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Physics Preprint PDF DOI

Invariant manifolds in barred galaxy simulations. I. Material density waves

Toni Soler-Terricabras, Merce Romero-Gomez, Santi Roca-Fabrega · 2026

We investigate the dynamical origin and kinematic signatures of spiral structure in an N-body simulation of an isolated barred galaxy, assessing whether invariant manifold theory provides a consistent…

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Biology & Life Sciences Preprint PDF DOI

The Curse of Black Sigatoka: A Backward Bifurcation Perspective

Bernard Asamoah Afful, Luis F. Gordillo · 2026

Black Sigatoka disease (BSD), also known as black leaf streak disease, is an airborne fungal infection caused by \textit{Pseudocercospora fijiensis} that severely impacts global banana and plantain pr…

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AI & Data Science Preprint PDF DOI

Seeing Is No Longer Believing: Frontier Image Generation Models, Synthetic Visual Evidence, and Real-World Risk

Shuai Wu, Xue Li, Yanna Feng, Yufang Li, Zhijun Wang, Ran Wang · 2026

Frontier image generation has moved from artistic synthesis toward synthetic visual evidence. Systems such as GPT Image 2, Nano Banana Pro, Nano Banana 2, Grok Imagine, Qwen Image 2.0 Pro, and Seedrea…

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Engineering Preprint PDF DOI

Learning to Trust AI and Data-driven models in Data Assimilation through a Multifidelity Ensemble Gaussian Mixture Filter Framework

Andrey A. Popov · 2026

AI and data-driven models have large potential for data assimilation applications by creating fast and accurate forecasts. Their tendency to produce spurious inaccurate, nonphysical results -- halluci…

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Physics Preprint PDF DOI

Kinematic Flow for Banana Loops and Unparticles

Tom Westerdijk, Chen Yang · 2026

We extend kinematic flow to momentum-integrated loop-level cosmological correlators, focusing on banana loops of conformally coupled scalars in power-law cosmologies and, in de Sitter, on arbitrary mi…

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AI & Data Science Preprint PDF DOI

Image Generators are Generalist Vision Learners

Valentin Gabeur, Shangbang Long, Songyou Peng, Paul Voigtlaender, Shuyang Sun, Yanan Bao, Karen Truong, Zhicheng Wang, Wenlei Zhou, Jonathan T. Barron, Kyle Genova, Nithish Kannen, Sherry Ben, Yandong Li, Mandy Guo, Suhas Yogin, Yiming Gu, Huizhong Chen, Oliver Wang, Saining Xie, Howard Zhou, Kaiming He, Thomas Funkhouser, Jean-Baptiste Alayrac, Radu Soricut · 2026

Recent works show that image and video generators exhibit zero-shot visual understanding behaviors, in a way reminiscent of how LLMs develop emergent capabilities of language understanding and reasoni…

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AI & Data Science Preprint PDF DOI

Wan-Image: Pushing the Boundaries of Generative Visual Intelligence

Chaojie Mao, Chen-Wei Xie, Chongyang Zhong, Haoyou Deng, Jiaxing Zhao, Jie Xiao, Jinbo Xing, Jingfeng Zhang, Jingren Zhou, Jingyi Zhang, Jun Dan, Kai Zhu, Kang Zhao, Keyu Yan, Minghui Chen, Pandeng Li, Shuangle Chen, Tong Shen, Yu Liu, Yue Jiang, Yulin Pan, Yuxiang Tuo, Zeyinzi Jiang, Zhen Han, Ang Wang, Bang Zhang, Baole Ai, Bin Wen, Boang Feng, Feiwu Yu, Gang Wang, Haiming Zhao, He Kang, Jianjing Xiang, Jianyuan Zeng, Jinkai Wang, Junjie Zhou, Ke Sun, Linqian Wu, Pei Gong, Pingyu Wu, Ruiwen Wu, Tongtong Su, Wenmeng Zhou, Wenting Shen, Wenyuan Yu, Xianjun Xu, Xiaoming Huang, Xiejie Shen, Xin Xu, Yan Kou, Yangyu Lv, Yifan Zhai, Yitong Huang, Yun Zheng, Yuntao Hong, Zhe Zhang, Zhicheng Zhang · 2026

We present Wan-Image, a unified visual generation system explicitly engineered to paradigm-shift image generation models from casual synthesizers into professional-grade productivity tools. While cont…

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AI & Data Science Preprint PDF DOI

SWNet: A Cross-Spectral Network for Camouflaged Weed Detection

Henry O. Velesaca, Luigi Miranda, Angel D. Sappa · 2026

This paper presents SWNet, a bimodal end-to-end cross-spectral network specifically engineered for the detection of camouflaged weeds in dense agricultural environments. Plant camouflage, characterize…

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AI & Data Science Preprint PDF DOI

Making Image Editing Easier via Adaptive Task Reformulation with Agentic Executions

