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AI & Data Science Preprint PDF DOI

AIM-Bench: Benchmarking and Improving Affective Image Manipulation via Fine-Grained Hierarchical Control

Shi Chen, Xuecheng Wu, Heli Sun, Yunyun Shi, Xinyi Yin, Fengjian Xue, Jinheng Xie, Dingkang Yang, Hao Wang, Junxiao Xue, Liang He · 2026

Affective Image Manipulation (AIM) aims to evoke specific emotions through targeted editing. Current image editing benchmarks primarily focus on object-level modifications in general scenarios, lackin…

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Mathematics Preprint PDF DOI

Forest webs and pattern avoidance

Jessica Striker, Bridget Eileen Tenner · 2026

In a recent preprint, Mike Cummings showed that the smooth components of suitably parametrized Springer fibers are in bijection with contracted, fully reduced Pl\"ucker degree-two $\mathfrak{sl}_r$-we…

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Mathematics Preprint PDF DOI

Additive Subtraction Games

Urban Larsson, Hikaru Manabe · 2026

We determine the full nim-value structure of additive subtraction games in the {\em primitive quadratic} regime. The problem appears in Winning Ways by Berlekamp et al. in 1982; it includes a closed f…

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Economics & Finance Preprint PDF DOI

Metaorder modelling and identification from public data

Ezra Goliath, Tim Gebbie · 2026

Market-order flow in financial markets exhibits long-range correlations. This is a widely known stylised fact of financial markets. A popular hypothesis for this stylised fact comes from the Lillo-Mik…

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Mathematics Preprint PDF DOI

Semigroup Solutions for A Multilayered Filtration System

George Avalos, Galen Richard, Justin T. Webster · 2026

We investigate solutions to a coupled system of partial differential equations that describe a multilayered filtration system. Namely, we study the interaction of a viscous incompressible flow with bu…

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Physics Preprint PDF DOI

The chemical DNA of the Magellanic Clouds V. R-process dominates neutron capture elements production in the oldest SMC stars

Lorenzo Santarelli, Marco Palla, Alessio Mucciarelli, Lorenzo Monaco, Deimer Antonio Alvarez Garay, Donatella Romano, Carmela Lardo · 2025

We present the chemical abundances of Fe, alpha- and neutron-capture elements in 12 metal-poor Small Magellanic Cloud (SMC) giant stars, observed with the high-resolution spectrographs UVES/VLT and MI…

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Physics Preprint PDF DOI

Detailed Chemical Abundance Analysis of the Brightest Stars in the Turranburra and Willka Yaku Stellar Streams

Kaitlin B. Webber, Terese T. Hansen, Jennifer L. Marshall, Alexander P. Ji, Ting S. Li, Gary S. Da Costa, Lara R. Cullinane, Denis Erkal, Sergey E. Koposov, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Sarah L. Martell, Andrew B. Pace, Nora Shipp, Jeffrey D. Simpson, Zhen Wan, Daniel B. Zucker, Victor A. Alvarado, Joss Bland-Hawthorn, Guilherme Limberg, Gustavo E. Medina, Sam A. Usman · 2025

We present a detailed chemical abundance analysis of the three brightest known stars from each of the Turranburra and Willka Yaku stellar streams using high-resolution Magellan/MIKE spectra. Abundance…

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AI & Data Science Preprint PDF DOI

A Conversation with Mike West

Hedibert F. Lopes, Filippo Ascolani · 2025

Mike West is currently the Arts & Sciences Distinguished Professor Emeritus of Statistics and Decision Sciences at Duke University. Mike's research in Bayesian analysis spans multiple interlinked area…

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Physics Preprint PDF DOI

Egent: An Autonomous Agent for Equivalent Width Measurement

Yuan-Sen Ting, Serat Mahmud Saad, Fan Liu, Yuting Shen · 2025

We present Egent, an autonomous agent that combines classical multi-Voigt profile fitting with large language model (LLM) visual inspection and iterative refinement. The fitting engine is built from s…

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Earth & Environmental Sciences Preprint PDF DOI

A Comprehensive Review of Phase-Averaged and Phase-Resolving Wave Models for Coastal Modeling Applications

Md Meftahul Ferdaus, Nathan Alton Cooper, Austin B. Schmidt, Pujan Pokhrel, Elias Ioup, Mahdi Abdelguerfi, Julian Simeonov · 2025

Predicting ocean wave behavior is challenging due to the difficulty in choosing suitable numerical models among many with varying capabilities. This review examines the development and performance of …

