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Computer Science Preprint PDF DOI

An Exact 56-Addition, Rank-23 Scheme for General 3*3 Matrix Multiplication

Yinqi Sun · 2026

We present a rank-$23$ algorithm for general $3\times3$ matrix multiplication that uses $56$ additions/subtractions and $23$ multiplications, for a total of $79$ scalar operations in the standard bili…

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Computer Science Preprint PDF DOI

VitaLLM: A Versatile, Ultra-Compact Ternary LLM Accelerator with Dependency-Aware Scheduling

Zi-Wei Lin, Tian-Sheuan Chang · 2026

Deploying Large Language Models (LLMs) on resource-constrained edge devices faces critical bottlenecks in memory bandwidth and power consumption. While ternary quantization (e.g., BitNet b1.58) signif…

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Physics Preprint PDF DOI

DeepPropNet: an operator learning-based predictor for thermal plasma properties

Zuo Wang, Linlin Zhong · 2026

Thermal plasma properties play a critical role in plasma simulations and plasma-related applications. However, their strong nonlinear dependence on temperature, pressure, and gas composition makes acc…

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AI & Data Science Preprint PDF DOI

Unsupervised Electrofacies Classification and Porosity Characterization in the Offshore Keta Basin Using Wireline Logs

Hamdiya Adams, Theophilus Ansah-Narh, Daniel Kwadwo Asiedu, Bruce Kofi Banoeng-Yakubo, Marcellin Atemkeng, Thomas Armah, Richmond Opoku-Sarkodie, Rebecca Davis, Ezekiel Nii Noye Nortey · 2026

This study presents an unsupervised machine learning workflow for electrofacies analysis in the offshore Keta Basin, Ghana, where core data are scarce. Six standard wireline logs from Well~C were anal…

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Physics Preprint PDF DOI

First-Principles Thermodynamic Analysis of Ternary Chalcogenide Phase Change Materials

Felix Adams, Ichiro Takeuchi, Carlos Rios Ocampo, Yifei Mo · 2026

Chalcogenide phase-change materials (PCMs) are important for nonvolatile memory and reconfigurable photonic technologies. The GeTe-Sb2Te3 mixture system, commonly referred to as GST, is the most well-…

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AI & Data Science Preprint PDF DOI

Anomaly Detection in Soil Heavy Metal Contamination Using Unsupervised Learning for Environmental Risk Assessment

Isaac Tettey Adjokatse, Samuel Senyo Koranteng, George Yamoah Afrifa, Theophilus Ansah-Narh, Marcellin Atemkeng, Joseph Bremang Tandoh, Kow Ahor Essel-Yorke, Richmond Opoku-Sarkodie, Rebecca Davis · 2026

Soil contamination by heavy metals poses a persistent environmental and public health concern in rapidly urbanising regions of Ghana, particularly at unregulated waste disposal sites. This study appli…

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Mathematics Preprint PDF DOI

A stellated tetrahedron that is probably not Rupert

Tony Zeng · 2026

A convex polyhedron is Rupert if a hole can be cut into it (making its genus $1$) such that an identical copy of the polyhedron can pass through the hole. Resolving a conjecture of Jerrard-Wetzel-Yuan…

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Physics Preprint PDF DOI

Thin film synthesis of SrZn2P2 with SrI2 post-annealing for enhanced crystallinity and optoelectronic quality

Sita Dugu, Shaham Quadir, Christopher P. Muzzillo, Zhenkun Yuan, Smitakshi Goswami, Xiaojing Hao, Jialiang Huang, Guillermo Esparza, Baptiste Julien, David Fenning, Jifeng Liu, Geoffroy Hautier, Andriy Zakutayev, Sage R. Bauers · 2026

Ternary Zintl phosphides are promising light-absorbing semiconductors for thin-film optoelectronic applications, but strategies for controlling their microstructure and optoelectronic quality remain u…

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Mathematics Preprint PDF DOI

A structure theorem for sets with doubling $4+\delta$

Yifan Jing, Akshat Mudgal · 2026

We prove a structural result for sets of integers with doubling at most $4 + \delta$, with $\delta>0$ sufficiently small. This generalises earlier work of Eberhard--Green--Manners which dealt with set…

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Physics Preprint PDF DOI

Excluded volume and molecular field in the Lennard-Jones fluid: a modified first-order perturbation theory

A. Trokhymchuk, V. Hordiichuk, R. Melnyk, I. Nezbeda · 2026

The equation of state and, more generally, the thermodynamics of the Lennard-Jones fluid have long served as a benchmark problem in the statistical theory of fluids. Among available theoretical approa…

