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Physics Preprint PDF DOI

Endwall and leading-edge film cooling of turbine blades in a hydrogen-fueled rotating detonation combustor-turbine coupled system

Yeqi Zhou, Songbai Yao, Jingtian Yu, Weijia Qian, Ping Wang, Wenwu Zhang ยท 2026

This study performs a three-dimensional numerical simulation of the coupled flow field in a hydrogen-air rotating detonation combustor (RDC)-turbine system to evaluate the effectiveness of different fโ€ฆ

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AI & Data Science Preprint PDF DOI

Predicting Power-System Dynamic Trajectories with Foundation Models

Haoran Li, Lihao Mai, Chenhan Xiao, Erik Blasch, Yang Weng ยท 2026

As power systems transition toward renewable-rich and inverter-dominated operations, accurate time-domain dynamic analysis becomes increasingly critical. Such analysis supports key operational tasks, โ€ฆ

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AI & Data Science Preprint PDF DOI

Dr. RTL: Autonomous Agentic RTL Optimization through Tool-Grounded Self-Improvement

Wenji Fang, Yao Lu, Shang Liu, Jing Wang, Ziyan Guo, Junxian He, Fengbin Tu, Zhiyao Xie ยท 2026

Recent advances in large language models (LLMs) have sparked growing interest in automatic RTL optimization for better performance, power, and area (PPA). However, existing methods are still far from โ€ฆ

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Engineering Preprint PDF DOI

Momentum-constrained Hybrid Heuristic Trajectory Optimization Framework with Residual-enhanced DRL for Visually Impaired Scenarios

Yuting Zeng, Zhiwen Zheng, Jingya Wang, You Zhou, JiaLing Xiao, Yongbin Yu, Manping Fan, Bo Gong, Liyong Ren ยท 2026

Safe and efficient assistive planning for visually impaired scenarios remains challenging, since existing methods struggle with multi-objective optimization, generalization, and interpretability. In rโ€ฆ

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AI & Data Science Preprint PDF DOI

Hybrid Decision Making via Conformal VLM-generated Guidance

Debodeep Banerjee, Burcu Sayin, Stefano Teso, Andrea Passerini ยท 2026

Building on recent advances in AI, hybrid decision making (HDM) holds the promise of improving human decision quality and reducing cognitive load. We work in the context of learning to guide (LtG), a โ€ฆ

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AI & Data Science Preprint PDF DOI

UniDoc-RL: Coarse-to-Fine Visual RAG with Hierarchical Actions and Dense Rewards

Jun Wang, Shuo Tan, Zelong Sun, Tiancheng Gu, Yongle Zhao, Ziyong Feng, Kaicheng Yang, Zhiwu Lu ยท 2026

Retrieval-Augmented Generation (RAG) extends Large Vision-Language Models (LVLMs) with external visual knowledge. However, existing visual RAG systems typically rely on generic retrieval signals that โ€ฆ

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AI & Data Science Preprint PDF DOI

Frequency-Enhanced Dual-Subspace Networks for Few-Shot Fine-Grained Image Classification

Meijia Wang, Guochao Wang, Haozhen Chu, Bin Yao, Weichuan Zhang, Yuan Wang, Junpo Yang ยท 2026

Few-shot fine-grained image classification aims to recognize subcategories with high visual similarity using only a limited number of annotated samples. Existing metric learning-based methods typicallโ€ฆ

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Computer Science Preprint PDF DOI

MLDAS: Machine Learning Dynamic Algorithm Selection for Software-Defined Networking Security

Pablo Benlloch, Oscar Romero, Antonio Leon, Jaime Lloret ยท 2026

Network security is a critical concern in the digital landscape of today, with users demanding secure browsing experiences and protection of their personal data. This study explores the dynamic integrโ€ฆ

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AI & Data Science Preprint PDF DOI

FedGUI: Benchmarking Federated GUI Agents across Heterogeneous Platforms, Devices, and Operating Systems

Wenhao Wang, Haoting Shi, Mengying Yuan, Yiquan Lin, Panrong Tong, Hanzhang Zhou, Guangyi Liu, Pengxiang Zhao, Yue Wang, Siheng Chen ยท 2026

Training GUI agents with traditional centralized methods faces significant cost and scalability challenges. Federated learning (FL) offers a promising solution, yet its potential is hindered by the laโ€ฆ

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AI & Data Science Preprint PDF DOI

Prompt-to-Gesture: Measuring the Capabilities of Image-to-Video Deictic Gesture Generation

Hassan Ali, Doreen Jirak, Luca Muller, Stefan Wermter ยท 2026

Gesture recognition research, unlike NLP, continues to face acute data scarcity, with progress constrained by the need for costly human recordings or image processing approaches that cannot generate aโ€ฆ

