On the Pointwise Regularization of Elliptic Eigenfunction Expansions

DOI10.1112/blms/18.1.44zbMath0567.35029OpenAlexW2025978071MaRDI QIDQ5902766

Harvey Diamond, Mark A. Kon, Louise A. Raphael

Publication date: 1986

Published in: Bulletin of the London Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1112/blms/18.1.44

zbMATH Keywords

ill posed problemexpansions in eigenfunctionspointwise regularizationsharp scaling of the error

Mathematics Subject Classification ID

Ill-posed problems for PDEs (35R25) Completeness of eigenfunctions and eigenfunction expansions in context of PDEs (35P10) Higher-order elliptic equations (35J30)