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AI & Data Science Preprint PDF DOI

Training-Free Tunnel Defect Inspection and Engineering Interpretation via Visual Recalibration and Entity Reconstruction

Shipeng Liu, Liang Zhao, Dengfeng Chen, Zhanping Song · 2026

Tunnel inspection requires outputs that can support defect localization, measurement, severity grading, and engineering documentation. Existing training-free foundation-model pipelines usually stop at…

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Physics Preprint PDF DOI

Quarter-indices for basic ortho-symplectic corners

Yasuyuki Hatsuda, Tadashi Okazaki · 2026

We study supersymmetric quarter-indices for corner configurations in 4d $\mathcal{N}=4$ super Yang-Mills theory with orthogonal and symplectic gauge groups. For the basic Y-junctions, we obtain exact …

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Physics Preprint PDF DOI

Euclidean volume fluctuations in de Sitter quantum gravity

David Blanco, Guillem Perez-Nadal, Bruno Sivilotti · 2026

The Euclidean formulation of quantum gravity can be interpreted in terms of a probability distribution over Riemannian manifolds. In the context of de Sitter gravity, the statistics of the total volum…

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Physics Preprint PDF DOI

Revisiting Turner Window Axions: The Untapped Potential of NaI Dark Matter Detectors

W. C. Haxton, Xing Liu, Anupam Ray, Evan Rule · 2026

The "Turner window" corresponds to axions with masses $\gtrsim$ 1 eV that have sufficiently strong couplings to matter to evade limits from the cooling of SN1987A. This window, through which the traje…

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Computer Science Preprint PDF DOI

K-CARE: Knowledge-driven Symmetrical Contextual Anchoring and Analogical Prototype Reasoning for E-commerce Relevance

Chen Yifei, Tian Zhixing, Wang Chenyang, Cheng Ziguang · 2026

This paper targets e-commerce search relevance. While Large Language Models (LLMs) have demonstrated significant potential in this field, they often encounter performance bottlenecks in persistent 'co…

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Physics Preprint PDF DOI

Contracting Tensor Networks with Generalized Belief Propagation

Joseph Tindall, Grace M. Sommers, Hilbert Kappen · 2026

Recent years have seen a growing interest in the use of belief propagation - an algorithm originally introduced for performing statistical inference on graphical models - for approximate, but highly e…

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Physics Preprint PDF DOI

Electrical conductivity of crack-template-based transparent conducting films: mean-field approximation, effective medium theory, and simulation

Yuri Yu. Tarasevich, Andrei V. Esrkepov, Irina V. Vodolazskaya · 2026

In our work, crack-template-based transparent conducting films were modeled as networks corresponding to the edges of a two-dimensional Poisson--Voronoi diagram. Two types of networks were considered:…

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Physics Preprint PDF DOI

Non-Hermitian corner skin effect in a two-dimensional photonic crystal

Huyen Thanh Phan, Katsunori Wakabayashi · 2026

We numerically study topological effects of electromagnetic (EM) waves in a two-dimensional (2D) non-Hermitian photonic crystal (PhC) composed of lossy magneto-optical materials. In this system, n…

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Mathematics Preprint PDF DOI

Burning Graph Powers and Branching Trees

Jesper Jansson, Shashanka Kulamarva, Yukihiro Murakami, Nikolaas Verhulst · 2026

Graph burning is a discrete-time process that models the spread of social contagion. Initially, all vertices are unburned. In each round, one unburned vertex is selected and burned, while any unburned…

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Mathematics Preprint PDF DOI

B-complex manifolds with generalized corners. I. Newlander-Nirenberg Theorems

Hulya Arguz, Dominic Joyce · 2026

We generalize complex manifolds to manifolds with corners $X$, and to manifolds with generalized corners (g-corners) in the sense of the second author arXiv:1501.00401, using complex structures on the…

