Li, Kefu Xu ยท 2026

Large language models (LLMs) frequently produce \emph{detail hallucinations} when processing long regulatory documents, including subtle errors in threshold values, units, scopes, obligation levels, aโ€ฆ

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AI & Data Science Preprint PDF DOI

Hard to See, Hard to Label: Generative and Symbolic Acquisition for Subtle Visual Phenomena

Renjith Prasad, Rishabh Sharma, Andrew E. Shao, Annmary Justine Koomthanam, Shreyas Kulkarni, Suparna Bhattacharya, Martin Foltin, Amit Sheth, David Orozco, Matthew Quinn, Brian Sammuli ยท 2026

Subtle visual anomalies such as hairline cracks, sub-millimeter voids, and low-contrast inclusions are structurally atypical yet visually ambiguous, making them both difficult to annotate and easy to โ€ฆ

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AI & Data Science Preprint PDF DOI

BERAG: Bayesian Ensemble Retrieval-Augmented Generation for Knowledge-based Visual Question Answering

Jinghong Chen, Jingbiao Mei, Guangyu Yang, Bill Byrne ยท 2026

A common approach to question answering with retrieval-augmented generation (RAG) is to concatenate documents into a single context and pass it to a language model to generate an answer. While simple,โ€ฆ

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Computer Science Preprint PDF DOI

FlashSpread: IO-Aware GPU Simulation of Non-Markovian Epidemic Dynamics via Kernel Fusion

Heman Shakeri, Behnaz Moradi-Jamei, Aram Vajdi, Ehsan Ardjmand ยท 2026

Non-Markovian (renewal) epidemic simulation on multi-million-node contact networks is essential for realistic forecasting under general age-dependent holding-time distributions (log-normal, Weibull, Eโ€ฆ

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Physics Preprint PDF DOI

A SPHEREx Pipeline and Spectral Library for Ultracool Dwarfs

Jonathan Gagne, Jacqueline K. Faherty, Azul Ruiz Diaz, Louis-Philippe Coulombe, Thomas P. Bickle, Adam C. Schneider, J. Davy Kirkpatrick, Marc J. Kuchner, Aaron M. Meisner, Dan Caselden, Adam J. Burgasser, Sarah Casewell, Easton J. Honaker, Frank Kiwy, Federico Marocco, Nikolaj Stevnbak Andersen, Lizzeth Ruiz Arroyo, Bruce Baller, Paul Beaulieu, John Bell, Martin Bilsing, Troy K. Bohling, Guillaume Colin, Giovanni Colombo, Sam Deen, Alexandru Dereveanco, Kevin Dixon, Hugo A. Durantini Luca, Deiby Flores, Christoph Franck, Christopher Fulvi, Michael Gallmann, Jean Marc Gantier, Konstantin Glebov, Leopold Gramaize, Leslie K. Hamlet, Ken Hinckley, Kevin Jablonski, Peter A. Ja{l}owiczor, Martin Kabatnik, Peter Kasprowitz, K Ly, David W. Martin, Naoufel Marzak, Alexander McColgan, Neil J. McEwan, Marianne N. Michaels, William Pendrill, Stephane Perlin, Ben Pumphrey, James Rabe, Henry Raway, Walter Ruben Robledo, David Roser, Animesh Roy, Arttu Sainio, Vincent Schindler, Manfred Schonau, Jo rg Schumann, Karl Selg-Mann, Andrea Serio, Patrick Smith, Andres Stenner, Christopher Tanner, Melina Thevenot, Vinod Thakur, Mayahuel Torres Guerrero, Maurizio Ventura, Nikita V. Voloshin, Jim Walla, Zbigniew Wedracki, Bailey Weyandt, Breck Wilhite, Spartacus Zitouni ยท 2026

We present a Python spectrophotometry extraction tool tailored for fast-moving point sources detected in the SPHEREx mission, and use it to construct a set of 0.75-5.0 {\mu}m low-resolution ({\lambda}โ€ฆ

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Earth & Environmental Sciences Preprint PDF DOI

MINDS: Intertwined evolution of dust and gas in large planet-forming disks. A diversity driven by halted pebble drift?

