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Mathematics Preprint PDF DOI

Gauge symmetry and uniqueness in inverse problems for the JMGT equation

Dong Qiu, Xiang Xu, Yeqiong Ye, Ting Zhou · 2026

In this paper, we study an inverse boundary value problem for the Jordan--Moore--Gibson--Thompson equation on a simple Riemannian manifold. We consider an all boundary measurement map that maps Dirich…

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Physics Preprint PDF DOI

Thermal Spectra Without Detailed Balance

Xingjian Lu, Shuzhe Shi · 2026

A thermal spectrum is often taken as a signature that the emitted probe has reached detailed balance with the surrounding medium. We show that this interpretation is not generally valid by studying ho…

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Physics Preprint PDF DOI

X-Ray Diagnostics Analysis Verification and Exploration (xDAVE) Code for the Prediction and Interpretation of X-Ray Thomson Scattering Experiments

Hannah M. Bellenbaum, Dave A. Chapman, Maximilian P. Bohme, Thomas Gawne, Sebastian Schwalbe, Willow M. Martin, Michael Bussmann, Dirk O. Gericke, Uwe Hernandez Acosta, Jan Vorberger, Tobias Dornheim · 2026

X-ray Thomson scattering (XRTS) is a common diagnostic used in the warm dense matter (WDM) regime to estimate plasma parameters like density, temperature and charge state. Experimental analysis typica…

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Physics Preprint PDF DOI

Transport characteristics of bulk and edge states in an off-diagonal Aubry--Andr\'e--Harper chain

Moumita Patra · 2026

We investigate quantum transport in an off-diagonal Aubry--Andr\'e--Harper chain. The periodic hopping modulation generates effective internal boundaries that strongly influence the transmission chara…

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Mathematics Preprint PDF DOI

Non-symmetrically $t$-affine functions revisited

Tibor Kiss, Dora Koroknai · 2026

In 2014, Michal Lewicki and Andrzej Olbry\'s proved that if a real valued function $f$ defined on the real line satisfies the conditional functional equation \[ f(tx + (1-t)y) = t f(x) + (1-t) f(y),\q…

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AI & Data Science Preprint PDF DOI

Budget-Constrained Causal Bandits: Bridging Uplift Modeling and Sequential Decision-Making

Abhirami Pillai · 2026

Treatment allocation under budget constraints is a central challenge in digital advertising: advertisers must decide which users to show ads to while spending a limited budget wisely. The standard app…

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Physics Preprint PDF DOI

Characterization of Thermalization Behaviour in a Generalized Aubry-Andr\'e Model

S. Mal, D. K. Nandy, B. K. Sahoo · 2026

Although random matrix theory provides a fundamental framework for characterizing quantum chaos, encompassing both ergodic and localized phases, a comprehensive understanding of the universal features…

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Physics Preprint PDF DOI

Model-free interpretation of X-ray Thomson scattering measurements

Thomas Gawne, Jan Vorberger, Zhandos Moldabekov, Hannah Bellenbaum, Tobias Dornheim · 2026

X-ray Thomson scattering (XRTS) has emerged as a widely used diagnostics for extreme states of matter in a great variety of situations, and over a broad range of parameters. The standard approach for …

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AI & Data Science Preprint PDF DOI

A Finite Time Analysis of Thompson Sampling for Bayesian Optimization with Preferential Feedback

Joseph Lazzaro, Davide Buffelli, Da-shan Shiu, Sattar Vakili · 2026

Preference feedback, in the form of pairwise comparisons rather than scalar scores, has seen increasing use in applications such as human-, laboratory-, and expert-in-the-loop design, as well as scien…

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Physics Preprint PDF DOI

Gate-dependent offset charge shifts and anharmonicity in gatemon qubits in the weak tunneling regime

Utkan Gungordu, Rusko Ruskov, Silas Hoffman, Kyle Serniak, Andrew J. Kerman, Charles Tahan · 2026

Gatemon qubits are based on a superconductor-quantum dot-superconductor (S-QD-S) junction which enables in situ electrostatic tuning via a gate electrode. For a single-channel QD this structure gives …

