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AI & Data Science Preprint PDF DOI

BioMiner: A Multi-modal System for Automated Mining of Protein-Ligand Bioactivity Data from Literature

Jiaxian Yan, Jintao Zhu, Yuhang Yang, Qi Liu, Kai Zhang, Zaixi Zhang, Xukai Liu, Boyan Zhang, Kaiyuan Gao, Jinchuan Xiao, Enhong Chen · 2026

Protein-ligand bioactivity data published in the literature are essential for drug discovery, yet manual curation struggles to keep pace with rapidly growing literature. Automated bioactivity extracti…

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Engineering Preprint PDF DOI

Variable Dead-Time Based Novel Soft-Start Method for Dual Active Bridge Converters

Sachith Wijesooriya, Sandun S. Kuruppu · 2026

Effective startup control is critical for the safe and reliable operation of Dual Active Bridge (DAB) converters. Unlike traditional soft-start techniques that rely solely on phase-shift control or fi…

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Mathematics Preprint PDF DOI

On canonicity for integral models of Shimura varieties with hyperspecial level

Keerthi Madapusi, Alex Youcis · 2026

We give a new definition -- and in some cases, a new construction -- of integral canonical models of Shimura varieties that uses the notion of an aperture appearing in work of Gardner--Madapusi on som…

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Engineering Preprint PDF DOI

A Data-Aided Power Transformer Differential Protection without Inrush Blocking Module

Zexuan Lin, Songhao Yang, Yubo Zhang, Zhiguo Hao, Baohui Zhang · 2026

When a slightly faulty transformer closes without load, the current waveform presents the coexistence of inrush and fault current. At this time, the inrush blocking module will block the relay, which …

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Computer Science Preprint PDF DOI

Round-efficient Fully-scalable MPC algorithms for k-Means

Shaofeng H.-C. Jiang, Yaonan Jin, Jianing Lou, Weicheng Wang · 2026

We study Euclidean $k$-Means under the Massively Parallel Computation (MPC) model, focusing on the \emph{fully-scalable} setting. Our main result is a fully-scalable $O((\log n/\log\log n)^2)$-approxi…

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AI & Data Science Preprint PDF DOI

MarkushGrapher-2: End-to-end Multimodal Recognition of Chemical Structures

Tim Strohmeyer, Lucas Morin, Gerhard Ingmar Meijer, Valery Weber, Ahmed Nassar, Peter Staar · 2026

Automatically extracting chemical structures from documents is essential for the large-scale analysis of the literature in chemistry. Automatic pipelines have been developed to recognize molecules rep…

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AI & Data Science Preprint PDF DOI

Knowledge Activation: AI Skills as the Institutional Knowledge Primitive for Agentic Software Development

Gal Bakal · 2026

Enterprise software organizations accumulate critical institutional knowledge - architectural decisions, deployment procedures, compliance policies, incident playbooks - yet this knowledge remains tra…

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AI & Data Science Preprint PDF DOI

Nw\=ach\=a Mun\=a: A Devanagari Speech Corpus and Proximal Transfer Benchmark for Nepal Bhasha ASR

Rishikesh Kumar Sharma, Safal Narshing Shrestha, Jenny Poudel, Rupak Tiwari, Arju Shrestha, Rupak Raj Ghimire, Bal Krishna Bal · 2026

Nepal Bhasha (Newari), an endangered language of the Kathmandu Valley, remains digitally marginalized due to the severe scarcity of annotated speech resources. In this work, we introduce Nw\=ach\=a Mu…

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AI & Data Science Preprint PDF DOI

Maximizing Generalization: The Effect of Different Augmentation Techniques on Lightweight Vision Transformer for Bengali Character Classification

Rafi Hassan Chowdhury, Naimul Haque, Kaniz Fatiha · 2026

Deep learning models have proven to be highly effective in computer vision, with deep convolutional neural networks achieving impressive results across various computer vision tasks. However, these mo…

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Mathematics Preprint PDF DOI

On Liouville's theorem for the Hessian quotient equation $\sigma_2/\sigma_1$

Siyuan Lu, Marcin Sroka · 2026

We prove Liouville's theorem for semi-convex entire solutions to Hessian quotient equation $\sigma_2/\sigma_1=1$ in $\mathbb{R}^n$. The proof is based on the observation that after rewriting the quoti…

