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Prépublication · 2026 arXiv EN

Commutative Coarse-graining on the Sphere

Filtering by spatial convolution underlies coarse-graining and Large Eddy Simulation, the analysis of multiscale dynamics, and data processing across the sciences. Yet, as commonly practiced on the sphere, it violates a basic consistency requirement: commutati...

Chayut Teeraratkul, Hussein Aluie #physics.comp-ph