Benoit Tabone, Milou Temmink, Laurens B. F. M. Waters, Ewine F. van Dishoeck, Andrew Sellek, Pacome Esteve, Nicolas T. Kurtovic, Inga Kamp, Thomas Henning, Danny Gasman, Sierra L. Grant, Jozsef Varga, Alice Guerras, Dmitry Semenov, Aditya M. Arabhavi, Alessio Caratti o Garatti, Anne Dutrey, Edwige Chapillon, Stephane Guilloteau, Manuel Gudel, Hyerin Jang, Till Kaeufer, Jayatee Kanwar, Goran Olofsson, Giulia Perotti, Vincent Pietu, Thomas P. Ray, Marissa Vlasblom ยท 2026

(Abridged) We aim to investigate the inner regions of large and massive disks orbiting T Tauri stars, thought to be progenitors of systems with wide-orbit planets and possible cases of halted pebble dโ€ฆ

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AI & Data Science Preprint PDF DOI

Cross-Entropy Is Load-Bearing: A Pre-Registered Scope Test of the K-Way Energy Probe on Bidirectional Predictive Coding

Jon-Paul Cacioli ยท 2026

Cacioli (2026) showed that the K-way energy probe on standard discriminative predictive coding networks reduces approximately to a monotone function of the log-softmax margin. The reduction rests on fโ€ฆ

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Economics & Finance Preprint PDF DOI

Post-AGI Economies: Autonomy and the First Fundamental Theorem of Welfare Economics

Elija Perrier ยท 2026

The First Fundamental Theorem of Welfare Economics assumes that welfare-bearing agents are autonomous and implicitly relies on a binary distinction between autonomy and instrumentality. Welfare subjecโ€ฆ

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Computer Science Preprint PDF DOI

Fresh Masking Makes NTT Pipelines Composable: Machine-Checked Proofs for Arithmetic Masking in PQC Hardware

Ray Iskander, Khaled Kirah ยท 2026

Post-quantum cryptographic (PQC) accelerators for ML-KEM (FIPS 203) and ML-DSA (FIPS 204) rely on pipelined Number Theoretic Transform (NTT) stages over $\mathbb{Z}_q$. Our prior work established struโ€ฆ

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Physics Preprint PDF DOI

Superconductivity in bilayer La$_3$Ni$_2$O$_7$: A review focusing on the strong-coupling Hund's rule assisted pairing mechanism

Zhiming Pan, Chen Lu, Fan Yang, Congjun Wu ยท 2026

Discovery of high-$T_c$ superconductivity (SC) in the bilayer nickelate series La$_3$Ni$_2$O$_7$ have attracted substantial interest, providing a new platform for exploring unconventional SC. Certain โ€ฆ

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Physics Preprint PDF DOI

Controlling microgel morphology and swelling behavior by copolymerization

Domenico Truzzolillo, Thomas Hellweg, Julian Oberdisse ยท 2026

The thermosensitive behavior of microgel particles suspended in solvents, i.e. their temperature-dependent swelling properties, has triggered ongoing interest in industry and academia over the past foโ€ฆ

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AI & Data Science Preprint PDF DOI

ActuBench: A Multi-Agent LLM Pipeline for Generation and Evaluation of Actuarial Reasoning Tasks

Jan-Philipp Schmidt ยท 2026

We present ActuBench, a multi-agent LLM pipeline for the automated generation and evaluation of advanced actuarial assessment items aligned with the International Actuarial Association (IAA) Educationโ€ฆ

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AI & Data Science Preprint PDF DOI

Stateless Decision Memory for Enterprise AI Agents

Vasundra Srinivasan ยท 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 increaโ€ฆ

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AI & Data Science Preprint PDF DOI

Multi-Objective Reinforcement Learning for Generating Covalent Inhibitor Candidates

Renee Gil ยท 2026

Rational design of covalent inhibitors requires simultaneously optimizing multiple properties, such as binding affinity, target selectivity, or electrophilic reactivity. This presents a multi-objectivโ€ฆ

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AI & Data Science Preprint PDF DOI

AnyRecon: Arbitrary-View 3D Reconstruction with Video Diffusion Model

Yutian Chen, Shi Guo, Renbiao Jin, Tianshuo Yang, Xin Cai, Yawen Luo, Mingxin Yang, Mulin Yu, Linning Xu, Tianfan Xue ยท 2026

Sparse-view 3D reconstruction is essential for modeling scenes from casual captures, but remain challenging for non-generative reconstruction. Existing diffusion-based approaches mitigates this issuesโ€ฆ

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Computer Science Preprint PDF DOI

A Projection-Dimension Barrier for Direct Aggregation on the Step-Duplicating Primitive Recursor

Moses Rahnama ยท 2026

We identify \emph{operational inexpressibility}: for a fixed input and dimension of term-rewriting proof systems, no derivation in the proof language both depends on that dimension and constrains the โ€ฆ

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