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AI & Data Science Preprint PDF DOI

egoEMOTION: Egocentric Vision and Physiological Signals for Emotion and Personality Recognition in Real-World Tasks

Matthias Jammot, Bjorn Braun, Paul Streli, Rafael Wampfler, Christian Holz · 2025

Understanding affect is central to anticipating human behavior, yet current egocentric vision benchmarks largely ignore the person's emotional states that shape their decisions and actions. Existing t…

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Physics Preprint PDF DOI

A search for black holes with metal-poor stellar companions: I. Survey sample selection and single epoch radial velocity follow-up

Casey Y. Lam, Joshua D. Simon, Kareem El-Badry, Howard Isaacson, Daniel D. Kelson, Jessica Lu · 2025

Stellar-mass black holes (BHs) above $30 M_\odot$ are predicted to form from low-metallicity progenitors, but direct detections of such systems in the Milky Way remain scarce. Motivated by the recent …

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Physics Preprint PDF DOI

The chemical DNA of the Magellanic Clouds III. The first, extragalactic Mg-K anticorrelation: the LMC globular cluster NGC 1786

Deimer Antonio Alvarez Garay, Alessio Mucciarelli, Lorenzo Monaco · 2025

In this work we derived [K/Fe] and [Mg/Fe] abundance ratios for six stars of the old globular cluster NGC 1786 in the Large Magellanic Cloud. We employed high-resolution spectra acquired with the MIKE…

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Physics Preprint PDF DOI

Probing the \ion{He}{2} re-Ionization ERa via Absorbing \ion{C}{4} Historical Yield (HIERACHY) IV: A complex redshifted absorption system intrinsic to quasar

Huiyang Mao, Jiang-Tao Li, Xiaodi Yu, Zhijie Qu, Weizhe Liu, Li Ji · 2025

High-resolution spectra provide a powerful tool in studying the associated absorption lines (AALs) in quasars. We present a case study of the quasar J014741-030247 at $z \sim$ 4.75, which hosts comple…

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Earth & Environmental Sciences Preprint PDF DOI

Vanishing Refractories: Tracing Dust Evolution in the BP Tau Protoplanetary Disk

Marbely Micolta, Justin Svarc, Nuria Calvet, Ezequiel Manzo-Martinez, Thanawuth Thanathibodee, Gladis Magris C, Avalon Littwiller · 2025

We present a multi-wavelength analysis of the dust of BP Tau's protoplanetary disk. We use new optical spectra of BP Tau, taken with the Magellan/MIKE spectrograph in tandem with archival UV and mid-i…

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Mathematics Preprint PDF DOI

The Single Ring Theorem and a Question of Shub

Joshua Paik · 2025

Given an orthogonally invariant probability measure on $GL(d,\mathbb{R})$, Mike Shub asked whether the average product of the $k$ top eigenvalues in the ensemble can be lower bounded by the average di…

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Mathematics Preprint PDF DOI

Convergence of pushforward measures for certain countably piecewise linear Markov maps

Zoltan Kalocsai · 2025

We study piecewise linear Markov maps, with countable Markov partitions, inspired by a problem of the Mikl\'os Schweitzer competition in 2022. We introduce $\ell$-Markov partitions and apply ideas of …

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Physics Preprint PDF DOI

Shocks and complex chemodynamics in the metal-poor starburst galaxy CGCG 007-025 revealed through high-resolution echelle spectroscopy

Macarena G. del Valle-Espinosa, Vital Fernandez, Ruben Sanchez-Janssen, Ricardo Amorin, Karla Z. Arrellano-Cordova, Konstantina Boutsia · 2025

We use Magellan/MIKE echelle spectroscopy to conduct an in-depth chemodynamical analysis of the most luminous star-forming region within the metal-poor starburst dwarf galaxy CGCG 007-025. Leveraging …

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Mathematics Preprint PDF DOI

Symbolic dynamics, shadowing and representation of real numbers with some countably piecewise linear Markov maps

Zoltan Kalocsai · 2025

We study piecewise linear Markov maps, with countable Markov partitions, inspired by a problem of the Mikl\'os Schweitzer competition of the J\'anos Bolyai Mathematical Society in 2022. We introduce $…

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Mathematics Preprint PDF DOI

Invariant strictly convex renormings

Michal Doucha · 2025

Motivated by the question of Mikael de la Salle, we investigate the problem of the existence of equivalent strictly convex norms on Banach spaces that are invariant with respect to an action of a grou…

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