PhysGuard: Fisher-Guided Gradient Projection for Sim-to-Real Neural PDE Surrogates

arXiv:2606.16602 · cs.LG, cs.NA, math.NA, physics.comp-ph · Submitted 2026-06-15 · Read on arXiv

cs.LG, cs.NA, math.NA, physics.comp-ph

Submitted: 2026-06-15

Updated: 2026-10-27

Terminology

• Fine-Tuning — 3× in this paper · explained in 5 episodes
• Neural Operators — 3× in this paper · explained in 2 episodes
• Core — 2× in this paper · explained in 2 episodes
• Accuracy — 1× in this paper · explained in 1 episode
• Benchmark — 1× in this paper · explained in 2 episodes
• Domain Shift — 1× in this paper · explained in 7 episodes
• Fisher Information — 1× in this paper · explained in 4 episodes
• Sim-to-Real Gap — 1× in this paper · explained in 7 episodes

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