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Author

Yanhai Gan

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Open access Aug 2026

Dual-Branch State-Displacement Network for Sea Surface Temperature Super-Resolution

A dual-branch state-displacement network (DBSD-Net) for SST super-resolution is proposed, which introduces a structural state space module with a gated structure refinement unit to efficiently capture long-range dependencies and enhance structural integrity.

Wan-Kun Chen, Feng Gao, Yan-Hai Gan et al. · 0 citations
Preprint Aug 2026

One-Step Evolution for Long-Time Extrapolation: An Error-Bound-Informed and Prior-Guided Neural Residual Framework for Autonomous PDEs

A numerical-prior-guided, physics-constrained method trained without ground-truth trajectory supervision that reduces long-time extrapolation error relative to the numerical prior and outperforms the best competing baseline in each case, thereby improving long-time simulation accuracy across different PDEs without grou...

Maqun Zhang, Feng Gao, Wan-Kun Chen et al. · 0 citations
Preprint Jul 2026

Incomplete Observations Boost Evolutionary Performance in Ocean Modeling

This work offers a scalable pathway for next-generation Earth system models to learn directly from sparse, incomplete real-world observations and derives an optimization framework based on the expectation-maximization (EM) algorithm that enable learning directly from sparse and noisy observations.

Yangyang Kong, Yutong Jiang, Yanhai Gan et al. · 0 citations

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