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Author

Hao-Ran Duan

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Open access Sep 2026

Rimnet: a deep finite volume method with hybrid neural–numerical Riemann flux approximation in the 1D shallow water equations

This study introduces a deep-learned finite volume method (DFVM) – a hybrid neural-numerical scheme that embeds neural flux modules within a Godunov-type finite volume solution framework (RimNet) for solving the 1D shallow water equations. Acting as a modular surrogate for a classical Riemann solver, RimNet estimates...

Jing-Xiao Wu, Qiu-Hua Liang, Hui-Li Chen et al. · 0 citations
Preprint Aug 2026

PhaseLoRA: Control-Regime-Conditioned Low-Rank Adaptation for Continuous-Action Vision-Language-Action Policies

A lightweight LoRA parameterization that conditions adaptation at each action-chunk prediction step using two weakly supervised descriptors: fine-control tendency and event/boundary intensity is proposed, establishing within-trajectory conditioning as an effective lightweight PEFT axis for continuous-action VLA policie...

Yu-Fei Guo, Yi-Nan Wu, Hao-Ran Duan et al. · 0 citations

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