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Mathematics Preprint PDF DOI

Geometry of bounded generic domains with piecewise smooth boundary

Xingsi Pu, Lang Wang · 2026

In this paper, we study the geometry of bounded domains with piecewise smooth boundary. Specifically, we obtain the relationship between the squeezing function corresponding to polydisk and Levi flatn…

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Mathematics Preprint PDF DOI

Thermodynamically Constrained Information Geometric Regularization for Compressible Flows

Seth Taylor, Raymond J. Spiteri, Stephane Gaudreault · 2026

We construct and analyze a thermodynamic extension of the recently proposed information geometric regularization of Cao and Sch\"afer. The construction extends their shock-mitigating Hessian metric ge…

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Physics Preprint PDF DOI

Resolving spurious topological entanglement entropy in stabilizer codes

Peilun Han, Zijian Liang, Yifei Wang, Bowen Yang, Yingfei Gu, Yu-An Chen · 2026

Topological entanglement entropy (TEE) is a key diagnostic of long-range entanglement in two-dimensional gapped phases of matter, but it can suffer from spurious contributions that overestimate the to…

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Mathematics Preprint PDF DOI

Families of Unit Equations and Exponential Diophantine Problems via Integral Points

Julie Tzu-Yueh Wang, Zheng Xiao · 2026

This paper investigates the distribution of integral points on projective varieties via two distinct methods: the Ru-Vojta theorem and our higher-dimensional generalization of the Huang-Levin-Xiao ine…

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Physics Preprint PDF DOI

A Systematic Search for Optical Outbursts in IPs Using ASAS-SN

Jake Mendelsohn, Simone Scaringi, Martina Veresvarska, Krystian I{l}kiewicz · 2026

Cataclysmic variables can show rapid increases in optical flux. Intermediate polars (IPs), a subset with strong magnetic fields that disrupt the inner accretion disc, have been thought to possess trun…

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Physics Preprint PDF DOI

The Phenomenological Classification of TESS Eclipsing Binaries

Shi-Qi Liu, Kai Li, Xiao-Dian Chen, Li-Heng Wang · 2026

Eclipsing binaries are crucial astrophysical laboratories for studying stellar parameters and evolutionary processes. In this study, we constructed a machine-learning-based model for systematic phenom…

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Computer Science Preprint PDF DOI

Agentic AI in the Software Development Lifecycle: Architecture, Empirical Evidence, and the Reshaping of Software Engineering

Happy Bhati · 2026

The arrival of large language models (LLMs) capable of multi-step reasoning, tool use, and long-horizon planning has produced a qualitative shift in software engineering. Where earlier code-completion…

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Mathematics Preprint PDF DOI

Exterior-Model Spinors in Split Rank: Exact Levi Images and Square-Determinant Obstructions

Arthur F. Ramos, David B. Hulak, Ruy J. G. B. de Queiroz · 2026

Let $K$ be a field with $2 \in K^\times$, and let $H_W$ denote the standard hyperbolic form on $W \oplus W^*$. We study the exterior spinor model $S = \bigwedge V(W)$ together with the spin-to-orthogo…

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Physics Preprint PDF DOI

Asteroseismic analysis of RY Leporis: the post-main sequence HADS in a binary system

Wojciech Niewiadomski, Jadwiga Daszynska-Daszkiewicz, Przemys{l}aw Walczak, Wojciech Szewczuk, Eloy Rodriguez, Piotr Ko{l}aczek-Szymanski, Aliz Derekas · 2026

We present a comprehensive study of the pulsating primary component of the long-period binary system RY Lep. The spectral energy distribution and the absence of detectable lines indicate that the comp…

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Engineering Preprint PDF DOI

ASAP: An Azimuth-Priority Strip-Based Search Approach to Planar Microphone Array DOA Estimation in 3D

Ming Huang, Shuting Xu, Leying Yang, Huanzhang Hu, Yujie Zhang, Jiang Wang, Yu Liu, Hao Zhao, He Kong · 2026

Direction-of-arrival (DOA) estimation is an important task in microphone array processing and many downstream applications. The steered response power with phase transform (SRP-PHAT) method has been w…

