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Physics Preprint PDF DOI

Over forty years of research towards the understanding of Quantum Brownian Motion -- the contributions of A. O. Caldeira

Marcus V. S. Bonanca, Sebastian Deffner, Gert-Ludwig Ingold · 2026

This article presents a brief account of Amir O. Caldeira's contributions to the theory of quantum Brownian motion. Motivated by its importance, we outline the description of Brownian motion in the qu…

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Computer Science Preprint PDF DOI

Code Broker: A Multi-Agent System for Automated Code Quality Assessment

Samer Attrah · 2026

We present Code Broker, a multi agent system built with Google Agent Development Kit ADK that analyses Python code from files, local directories, or GitHub repositories and generates actionable qualit…

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Mathematics Preprint PDF DOI

The Quotient of Milnor Number by Tjurina Number of Hypersurface Singularities in Arbitrary Characteristic

Hongrui Ma, Huaiqing Zuo · 2026

In this paper, we use Hilbert-Samuel multiplicity, Hilbert-Kunz multiplicity, and s-multiplicity to establish a sharp upper bound for the quotient of the generalized Milnor numbers and the Tjurina num…

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Mathematics Preprint PDF DOI

A Hypergraph Container Method on Spread SAT: Approximation and Speedup

Zicheng Han, Yupeng Lin, Jie Ma, Xiande Zhang · 2026

We develop a hypergraph container method for the Boolean Satisfiability Problem (SAT) via the newly developed container results [Campos and Samotij (2024)]. This provides an explicit connection betwee…

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Mathematics Preprint PDF DOI

More Vertices of the Tristochastic Polytope

Nati Linial, Zur Luria, Maya Trakhtman · 2026

The $n\times n$ doubly stochastic matrices constitute a polytope in $\mathbb{R}^{n^2}$, and by Birkhoff's theorem, its vertex set coincides with the set of order-$n$ permutation matrices.\\ A tristoch…

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AI & Data Science Preprint PDF DOI

The AI Skills Shift: Mapping Skill Obsolescence, Emergence, and Transition Pathways in the LLM Era

Rudra Jadhav, Janhavi Danve · 2026

As Large Language Models reshape the global labor market, policymakers and workers need empirical data on which occupational skills may be most susceptible to automation. We present the Skill Automati…

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Engineering Preprint PDF DOI

Control Architecture and experimental validation of a Novel Surgical Robotic Instrument

Doina Pisla (CESTER), Ionut Zima (CESTER), Calin Vaida (CESTER), Andrei Cailean, Marius Miclaus (CESTER), Adrian Pisla (CESTER), Andrei Caprariu, Vasile Bulbucan (CESTER), Bogdan Gherman, Damien Chablat (LS2N - equipe RoMas, LS2N) · 2026

Minimally invasive surgery (MIS) reduces patient trauma and shortens recovery time; however, conventional laparoscopic instruments remain constrained by limited range of movements. This work presents …

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Computer Science Preprint PDF DOI

Spatiotemporal-Aware Bit-Flip Injection on DNN-based Advanced Driver Assistance Systems (extended version)

Taibiao Zhao, Xiang Zhang, Mingxuan Sun, Ruyi Ding, Xugui Zhou · 2026

Modern advanced driver assistance systems (ADAS) rely on deep neural networks (DNNs) for perception and planning. Since DNNs' parameters reside in DRAM during inference, bit flips caused by cosmic rad…

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Engineering Preprint PDF DOI

Demand response potential evaluation of a zero carbon hydrogen metallurgy system considering shaft furnace's flexibility

Qiang Ji, Lin Cheng, Kaidi Huang, Junxin Lv, Yue Zhou, Zeng Liang · 2026

The increasing penetration of intermittent renewable energy sources and the retirement of thermal units have widened the power system flexibility gap. Industrial demand response (DR) driven by real-ti…

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Computer Science Preprint PDF DOI

Phyelds: A Pythonic Framework for Aggregate Computing

Gianluca Aguzzi, Davide Domini, Nicolas Farabegoli, Mirko Viroli · 2026

Aggregate programming is a field-based coordination paradigm with over a decade of exploration and successful applications across domains including sensor networks, robotics, and IoT, with implementat…

