beignet: A Neural Field Architecture with Multiresolution Fourier Pyramids for Fast PDE Solving

jon_barron · x · 2026-10-21

A new neural field architecture called beignet uses a multiresolution Fourier frequency pyramid to achieve faster convergence and higher precision when solving PDEs and finding singularities. The teaser shows it fitting an image remarkably fast. Shared via a retweet by Jon Barron (Google Research); full details pending the paper.

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