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Physics Preprint PDF DOI

A common four-beam geometry reveals altitude-stratified GeV pulses in canonical young pulsars

Paul K. H. Yeung, Takayuki Saito · 2026

Despite the diversity and energy dependence of $\gamma$-ray pulse morphologies in Crab, Vela and Dragonfly, the phaseograms of these three canonical young pulsars can be organised within a single four…

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AI & Data Science Preprint PDF DOI

Noise2Map: End-to-End Diffusion Model for Semantic Segmentation and Change Detection

Ali Shibli, Andrea Nascetti, Yifang Ban · 2026

Semantic segmentation and change detection are two fundamental challenges in remote sensing, requiring models to capture either spatial semantics or temporal differences from satellite imagery. Existi…

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Computer Science Preprint PDF DOI

Variational and Majorization Principles in Lattice Reduction

Javier Blanco-Romero, Florina Almenares Mendoza · 2026

Lattice reduction smooths the Gram-Schmidt profile, and we use majorization to describe the local swap mechanism behind that smoothing. In this language, each non-degenerate Lov\'asz swap acts as a T-…

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Physics Preprint PDF DOI

Response to the $^7_\Lambda$He interpretation of MAMI's recent determination of $B_\Lambda(^3_\Lambda$H)

Ryoko Kino, Patrick Achenbach, Pascal Klag, Sho Nagao, Satoshi N. Nakamura, Kotaro Nishi, Josef Pochodzalla, Tianhao Shao (on behalf of the A1 Collaboration) · 2026

We respond to the recent suggestion by A. Gal [arXiv:2604.18259] that the sharp pion-momentum peak at $p_{\pi^-} \approx 113.8$~MeV/$c$ observed in our $^7\mathrm{Li}(e,e^\prime K^+)$ electroproductio…

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Physics Preprint PDF DOI

Proton and kaon production in Au+Au collisions at $\sqrt{s_{\rm NN}}=3$ GeV

Shuang-Jie Liu, Gao-Feng Wei, Yu-Liang Zhao, Feng-Chu Zhou, Zhen Wang · 2026

Within an extended isospin- and momentum-dependent Boltzmann-Uehling-Uhlenbeck transport model, we study the protons, $K^+$ mesons and $\Lambda$ hyperons production in Au+Au collisions at $\sqrt{s_{\r…

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Mathematics Preprint PDF DOI

Exact formulations for rectangular-warehouse single-picker routing with scattered storage in single-block and two-block layouts

George Dunn · 2026

Order picking travel dominates much of warehouse effort, and exact routing is especially valuable when storage is scattered so pick locations are not fixed in advance. We address the single picker rou…

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Mathematics Preprint PDF DOI

Holomorphic disks and tropical Lagrangians

Chris T. Woodward · 2026

We develop a calculus for counting pseudoholomorphic disks with boundary in tropical Lagrangians contained in almost toric manifolds, using our previous work with Venugopalan. The results are mostly i…

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Mathematics Preprint PDF DOI

Weighted Linearization of Vector Fields via a Formal Moser Trick

Arthur Lei Qiu · 2026

Many well-known theorems establish sufficient criteria for linearizability of a vector field in terms of the eigenvalues of its linear approximation. By attaching weights to coordinates so that some d…

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Physics Preprint PDF DOI

Probing Sub-GeV Dark Matter via Migdal Effect-Induced Electron Excitations

Felix Kahlhoefer, Liangliang Su · 2026

The electron ionization predicted by the Migdal effect in dark matter-nucleus scattering enhances experimental sensitivity to sub-GeV dark matter. In this work, we demonstrate that lower-energy electr…

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Physics Preprint PDF DOI

Electronic structure, quasiparticle renormalizations, and magnetic correlations in the alternating single-layer bilayer nickelate La$_5$Ni$_3$O$_{11}$

I. V. Leonov · 2026

Using DFT+DMFT we study the normal-state electronic structure and magnetic correlations of the recently discovered alternating single-layer bilayer Raddlesden-Popper nickelate La$_5$Ni$_3$O$_{11}$ (12…

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AI & Data Science Preprint PDF DOI

AGEL-Comp: A Neuro-Symbolic Framework for Compositional Generalization in Interactive Agents