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Physics Preprint PDF DOI

Corner Majorana states in semi-Dirac

M. Garcia Olmos, Y. Baba, R. A. Molina, M. Amado · 2026

Proximity-induced superconductivity in low-dimensional systems offers a powerful pathway to engineer topological superconducting phases in, otherwise, non-superconducting systems. These exotic phases …

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Mathematics Preprint PDF DOI

A high order accurate and energy stable continuous Galerkin framework on summation-by-parts form for the incompressible Navier-Stokes equations

Mrityunjoy Mandal, Arnaud G Malan, Prince Nchupang, Jan Nordstrom · 2026

This paper presents a high-order accurate Continuous Galerkin Finite Element Method (CGFEM) for solving the initial boundary value problems governed by the Incompressible Navier-Stokes (INS) equations…

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AI & Data Science Preprint PDF DOI

Generating Synthetic Malware Samples Using Generative AI

Tiffany Bao, Kylie Trousil, Quang Duy Tran, Fabio Di Troia, Younghee Park · 2026

Malware attacks have a significant negative impact on organizations of varied scales in the field of cybersecurity. Recently, malware researchers have increasingly turned to machine learning technique…

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Physics Preprint PDF DOI

D-branes and fractional instantons on a twisted four torus: the moduli space as an N=2 supersymmetric Higgs branch

Erich Poppitz · 2026

We study self-dual instantons of topological charge $Q=r/N$, for any natural $r$, in $SU(N)$ Yang-Mills theory on a four torus with 't Hooft twists, by embedding them into worldvolume theories of $D$-…

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Physics Preprint PDF DOI

Design optimization of flux concentrators for magnetic tunnel junctions-based sensors

Thomas Brun, Javier Rial, Lucia Risoli, Johanna Fischer, Philippe Sabon, Guillaume Jannet, Matthieu Kretzschmar, Helene Bea, Claire Baraduc · 2026

Miniaturized, ultra-sensitive and easily integrable magnetometers are needed for many applications, like space exploration or health monitoring. Achieving this goal requires a magnetic sensor with hig…

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AI & Data Science Preprint PDF DOI

Time, Causality, and Observability Failures in Distributed AI Inference Systems

Ankur Sharma, Deep Shah, David Lariviere, Hesham ElBakoury · 2026

Distributed AI inference pipelines rely heavily on timestamp-based observability to understand system behavior. This work demonstrates that even small clock skew between nodes can cause observability …

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Physics Preprint PDF DOI

Second-order topology in two-dimensional azulenoid kekulene carbon lattices

Xiaorong Zou, Hyeon Suk Shin, Chang-Jong Kang, Baibiao Huang, Yanmei Zang, Ying Dai, Chengwang Niu, Chang Woo Myung · 2026

The discovery of higher-order topological insulator (HOTI) has established a new paradigm for understanding symmetry-constrained boundary electronic states. Here, based on first-principles calculation…

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Physics Preprint PDF DOI

Hydrodynamic capture and release of a microswimmer by a meniscus corner

Subhasish Guchhait, Harshita Tiwari, Sumesh P. Thampi, Ranabir Dey · 2026

Biological microswimmers alter their motility in complex corner geometries, facilitating their survival. However, the dynamical features of low-Reynolds-number swimming at corners remain undefined. He…

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Physics Preprint PDF DOI

Nonequilibrium Kramers Turnover in a Kerr Parametric Oscillator

Daniel K. J. Bone{ss}, Gabriel Margiani, Wolfgang Belzig, Alexander Eichler, Oded Zilberberg · 2026

Activation processes govern noise-induced switching between long-lived states. In an equilibrium double well, the thermally activated switching rate exhibits a prefactor with a nonmonotonic dependence…

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Engineering Preprint PDF DOI

Reinforcement Learning Enabled Adaptive Multi-Task Control for Bipedal Soccer Robots

Yulai Zhang, Yinrong Zhang, Ting Wu, Linqi Ye · 2026

Developing bipedal football robots in dynamiccombat environments presents challenges related to motionstability and deep coupling of multiple tasks, as well ascontrol switching issues between differen…

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