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Physics Preprint PDF DOI

Topochemical Fluorination of La$_2$NiO$_{4+\delta}$ Single Crystals

Hasan Yilmaz, Masahiko Isobe, Oliver Clemens, Pascal Puphal · 2026

Topochemical fluorination offers a low--temperature route for modifying the anion chemistry and electronic ground states of layered transition-metal oxides, providing access to metastable phases and f…

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AI & Data Science Preprint PDF DOI

Can LLMs Act as Historians? Evaluating Historical Research Capabilities of LLMs via the Chinese Imperial Examination

Lirong Gao, Zeqing Wang, Yuyan Cai, Jiayi Deng, Yanmei Gu, Yiming Zhang, Jia Zhou, Yanfei Zhang, Junbo Zhao · 2026

While Large Language Models (LLMs) have increasingly assisted in historical tasks such as text processing, their capacity for professional-level historical reasoning remains underexplored. Existing be…

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Physics Preprint PDF DOI

Nitrogen doping induced metal-insulator transition with iso-symmetric character in rutile VO2

Baichen Lin, Shanquan Chen, Yubo Zhang, Yangyang Si, Haoliang Huang, Chuanrui Huo, Frans Munnik, Yongqi Dong, Lu You, Jian Shao, Yu-Chieh Ku, Nguyen Nhat Quyen, Aryan Keshri, Zhenlin Luo, Weiwei Zhao, Chun-Fu Chang, Chih-Wei Luo, Sujit Das, Shiqing Deng, Chang-Yang Kuo, Zuhuang Chen · 2026

Metal-insulator transitions (MITs) in correlated oxides offer immense potential for next-generation Mottronic devices. However, their integration into practical applications is often hindered by the c…

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Physics Preprint PDF DOI

East Asian VLBI Network astrometry toward the star-forming region G040.96+02.48 in the Extreme Outer Galaxy

Xianjin Shen, Zehao Lin, Nobuyuki Sakai, Ye Xu, Shuaibo Bian, Yuanwei Wu, Yan Sun, Dejian Liu, Jingjing Li, Bo Zhang, Shuangjing Xu, Tomoaki Oyama, Chungsik Oh, Wu Jiang, Lang Cui, Pengfei Jiang, Guanghui Li, Mareki Honma, Se-Jin Oh, Zhi-Qiang Shen, Na Wang · 2026

Accurate astrometric measurements for star-forming regions located on the far side of the Milky Way remain scarce. In this work, we present the astrometric results for a 22\,GHz water maser associated…

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AI & Data Science Preprint PDF DOI

Using Embedding Models to Improve Probabilistic Race Prediction

Noah Dasanaike, Kosuke Imai · 2026

Estimating racial disparity requires individual-level race data, which are often unavailable due to the sensitivity of collecting such information. To address this problem, many researchers utilize Ba…

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Economics & Finance Preprint PDF DOI

Pricing and Hedging Financial Derivatives in Merger\&Acquisition Deals with Price Impact

Emilio Barucci, Yuheng Lan, Daniele Marazzina · 2026

We investigate the optimal execution of contracts that are used in merger\&acquisition deals. We consider cash-settled and physically delivered contracts between a broker and a counterpart. Contracts …

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Mathematics Preprint PDF DOI

Existence and uniqueness for singular stochastic differential equations with piecewise well-behaved coefficients

Sara Mazzonetto, Benoit Nieto · 2026

We study existence and uniqueness for one-dimensional generalized stochastic differential equations with singular coefficients, including distributional drift and degenerate, possibly discontinuous, d…

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AI & Data Science Preprint PDF DOI

Data Integration for Estimating Subgroup-Specific Conditional Average Treatment Effects (CATEs) Using Coarsened External Information in Randomized Trials

Youqi Yang, Walter Dempsey, Bhramar Mukherjee · 2026

Randomized controlled trials (RCTs) are often underpowered to detect treatment heterogeneity in subgroups defined by cross-classifications of multiple covariates, due to sparse sample sizes in some st…

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Economics & Finance Preprint PDF DOI

Educational Mobility Across Multiple Generations in Indonesia

Sarah Cattan, Antonio Dalla-Zuanna, Jan Stuhler, Po Yin Wong · 2026

Standard intergenerational measures have been shown to understate the long-run persistence of socioeconomic advantages in developed countries. We study theoretically and empirically whether this patte…

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Biology & Life Sciences Preprint PDF DOI

Distinct Structural Dynamics of the Semiquinone State Define a Signalling Pathway in Avian Cryptochrome

Monika Kish, Suchitra Pradhan, Jessica L. Ramsay, Paloma Munguia Salazar, Jonathan Phillips, Daniel R. Kattnig · 2026

The light-dependent magnetic compass of night-migratory songbirds is widely hypothesized to rely on the radical pair mechanism within retinal cryptochrome. However, bridging the mechanistic gap betwee…

