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Physics Preprint PDF DOI

Quenching of the proton $\pi0p_{3/2}$-$\pi0p_{1/2}$ spin-orbit splitting in $^{20}$O and the effect of the tensor force

J. Lois-Fuentes, B. Fernandez-Dominguez, T. Roger, F. Delaunay, M. Lozano-Gonzalez, O. Sorlin, T. Otsuka, T. Suzuki, N.L. Achouri, M. Caamano, C. Cabo, L. Caceres, A. Candiello, A. Cassisa, A. Ceulemans, F. Cresto, Q. Delignac, J.A. Duenas, D. Fernandez-Fernandez, S. Fracassetti, J. Giovinazzo, S. Grevy, G.F. Grinyer, V. Guimaraes, O. Kamalou, T. Kurtukian-Nieto, M.B. Latif, B. Mauss, C. Nicolle, A. Ortega-Moral, J. Pancin, J. Piot, O. Poleshchuk, R. Raabe, D. Ramos, D. Regueira-Castro, A.M. Sanchez-Benitez, J.C. Thomas, M. Vandebrouck, J.C. Zamora · 2026

We present the first direct measurement of the Z=6 shell gap in the neutron-rich 20O nucleus. The one-proton removal transfer reaction 2H(20O,3He)19N has been studied using the ACTAR TPC setup at GANI…

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AI & Data Science Preprint PDF DOI

Order Dependence in Regression by Composition: Discussion on "Regression by Composition'' by Farewell, Daniel, Stensrud, and Huitfeldt

Mei Dong, Linbo Wang, Lin Liu, Oliver Dukes · 2026

We discuss the regression-by-composition framework of Farewell, Daniel, Stensrud and Huitfeldt, highlighting a key consequence of its sequential construction: order dependence. Reordering the flows ma…

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AI & Data Science Preprint PDF DOI

A Parameter-Centric View on Regression

Jingxin Yan, Lin Liu, Oliver Dukes, Qizhai Li, Linbo Wang · 2026

Discussion on ``Regression by Composition'' by Farewell, Daniel, Stensrud, and Huitfeldt…

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AI & Data Science Preprint PDF DOI

Toward Variation-Independent Regression by Composition

Ruixuan Zhao, Oliver Dukes, Linbo Wang, Lin Liu · 2026

Discussion on "Regression by Composition" by Farewell, Daniel, Stensrud, and Huitfeldt.…

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AI & Data Science Preprint PDF DOI

How LLMs Might Think

Joseph Gottlieb, Ethan Kemp, Matthew Trager · 2026

Do large language models (LLMs) think? Daniel Stoljar and Zhihe Vincent Zhang have recently developed an argument from rationality for the claim that LLMs do not think. We contend, however, that the a…

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AI & Data Science Preprint PDF DOI

A Benchmark of State-Space Models vs. Transformers and BiLSTM-based Models for Historical Newspaper OCR

Merveilles Agbeti-messan, Thierry Paquet, Clement Chatelain, Pierrick Tranouez, Stephane Nicolas · 2026

End-to-end OCR for historical newspapers remains challenging, as models must handle long text sequences, degraded print quality, and complex layouts. While Transformer-based recognizers dominate curre…

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Mathematics Preprint PDF DOI

The boundary of K-moduli of prime Fano threefolds of genus twelve

Anne-Sophie Kaloghiros, Yuchen Liu, Andrea Petracci, Junyan Zhao · 2026

We study the K-moduli stack of prime Fano threefolds of genus twelve, known as $V_{22}$. We prove that its boundary, which parametrizes singular members, is purely divisorial and consists of four irre…

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Mathematics Preprint PDF DOI

90+ years of the Scottish Book

Stanis{l}aw Domoradzki, Ma{l}gorzata Stawiska, Mykhailo Zarichnyi · 2026

Inspired by the recent 90th anniversary of the Scottish Book we present some reflections about its impact. First we discuss new areas of mathematics it helped launch. Then we argue that it was activel…

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Mathematics Preprint PDF DOI

Iterated Graph Systems (I): random walks and diffusion limits

Ziyu Neroli · 2026

This paper investigates random walks and diffusion limits on a broad class of fractal graphs generated by Edge Iterated Graph Systems (EIGS). We study random walks on combinatorial limit graphs and es…

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Physics Preprint PDF DOI

Is Time Reversal in de Sitter Space a Spontaneously Broken Gauge Symmetry?