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Physics Preprint PDF DOI

Spectral Evolution and Transient Broad-Line Features in the Isolated AGN UNAM-KIAS 613

Edgar Cortes-Suarez, Paola Marziani, Hector Manuel Hernandez-Toledo, Miguel Angel Aragon-Calvo, Castalia Alenka Negrete · 2026

We present multi-epoch optical spectroscopy of the isolated elliptical galaxy UNAM-KIAS 613, hosting a low-luminosity Type 1 AGN. Analysis of archival Sloan Digital Sky Survey (SDSS) data from 2006 re…

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Physics Preprint PDF DOI

On the Mathematics of Information-Thermodynamics

Dallin Fisher, Qi-Jun Hong · 2026

We present a validation of the asdf method, an information-theoretic framework for computing thermodynamic entropy from molecular configurations. The method reformulates entropy estimation as the Shan…

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Physics Preprint PDF DOI

Non-Abelian Particle-Loop, Fracton, and Planon Condensation in Cage-Net Models

Yifei Wang, Yu Zhao, Yingcheng Li, Hao Song, Yidun Wan · 2026

We present a framework for non-Abelian p-loop, fracton, and planon condensation in 3+1 dimensions by constructing extended cage-net fracton models using decoupled layers of the Hu-Geer-Wu (HGW) string…

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Mathematics Preprint PDF DOI

A Six-Term Functional Equation and a Quartic Dilogarithm Ladder

Cetin Hakimoglu-Brown · 2026

We introduce dilogarithm identities through a beta integral-based technique that we apply to construct new 3 and 6-term functional identities of the type $\sum r^{-1}_i L(X_i) \in \pi^2 \mathbf{Q}$. W…

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Mathematics Preprint PDF DOI

The Flat CR Twistor Model $Q^{2,2}$ and Its Algebraic Sections

Amedeo Altavilla, Stefano Marini · 2026

We study the flat CR twistor model $Q^{2,2}\subset \mathbb{CP}^3$ by explicit projective methods. Using the anti-holomorphic involution $j$ associated with the twistor fibration, we classify the proje…

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Physics Preprint PDF DOI

Physical Parameters of 146 Contact Binaries Derived from Light and Radial Velocity Curves

Kai Li, Xiang Gao, Si-Rui Wang, Li-Heng Wang · 2026

We present a comprehensive analysis of 146 contact binaries using medium-resolution LAMOST spectra and photometric data from the All-Sky Automated Survey for SuperNovae (ASAS-SN) and the Transiting Ex…

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Computer Science Preprint PDF DOI

Poster: ClawdGo: Endogenous Security Awareness Training for Autonomous AI Agents

Jiaqi Li, Yang Zhao, Bin Sun, Yang Yu, Jian Chang, Lidong Zhai · 2026

Autonomous AI agents deployed on platforms such as OpenClaw face prompt injection, memory poisoning, supply-chain attacks, and social engineering, yet existing defences address only the platform perim…

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Computer Science Preprint PDF DOI

Transformer-Based Rhythm Quantization of Performance MIDI Using Beat Annotations

Maximilian Wachter, Sebastian Murgul, Michael Heizmann · 2026

Rhythm transcription is a key subtask of notation-level Automatic Music Transcription (AMT). While deep learning models have been extensively used for detecting the metrical grid in audio and MIDI per…

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Physics Preprint PDF DOI

Single-Shot Lensless Imaging with Physics Guided Genetic Programming

Ganesh M. Balasubramaniam, Xiao-Liu Chu, Radhika V. Nair, Matthew R. Foreman · 2026

Lensless optical imaging eliminates the need for refractive optics, enabling compact and low-cost cameras with a large field-of-view, supporting point-of-care diagnostics and industrial monitoring. Pr…

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Physics Preprint PDF DOI

First measurement of wind line formation regions in an early O-type star

D. Pauli, T.N. Parsons, R.K. Prinja · 2026

Massive stars with their strong ionizing radiation and strong stellar winds are the key feedback agents of the universe. Stellar winds of massive stars are often measured by fitting resonance lines in…

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