Complex-plane singularity dynamics for blow up in a nonlinear heat equation: analysis and computation

DOI10.1088/1361-6544/ad700bzbMath1547.35117MaRDI QIDQ6601328

J. A. C. Weideman, Marco Fasondini, John R. King

Publication date: 10 September 2024

Published in: Nonlinearity (Search for Journal in Brave)

zbMATH Keywords

Padé approximationmatched asymptotic expansionscomplex singularitiesFourier spectral methodsnonlinear blow-up

Mathematics Subject Classification ID

Padé approximation (41A21) Asymptotic expansions of solutions to PDEs (35C20) Initial value problems for second-order parabolic equations (35K15) Singularity in context of PDEs (35A21) Blow-up in context of PDEs (35B44) Semilinear parabolic equations (35K58)

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