Leonard Susskind · 2026

I'll begin with some well-deserved acknowledgements: I am grateful to Daniel Harlow for discussions of time-reversal holonomies. I have also benefited from a long ongoing correspondence with Edward Wi…

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AI & Data Science Preprint PDF DOI

Implications of the Pessimistic Lower Limit on the Drake Equation

Max Baak, Hella Snoek · 2026

The observation of life on Earth is generally accepted to be uninformative concerning the probability of life on other Earth-like planets, a belief first formalized by Brandon Carter and based on the …

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Physics Preprint PDF DOI

Observational insights into Sr I 4607 \AA\ scattering polarization with DKIST/ViSP

Franziska Zeuner, Ernest Alsina Ballester, Luca Belluzzi, Roberto Casini, David M. Harrington, Tanausu del Pino Aleman, Javier Trujillo Bueno · 2026

Scattering polarization signals in the Sr I 4607 \AA\ spectral line are among the strongest originating from the solar photosphere, offering a powerful diagnostic of tangled magnetic fields in the 3--…

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Physics Preprint PDF DOI

Spectroscopic analysis and RHD modeling of the first Ca II H and H-epsilon flare spectra from DKIST/ViSP

Cole Tamburri, Adam Kowalski, Gianna Cauzzi, Maria Kazachenko, Alexandra Tritschler, Rahul Yadav, Ryan French, Yuta Notsu, Kevin Reardon, Isaiah Tristan · 2026

We analyze decay phase observations of the GOES class C6.7 flare SOL2022-08-19T20:31 by the Visible Spectropolarimeter (ViSP) on the National Science Foundation's Daniel K. Inouye Solar Telescope (DKI…

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Computer Science Preprint PDF DOI

Computing Distinguishing Formulae for Threshold-Based Behavioural Distances

Jonas Forster, Lutz Schroder, Paul Wild, Barbara Konig, Pedro Nora · 2026

Behavioural distances generally offer more fine-grained means of comparing quantitative systems than two-valued behavioural equivalences. They often relate to quantitative modalities, which generate q…

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Physics Preprint PDF DOI

Assessment of DKIST/VTF Capabilities for the Detection of Local Acoustic Source Wavefronts

Corinne Morrell, Mark P. Rast, Shah Mohammad Bahauddin, Ivan Milic · 2026

Recent studies have demonstrated that temporal filtering can successfully identify local-acoustic-source wavefronts in radiative magnetohydrodynamic simulations of the solar photosphere. Extending thi…

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AI & Data Science Preprint PDF DOI

Didactic to Constructive: Turning Expert Solutions into Learnable Reasoning

Ethan Mendes, Jungsoo Park, Alan Ritter · 2026

Improving the reasoning capabilities of large language models (LLMs) typically relies either on the model's ability to sample a correct solution to be reinforced or on the existence of a stronger mode…

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Mathematics Preprint PDF DOI

Classification of horospherical invariant measures in higher rank: The Full Story

Inhyeok Choi, Dongryul M. Kim · 2026

In this paper, we classify horospherical invariant Radon measures for Anosov subgroups of arbitrary semisimple real algebraic groups. This generalizes the works of Burger and Roblin in rank one to hig…

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Physics Preprint PDF DOI

Performance of the Particle-Identification Silicon-Telescope Array Coupled with the VAMOS++ Magnetic Spectrometer

L. Begue-Guillou, A. Lemasson, P. Morfouace, D. Ramos, J. Taieb, J.D. Frankland, M. Rejmund, G. Fremont, P. Gangnant, A. Cobo-Zarzuelo, N. Kumar, T. Efremov, A. Chatillon, E. Clement, G. De France, A. Francheteau, I. Jangid, C. Lenain, D. Mauss, T. Tanaka, L. Audoin, M. Caamano, B. Errandonea, M. Godio, D. Gruyer, B. Jacquot, M. Lalande, R. C. Malone, A. Munoz, A. P. D. Ramirez, J. L. Rodriguez-Sanchez, C. Schmitt, O. Syrett, C. Surrault, A. P. Tonchev · 2026

The Particle-Identification Silicon-Telescope Array (PISTA) is a new detection system designed for high-resolution studies of the fission process induced by multi-nucleon transfer in inverse kinematic…

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Mathematics Preprint PDF DOI

Statistical Robustness of Interval CVaR Based Regression Models under Perturbation and Contamination

Yulei You, Junyi Liu · 2026

Robustness under perturbation and contamination is a prominent issue in statistical learning. We address the robust nonlinear regression based on the so-called interval conditional value-at-risk (In-C…

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Mathematics Preprint PDF DOI

The divisor function along sums of two biquadrates

Wing Hong Leung, Mayank Pandey · 2026

We establish power saving asymptotics for the sum of the divisor function along a binary quartic form, improving on work of Daniel. The proof involves an application of a recent two dimensional delta …

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