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Computer Science Preprint PDF DOI

Hardware Generation and Exploration of Lookup Table-Based Accelerators for 1.58-bit LLM Inference

Robin Geens, Joran Heldens, Joren Dumoulin, Marian Verhelst · 2026

Ternary weight quantization (e.g., BitNet b1.58) offers a promising path to mitigate the memory bandwidth bottleneck in Large Language Model (LLM) inference. However, conventional compute platforms la…

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Computer Science Preprint PDF DOI

Information-Theoretic Distributed Point Functions with Shorter Keys

Hang Deng, Liang Feng Zhang · 2026

A t-private n-server Information-Theoretic Distributed Point Function ((t,n)-ITDPF) allows one to convert any point function f_{alpha,beta}(x): [N] -> G into n shares (secret keys), such that each ser…

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AI & Data Science Preprint PDF DOI

BitRL: Reinforcement Learning with 1-bit Quantized Language Models for Resource-Constrained Edge Deployment

Md. Ashiq Ul Islam Sajid, Mohammad Sakib Mahmood, Md. Tareq Hasan, Md Abdur Rahim, Rafat Ara, Md. Arafat Hossain · 2026

The deployment of intelligent reinforcement learning (RL) agents on resource-constrained edge devices remains a fundamental challenge due to the substantial memory, computational, and energy requireme…

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AI & Data Science Preprint PDF DOI

Rewarding the Scientific Process: Process-Level Reward Modeling for Agentic Data Analysis

Zhisong Qiu, Shuofei Qiao, Kewei Xu, Yuqi Zhu, Lun Du, Ningyu Zhang, Huajun Chen · 2026

Process Reward Models (PRMs) have achieved remarkable success in augmenting the reasoning capabilities of Large Language Models (LLMs) within static domains such as mathematics. However, their potenti…

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Physics Preprint PDF DOI

Synchronized molecular dynamics method for thin-layer flows of complex fluids

Shugo Yasuda, Kotaro Oda, Fumito Muragaki, Yuta Taketa, Masashi Iwayama, Tomohide Ina · 2026

We propose a multiscale computational method for thin-layer flows of complex fluids, termed the synchronized molecular dynamics (SMD) method, which directly couples local molecular dynamics (MD) simul…

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Mathematics Preprint PDF DOI

A Geometric Witness Framework for Signed Multivariate Tail-Dependence Compatibility: Asymptotic Structure and Finite-Threshold Synthesis

Janusz Milek · 2026

We study multivariate tail-dependence compatibility for complete and partial signed tail families, treating lower-tail, upper-tail, and mixed configurations in one geometric witness representation ind…

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Physics Preprint PDF DOI

A Conceptual Technology-Dependent Framework of Ternary Quantum Gates

Ali Al-Bayaty · 2026

This paper introduces a conceptual framework of technology-dependent ternary quantum gates that could be implemented and fabricated into future superconducting and photonic quantum systems for operati…

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Physics Preprint PDF DOI

Successful irradiation campaign on PRIMA/PRIMAger KIDs detectors with DRACuLA

Valentin Sauvage, Anais Besnard, Giulia Conenna, Kenichi Karatsu, Stephen J.C. Yates, Lorenza Ferrari, Bruno Maffei · 2026

DRACuLA (Detector irRAdiation Cryogenic faciLity for Astrophysics) is a mobile dilution refrigerator platform developed at the Institut d'Astrophysique Spatiale (IAS) to expose sub-Kelvin detectors to…

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Physics Preprint PDF DOI

Influence of Ni Doping on the Structural, Morphological, Optical, and Electrical Properties of Nanocrystalline Cd1-xMnxS Thin Films

Himanshu Sharma Pathok, Padma Pani Shahu, Himanshu Kalita, Prasanta Kumar Saikia · 2026

Ni-doped Cd1-xMnxS (x=0.4) thin films were prepared via a cost-effective chemical bath deposition (CBD) method to investigate their suitability for optoelectronic applications. Incorporation of a seco…

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Engineering Preprint PDF DOI

Information-Theoretic Geometry Optimization and Physics-Aware Learning for Calibration-Free Magnetic Localization

Wenxuan Xie, Yuelin Zhang, Qingpeng Ding, Jianghua Chen, Jiewen Tan, Jiwei Shan, Shing Shin Cheng · 2026

Wireless localization of permanent magnets enables occlusion-free guidance for medical interventions, yet its practical accuracy is fundamentally limited by two coupled challenges: the poor observabil…

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