Mahnoor Shahid, Hannes Rothe · 2026

Large Language Model (LLM)-based agents exhibit systemic failures in compositional generalization, limiting their robustness in interactive environments. This work introduces AGEL-Comp, a neuro-symbol…

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Computer Science Preprint PDF DOI

Differentially Private Contrastive Learning via Bounding Group-level Contribution

Kecen Li, Chen Gong, Zinan Lin, Tianhao Wang, Xiaokui Xiao · 2026

Differentially private (DP) contrastive learning aims to learn general-purpose representations from sensitive data, alleviating the privacy leakage concerns of organizations deploying or sharing embed…

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Physics Preprint PDF DOI

Linear poroelastic response of thin permeable gel films

Caroline Kopecz-Muller (LOMA, NAVIER UMR 8205), Joshua D Mcgraw, Thomas Salez (LOMA) · 2026

When a hydrophilic and deformable porous material is immersed in a bath, it may absorb the solvent and expand by several times its volume, thus forming a highly soft and porous hydrogel. A stress appl…

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Physics Preprint PDF DOI

Point-like Off-pulse GeV Emission from the Millisecond Pulsar PSR J0437-4715

Ziwei Ou · 2026

PSR J0437-4715 is a gamma-ray millisecond pulsar, which has been detected by Fermi-LAT. For understanding the nature, we analyze the GeV gamma-ray data obtained with Fermi-LAT around the pulsar region…

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AI & Data Science Preprint PDF DOI

Cheeger--Hodge Contrastive Learning for Structurally Robust Graph Representation Learning

Mengyang Zhao, Longlong Li, Cunquan Qu · 2026

Graph Contrastive Learning (GCL) has emerged as a prominent framework for unsupervised graph representation learning. However, relying on augmentation design alone to define the invariances learned by…

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Mathematics Preprint PDF DOI

The Neumann problem for the generalized H\'enon equation. Local analysis

Alexander I. Nazarov, Alexandra P. Shcheglova · 2026

For the boundary value problem $$\left\{ \begin{array}{rcll} -\Delta_p u+u^{p-1}&=&|x|^{\alpha}u^{q-1}&\mbox{in }\Omega,\\ \frac{\displaystyle\partial u}{\displaystyle\partial{\bf n}}&=&0&\mbox{on }\p…

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AI & Data Science Preprint PDF DOI

Seeking Consensus: Geometric-Semantic On-the-Fly Recalibration for Open-Vocabulary Remote Sensing Semantic Segmentation

Guanchun Wang, Chenxiao Wu, Xiangrong Zhang, Zelin Peng, Jianxun Lai, Tianyang Zhang, Xu Tang · 2026

Open-vocabulary semantic segmentation (OVSS) in remote sensing images is a promising task that employs textual descriptions for identifying undefined land cover categories. Despite notable advances, e…

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Engineering Preprint PDF DOI

2D and 3D Grasp Planners for the GET Asymmetrical Gripper

Andrew Goldberg, Ethan Ransing, Anton Kourakin, Cael Magner, Edward H. Adelson, Ken Goldberg · 2026

In this paper, we introduce GET-2D-1.0, a fast grasp planner for the GET asymmetrical gripper that operates from a single-view RGB-D image, using the Ferrari-Canny metric and a novel sampling strategy…

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Physics Preprint PDF DOI

Revealing Laser and Electron Beam Evolution in 10-GeV-class Laser-Plasma Accelerators

H. Tang, A. Picksley, C. Benedetti, R. Li, H. E. Tsai, T. Mandal, E. Park, K. Nakamura, J. Stackhouse, D. Terzani, C. B. Schroeder, J. van Tilborg, J. Osterhoff, C. G. R. Geddes, A. J. Gonsalves · 2026

Guiding relativistically intense laser pulses in low-density plasmas enables extended acceleration lengths in laser-plasma accelerators (LPAs), allowing for the production of multi-GeV electron beams.…

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AI & Data Science Preprint PDF DOI

DualGeo: A Dual-View Framework for Worldwide Image Geo-localization

Junchao Cui, Wenqi Shi, Shaoyong Du, Hang He, Xuanzi Ma, Hao Tang, Xiangyang Luo · 2026

Worldwide image geo-localization aims to infer the geographic location of an image captured anywhere on Earth, spanning street, city, regional, national, and continental scales. Existing methods rely …

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