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AI & Data Science Preprint PDF DOI

Rabies diagnosis in low-data settings: A comparative study on the impact of data augmentation and transfer learning

Khalil Akremi, Mariem Handous, Zied Bouslama, Farah Bassalah, Maryem Jebali, Mariem Hanachi, Ines Abdeljaoued-Tej · 2026

Rabies remains a major public health concern across many African and Asian countries, where accurate diagnosis is critical for effective epidemiological surveillance. The gold standard diagnostic meth…

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Computer Science Preprint PDF DOI

Homogeneous Network Caching is Fixed-Parameter Tractable Parameterized by the Number of Caches

Jozsef Pinter, Regina Stangl · 2026

Network caching asks how to place contents in distributed caches so that future requests are served close to their users. Ganian, Mc Inerney and Tsigkari recently initiated the parameterized-complexit…

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Physics Preprint PDF DOI

Modern Solid Electrolytes for All-Solid-State Batteries: Materials Chemistry, Structure, and Transport

Denys Butenko, Mustafa Khan, Liusuo Wu, Jinlong Zhu · 2026

In this review, from crystallographic symmetry to amorphous local polyhedra arrangement and combinations, we examine inorganic solid state electrolytes through the lens of structure property relations…

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Earth & Environmental Sciences Preprint PDF DOI

Planetary climate interactions of the Qinghai-Tibetan Plateau

Ziyan Wang, Teng Liu, Shang Wang, Sheng Fang, Jun Meng, Xiaosong Chen, Jurgen Kurths, Shlomo Havlin, Fahu Chen, Johan Rockstrom, Deliang Chen, Hans Joachim Schellnhuber, Jingfang Fan · 2026

The Qinghai-Tibetan Plateau (QTP), Earth's "Third Pole", profoundly shapes the Asian monsoon and regional climate and exerts far-reaching influence on the global climate system. Yet its role in organi…

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AI & Data Science Preprint PDF DOI

MAny: Merge Anything for Multimodal Continual Instruction Tuning

Zijian Gao, Wangwang Jia, Xingxing Zhang, Pengfei Qian, Tao Sun, Bo Ding, Yong Dou, Huaimin Wang, Kele Xu · 2026

Multimodal Continual Instruction Tuning (MCIT) is essential for sequential task adaptation of Multimodal Large Language Models (MLLMs) but is severely restricted by catastrophic forgetting. While exis…

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Physics Preprint PDF DOI

Anion Ordering and Phase Stability Govern Optical Band Gaps in BaZr(S,Se)3

Erik Fransson, Michael Xu, Prakriti Kayastha, Kevin Ye, Ida Sadeghi, Rafael Jaramillo, James M. LeBeau, Lucy Whalley, Paul Erhart · 2026

Chalcogenide perovskites have emerged as promising lead free materials for photovoltaic and thermoelectric applications. Among them, BaZrS3 has attracted particular attention due to its thermal and ch…

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Chemistry Preprint PDF DOI

Ion-Specific Anomalous Water Diffusion in Aqueous Electrolytes: A Machine-Learned Many-Body Force Field Study with MACE

Massimo Ciacchi, Ilnur Saitov, Nico Di Fonte, Isabella Daidone, Carlo Pierleoni · 2026

The dynamics of water in electrolyte solutions exhibits a striking, ion-specific anomaly: the diffusion coefficient of water is enhanced relative to the neat liquid in chaotropic CsI solutions, yet su…

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AI & Data Science Preprint PDF DOI

Failure Ontology: A Lifelong Learning Framework for Blind Spot Detection and Resilience Design

Yuan Sun, Hong Yi, Jinyuan Liu · 2026

Personalized learning systems are almost universally designed around a single objective: help people acquire knowledge and skills more efficiently. We argue this framing misses the more consequential …

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Computer Science Preprint PDF DOI

DeepForestSound: a multi-species automatic detector for passive acoustic monitoring in African tropical forests, a case study in Kibale National Park

Gabriel Dubus, Theau d'Audiffret, Claire Auger, Raphael Cornette, Sylvain Haupert, Innocent Kasekendi, Raymond Katumba, Hugo Magaldi, Lise Pernel, Harold Rugonge, Jerome Sueur, John Justice Tibesigwa, Sabrina Krief · 2026

Passive Acoustic Monitoring (PAM) is widely used for biodiversity assessment. Its application in African tropical forests is limited by scarce annotated data, reducing the performance of general-purpo…

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Physics Preprint PDF DOI

Nonlinear phononics in LaFeAsO: Optical control of the crystal structure toward possible enhancement of superconductivity

Shu Kamiyama, Tatsuya Kaneko, Kazuhiko Kuroki, Masayuki Ochi · 2026

Nonlinear phononics provides a route to control crystal structures through light-induced phonon excitation. In this study, we apply nonlinear phononics to an iron-based superconductor, LaFeAsO, with t…

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