Some order-of-magnitude estimates for nonorthonormalized fundamental (in Il'in's sense) system of functions of the Laplace operator

DOI10.1023/A:1016315817039zbMath1274.35069MaRDI QIDQ1874925

M. A. Soldatova

Publication date: 25 May 2003

Published in: Differential Equations (Search for Journal in Brave)

Mathematics Subject Classification ID

Completeness of eigenfunctions and eigenfunction expansions in context of PDEs (35P10) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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