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Physics Preprint PDF DOI

Inflation with the standard and Randall-Sundrum model in the Two-time Physics

Vo Quoc Phong · 2026

We propose a scalar inflationary potential as $V(\phi)=M^4\phi^{2n-2}(\phi^{2n}+m^{2n})^{1/n-1}$. This potetial similar to the shaft inflation one. The potential may come from the Higgs-dilaton potent…

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Physics Preprint PDF DOI

Environmental Measurements in the Sedrun Access Shaft to the Gotthard Base Tunnel -- a Promising Site for a Long-Baseline Atom Interferometer

M. Guinchard, O. Buchmuller, S. Calatroni, J. Ellis, S. Hoell, M. Jaussi, L. Lombriser, M. Pentella, D. Thuliez, D. Valuch · 2026

Atom interferometer (AI) experiments offer interesting prospects for searches for the interactions of ultralight bosonic dark matter with Standard Model particles as well as detection of gravitational…

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AI & Data Science Preprint PDF DOI

ConVibNet: Needle Detection during Continuous Insertion via Frequency-Inspired Features

Jiamei Guo, Zhehao Duan, Maria Neiiendam, Dianye Huang, Nassir Navab, Zhongliang Jiang · 2026

Purpose: Ultrasound-guided needle interventions are widely used in clinical practice, but their success critically depends on accurate needle placement, which is frequently hindered by the poor and in…

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AI & Data Science Preprint PDF DOI

Physics-Informed Machine Learning for Vessel Shaft Power and Fuel Consumption Prediction: Interpretable KAN-based Approach

Hamza Haruna Mohammed, Dusica Marijan, Arnbj{o}rn Maressa · 2026

Accurate prediction of shaft rotational speed, shaft power, and fuel consumption is crucial for enhancing operational efficiency and sustainability in maritime transportation. Conventional physics-bas…

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Engineering Preprint PDF DOI

OSCAR: An Ovipositor-Inspired Self-Propelling Capsule Robot for Colonoscopy

Mostafa A. Atalla, Anand S. Sekar, Remi van Starkenburg, David J. Jager, Aimee Sakes, Michael Wiertlewski, Paul Breedveld · 2026

Self-propelling robotic capsules eliminate shaft looping of conventional colonoscopy, reducing patient discomfort. However, reliably moving within the slippery, viscoelastic environment of the colon r…

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Physics Preprint PDF DOI

Lazarides-Shafi axion models as Dijkgraaf-Witten theories

Motoo Suzuki, Ryo Yokokura · 2026

Axion models often face the domain wall problem, which threatens the standard big-bang cosmology. The Lazarides-Shafi mechanism attempts to resolve this by identifying degenerate vacua through a conti…

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Mathematics Preprint PDF DOI

Nearly tight bound for rainbow clique subdivisions in properly edge-colored graphs and applications

Peiru Kuang, Yan Wang · 2026

An edge-colored graph is said to be rainbow if all its edges have distinct colors. In this paper, we study the rainbow analogue of a fundamental result of Mader [\emph{Math. Ann.} \textbf{174} (1967),…

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AI & Data Science Preprint PDF DOI

Benchmarking and Enhancing PPG-Based Cuffless Blood Pressure Estimation Methods

Neville Mathew, Yidan Shen, Renjie Hu, Maham Rahimi, George Zouridakis · 2026

Cuffless blood pressure screening based on easily acquired photoplethysmography (PPG) signals offers a practical pathway toward scalable cardiovascular health assessment. Despite rapid progress, exist…

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AI & Data Science Preprint PDF DOI

AMIR-GRPO: Inducing Implicit Preference Signals into GRPO

Amir Hossein Yari, Fajri Koto · 2026

Reinforcement learning has become the primary paradigm for aligning large language models (LLMs) on complex reasoning tasks, with group relative policy optimization (GRPO) widely used in large-scale p…

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AI & Data Science Preprint PDF DOI

Physics-guided Neural Network-based Shaft Power Prediction for Vessels

Dogan Altan, Hamza Haruna Mohammed, Glenn Terje Lines, Dusica Marijan, Arnbj{o}rn Maressa · 2025

Optimizing maritime operations, particularly fuel consumption for vessels, is crucial, considering its significant share in global trade. As fuel consumption is closely related to the shaft power of a…

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