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Mathematics Preprint PDF DOI

Counting number fields of fixed degree by their smallest defining polynomial

Santiago Arango-Pineros, Fabian Gundlach, Robert J. Lemke Oliver, Kevin J. McGown, Will Sawin, Allechar Serrano Lopez, Arul Shankar, Ila Varma · 2026

When do two irreducible polynomials with integer coefficients define the same number field? One can define an action of $\mathrm{GL}_2 \times \mathrm{GL}_1$ on the space of polynomials of degree $…

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Mathematics Preprint PDF DOI

CM-liftability of simple superspecial abelian surfaces over prime fields

Hsin-Yi Yang · 2026

For any prime $p>0$, we prove that simple superspecial abelian surfaces over $\mathbb{F}_{p}$ admit CM liftings after base change at most to $\mathbb{F}_{p^2}$, by using the residual reflex condition …

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Physics Preprint PDF DOI

Sensitivity of External Magnetic Field on the Change in Cross-section of a Toroidal Current

Suman Aich, Joydeep Ghosh, Rakesh L. Tanna, D. Raju, Sameer Kumar, Aditya-U team · 2026

Due to any toroidal current column, the magnetic field is found to be sensitive as well as insensitive to its cross-sectional area depending on location of subject point, as predicted by numerical app…

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History & Literature Preprint PDF DOI

Professor Hideki Yukawa's Anguish and a Lifelong Decision During a Three-Day Visit to Kochi to Unveil His First Bronze Statue: From a Cave Bat to the World

Shigeo Ohkubo · 2025

In 1954, following a five-year research period in the U.S., Professor Hideki Yukawa returned to Japan and visited Kochi on March 21 to attend the unveiling ceremony for the first statue of him ever bu…

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Computer Science Preprint PDF DOI

Fast list recovery of univariate multiplicity and folded Reed-Solomon codes

Rohan Goyal, Prahladh Harsha, Mrinal Kumar, Ashutosh Shankar · 2025

A recent work of Goyal, Harsha, Kumar and Shankar gave nearly linear time algorithms for the list decoding of Folded Reed-Solomon codes (FRS) and univariate multiplicity codes up to list decoding capa…

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Mathematics Preprint PDF DOI

On the $2$-torsion in class groups of number fields

Dante Bonolis · 2025

In $2020$, Bhargava, Shankar, Taniguchi, Thorne, Tsimerman, and Zhao proved that for a finite extension $K/\mathbb{Q}$ of degree $n\geq 5$, the size of the $2$-torsion class group is bounded by $\# h_…

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Physics Preprint PDF DOI

A Bottom-Up EFT Approach To Superdense Baryonic Matter

Mannque Rho · 2025

How to arrive at the densest matter in massive compact stars starting from Walecka's linear $\omega$-$\sigma$ mean-field model is described in a series of arguments anchored on hidden local symmetry, …

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Engineering Preprint PDF DOI

Accelerated Transformer Energization Sequence for Inverter Based Resources in Black-Start Procedures with Active Flux Trajectory Manipulation in the Stationary Reference Frame

Jiyu Lee, Shenghui Cui · 2025

This paper proposes advanced soft-magnetization techniques to enable ultra-fast and reliable black-start of grid-forming (GFM) converters. Conventional hard-magnetization with well-established three-p…

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AI & Data Science Preprint PDF DOI

IndicGEC: Powerful Models, or a Measurement Mirage?

Sowmya Vajjala · 2025

In this paper, we report the results of the TeamNRC's participation in the BHASHA-Task 1 Grammatical Error Correction shared task https://github.com/BHASHA-Workshop/IndicGEC2025/ for 5 Indian language…

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Mathematics Preprint PDF DOI

Non-vanishing of Artin $L$-functions associated with $D_4$-quartic function fields ordered by conductor

Victor Ahlquist · 2025

We study the low-lying zeros of certain Artin $L$-functions associated with $D_4$-quartic function fields. Specifically, we prove that when ordered by conductor, at least $77\%$ of these $L$-functions…

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