Bo Zhao, Kairui Guo, Runnan Du, Haiyang Sun, Pengshan Wang, Huan Yang, Kun Gai, Yixin Cao, Wei Ji · 2026

Instruction guided image editing has advanced substantially with recent generative models, yet it still fails to produce reliable results across many seemingly simple cases. We observe that a large po…

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AI & Data Science Preprint PDF DOI

Dehaze-then-Splat: Generative Dehazing with Physics-Informed 3D Gaussian Splatting for Smoke-Free Novel View Synthesis

Boss Chen, Hanqing Wang · 2026

We present Dehaze-then-Splat, a two-stage pipeline for multi-view smoke removal and novel view synthesis developed for Track~2 of the NTIRE 2026 3D Restoration and Reconstruction Challenge. In the fir…

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AI & Data Science Preprint PDF DOI

Arbitration Failure, Not Perceptual Blindness: How Vision-Language Models Resolve Visual-Linguistic Conflicts

Farhad Nooralahzadeh, Omid Rohanian, Yi Zhang, Jonathan Furst, Kurt Stockinger · 2026

When a Vision-Language Model (VLM) sees a blue banana and answers "yellow", is the problem of perception or arbitration? We explore the question in ten VLMs with various sizes and reveal an Encoding-G…

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Physics Preprint PDF DOI

Discrete symmetries of Feynman integrals

Claude Duhr, Sara Maggio, Cathrin Semper, Sven F. Stawinski · 2026

We perform a comprehensive study of a certain class of discrete symmetries of families of Feynman integrals, defined as affine changes of variables that map different sectors of the family into each o…

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AI & Data Science Preprint PDF DOI

Personalizing Text-to-Image Generation to Individual Taste

Anne-Sofie Maerten, Juliane Verwiebe, Shyamgopal Karthik, Ameya Prabhu, Johan Wagemans, Matthias Bethge · 2026

Modern text-to-image (T2I) models generate high-fidelity visuals but remain indifferent to individual user preferences. While existing reward models optimize for "average" human appeal, they fail to c…

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AI & Data Science Preprint PDF DOI

3D Smoke Scene Reconstruction Guided by Vision Priors from Multimodal Large Language Models

Xinye Zheng, Fei Wang, Yiqi Nie, Kun Li, Junjie Chen, Jiaqi Zhao, Yanyan Wei, Zhiliang Wu · 2026

Reconstructing 3D scenes from smoke-degraded multi-view images is particularly difficult because smoke introduces strong scattering effects, view-dependent appearance changes, and severe degradation o…

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Mathematics Preprint PDF DOI

Analytic Non-Gaussian Confidence Boundary Method for Chance-Constrained Trajectory Control

Ethan Burnett, Spencer Boone · 2026

Standard chance constrained control algorithms typically rely on the assumption that uncertainties in vehicle states obey Gaussian statistics. Highly nonlinear systems tend to disrupt Gaussianity, cha…

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AI & Data Science Preprint PDF DOI

Banana100: Breaking NR-IQA Metrics by 100 Iterative Image Replications with Nano Banana Pro

Kenan Tang, Praveen Arunshankar, Andong Hua, Anthony Yang, Yao Qin · 2026

The multi-step, iterative image editing capabilities of multi-modal agentic systems have transformed digital content creation. Although latest image editing models faithfully follow instructions and g…

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AI & Data Science Preprint PDF DOI

CAMEO: A Conditional and Quality-Aware Multi-Agent Image Editing Orchestrator

Yuhan Pu, Hao Zheng, Ziqian Mo, Hill Zhang, Tianyi Fan, Shuhong Wu, Jiaheng Wei · 2026

Conditional image editing aims to modify a source image according to textual prompts and optional reference guidance. Such editing is crucial in scenarios requiring strict structural control (i.e., an…

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AI & Data Science Preprint PDF DOI

Can Nano Banana 2 Replace Traditional Image Restoration Models? An Evaluation of Its Performance on Image Restoration Tasks

Weixiong Sun, Xiang Yin, Chao Dong · 2026

Recent advances in generative AI raise the question of whether general-purpose image editing models can serve as unified solutions for image restoration. In this work, we conduct a systematic evaluati…

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Physics Preprint PDF DOI

An All-Loop Amplituhedron in Two Dimensions

Jonah Stalknecht · 2026

We define and study a positive geometry $\Delta^{(L)}$ which serves as a natural generalization of loop amplituhedra to two-dimensional Minkowski space $\mathbb{R}^{1,1}$. The geometry is formulated i…

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Earth & Environmental Sciences Preprint PDF DOI

Antimatter Propulsion for Interstellar Travel via Positron Production from Potassium-40 Rich Biological Matter

C. Hall, L. N. H. P. Hall · 2026

Anitmatter-based propulsion is often cited as a physically plausible route to relativistic interstellar travel, and thus as a potential mechanism by which technologically advanced civilizations could …

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