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Pseudo-Differential Neural Operator: Generalized Fourier Neural Operator for Learning Solution Operators of Partial Differential Equations
March 5, 2024, 2:44 p.m. | Jin Young Shin, Jae Yong Lee, Hyung Ju Hwang
cs.LG updates on arXiv.org arxiv.org
Abstract: Learning the mapping between two function spaces has garnered considerable research attention. However, learning the solution operator of partial differential equations (PDEs) remains a challenge in scientific computing. Fourier neural operator (FNO) was recently proposed to learn solution operators, and it achieved an excellent performance. In this study, we propose a novel \textit{pseudo-differential integral operator} (PDIO) to analyze and generalize the Fourier integral operator in FNO. PDIO is inspired by a pseudo-differential operator, which is …
abstract arxiv attention challenge computing cs.lg cs.na differential fourier function generalized learn mapping math.na operators research solution spaces type
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