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Physics Preprint PDF DOI

GSC-QEMit: A Telemetry-Driven Hierarchical Forecast-and-Bandit Framework for Adaptive Quantum Error Mitigation

Steven Szachara, Sheeraja Rajakrishnan, Dylan Jay Van Allen, Jason Pollack, Travis Desell, Daniel Krutz · 2026

Quantum error mitigation (QEM) is essential for extracting reliable results from near-term quantum devices, yet practical deployments must balance mitigation strength against runtime overhead under ti…

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Engineering Preprint PDF DOI

Efficient Near Field Beam Tracking via Thompson Sampling

Junchi Liu, Zijun Wang, Shawn Tsai, Rui Zhang · 2026

The shift to the radiative near field region due to large antenna arrays necessitates beamforming that accounts for both angle and range, evolving mobility management into a joint angular range tracki…

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Mathematics Preprint PDF DOI

Generalized Aubry-Andr\'e formula and continuity of the intersection spectrum of the Almost Mathieu operator

Anton Gorodetski, Victor Kleptsyn · 2026

We consider the spectrum of the Almost Mathieu operator (AMO) and show that the moments of the restriction of the Lebesgue measure to the intersection spectrum $\text{Leb}|_{\Sigma_{\alpha,\lambda}}$ …

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Physics Preprint PDF DOI

Overview of X-ray Thomson scattering measurements of extreme states of matter

Tobias Dornheim, Hannah Bellenbaum, Thomas Gawne, Jan Vorberger, Dirk O. Gericke · 2026

Since its first successful applications in the early 2000s, x-ray Thomson scattering (XRTS) has emerged as one of the most successful tools for the diagnostics of extreme states of matter in the labor…

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AI & Data Science Preprint PDF DOI

VS-DDPM: Efficient Low-Cost Diffusion Model for Medical Modality Translation

Nikoo Moradi, Gijs Luijten, Behrus Hinrichs-Puladi, Jens Kleesiek, Victor Alves, Jan Egger, Andre Ferreira · 2026

Diffusion models produce high-quality synthetic data but suffer from slow inference. We propose 3D Variable-Step Denoising Diffusion Probabilistic Model (VS-DDPM) a framework engineered to maintain ge…

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Physics Preprint PDF DOI

Strain engineering of Andreev spin qubits in Germanium

Vittorio Coppini, Patrick Del Vecchio, Antonio L. R. Manesco, Anton Akhmerov, Valla Fatemi, Bernard van Heck, Stefano Bosco · 2026

Planar germanium heterostructures are promising hosts for hybrid quantum devices due to their compatibility with superconductors, low material disorder, and relaxed fabrication constraints. Also, the …

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Physics Preprint PDF DOI

Floquet mobility edges and transport in a periodically driven generalized Aubry-Andr\'e model

Jayashis Das, Vatsana Tiwari, Manish Kumar, Auditya Sharma · 2026

We investigate the effect of a periodic electric field drive on the generalized Aubry-Andr\'e model, also known as the Ganeshan-Pixley-Das Sarma (GPD) model, which is well known as a host of mobility …

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Biology & Life Sciences Preprint PDF DOI

Local growth laws determine global shape of molluscan shells

Huan Liu, Kaushik Bhattacharya · 2026

Molluscan shells come in various shapes and sizes. Despite this diversity, each species produces a shell with a characteristic shape that is independent of environmental conditions. We seek to underst…

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Physics Preprint PDF DOI

Tailoring Germanium Heterostructures for Quantum Devices with Machine Learning

Patrick Del Vecchio, Kevin Rossi, Giordano Scappucci, Stefano Bosco · 2026

Germanium (Ge) quantum wells are emerging as versatile platforms for quantum devices, supporting high-quality spin qubits and integration with superconducting leads. These applications benefit from st…

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AI & Data Science Preprint PDF DOI

AEL: Agent Evolving Learning for Open-Ended Environments

Wujiang Xu, Jiaojiao Han, Minghao Guo, Kai Mei, Xi Zhu, Han Zhang, Dimitris N. Metaxas · 2026

LLM agents increasingly operate in open-ended environments spanning hundreds of sequential episodes, yet they remain largely stateless: each task is solved from scratch without converting past experie…

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