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AI & Data Science Preprint PDF DOI

RaTA-Tool: Retrieval-based Tool Selection with Multimodal Large Language Models

Gabriele Mattioli, Evelyn Turri, Sara Sarto, Lorenzo Baraldi, Marcella Cornia, Lorenzo Baraldi, Rita Cucchiara ยท 2026

Tool learning with foundation models aims to endow AI systems with the ability to invoke external resources -- such as APIs, computational utilities, and specialized models -- to solve complex tasks bโ€ฆ

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Engineering Preprint PDF DOI

HRDexDB: A Large-Scale Dataset of Dexterous Human and Robotic Hand Grasps

Jongbin Lim, Taeyun Ha, Mingi Choi, Jisoo Kim, Byungjun Kim, Subin Jeon, Hanbyul Joo ยท 2026

We present HRDexDB, a large-scale, multi-modal dataset of high-fidelity dexterous grasping sequences featuring both human and diverse robotic hands. Unlike existing datasets, HRDexDB provides a compreโ€ฆ

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Computer Science Preprint PDF DOI

What if we have 90 minutes only to teach programming?

Attila Egri-Nagy ยท 2026

Programming is about automation in a wide variety of domains. Developing itself is one of those. As a side-effect, progress in automated coding may make people less willing to learn computer programmiโ€ฆ

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AI & Data Science Preprint PDF DOI

Text2Arch: A Dataset for Generating Scientific Architecture Diagrams from Natural Language Descriptions

Shivank Garg, Sankalp Mittal, Manish Gupta ยท 2026

Communicating complex system designs or scientific processes through text alone is inefficient and prone to ambiguity. A system that automatically generates scientific architecture diagrams from text โ€ฆ

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AI & Data Science Preprint PDF DOI

WavAlign: Enhancing Intelligence and Expressiveness in Spoken Dialogue Models via Adaptive Hybrid Post-Training

Yifu Chen, Shengpeng Ji, Qian Chen, Tianle Liang, Yangzhuo Li, Ziqing Wang, Wen Wang, Jingyu Lu, Haoxiao Wang, Xueyi Pu, Fan Zhuo, Zhou Zhao ยท 2026

End-to-end spoken dialogue models have garnered significant attention because they offer a higher potential ceiling in expressiveness and perceptual ability than cascaded systems. However, the intelliโ€ฆ

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Physics Preprint PDF DOI

Learning to Concatenate Quantum Codes

Nico Meyer, Christopher Mutschler, Dominik Seu{ss}, Andreas Maier, Daniel D. Scherer ยท 2026

Concatenating quantum error correction codes scales error correction capability by driving logical error rates down double-exponentially across levels. However, the noise structure shifts under concatโ€ฆ

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Computer Science Preprint PDF DOI

STEP-Parts: Geometric Partitioning of Boundary Representations for Large-Scale CAD Processing

Shen Fan, Miko{l}aj Kida, Przemyslaw Musialski ยท 2026

Many CAD learning pipelines discretize Boundary Representations (B-Reps) into triangle meshes, discarding analytic surface structure and topological adjacency and thereby weakening consistent instanceโ€ฆ

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AI & Data Science Preprint PDF DOI

Improving Sparse Autoencoder with Dynamic Attention

Dongsheng Wang, Jinsen Zhang, Dawei Su, Hui Huang ยท 2026

Recently, sparse autoencoders (SAEs) have emerged as a promising technique for interpreting activations in foundation models by disentangling features into a sparse set of concepts. However, identifyiโ€ฆ

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AI & Data Science Preprint PDF DOI

LongAct: Harnessing Intrinsic Activation Patterns for Long-Context Reinforcement Learning

Bowen Ping, Zijun Chen, Tingfeng Hui, Qize Yu, Chenxuan Li, Junchi Yan, Baobao Chang ยท 2026

Reinforcement Learning (RL) has emerged as a critical driver for enhancing the reasoning capabilities of Large Language Models (LLMs). While recent advancements have focused on reward engineering or dโ€ฆ

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AI & Data Science Preprint PDF DOI

Dual-Axis Generative Reward Model Toward Semantic and Turn-taking Robustness in Interactive Spoken Dialogue Models

Yifu Chen, Shengpeng Ji, Zhengqing Liu, Qian Chen, Wen Wang, Ziqing Wang, Yangzhuo Li, Tianle Liang, Zhou Zhao ยท 2026

Achieving seamless, human-like interaction remains a key challenge for full-duplex spoken dialogue models (SDMs). Reinforcement learning (RL) has substantially enhanced text- and vision-language modelโ€ฆ

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