Some Estimates for Eigenfunction Expansions and Spectral Functions Corresponding to Elliptic Differential Operators.

DOI10.7146/math.scand.a-10629zbMath0098.06801OpenAlexW2531371622MaRDI QIDQ3277604

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Publication date: 1961

Published in: MATHEMATICA SCANDINAVICA (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/165769

zbMATH Keywords

partial differential equations

Related Items (5)

Theorie spectrale d'une classe d'operateurs differentiels hypoelliptiques ⋮ Asymptotic estimates for spectral functions connected with hypoelliptic differential operators ⋮ Eigenfunction expansions for partially hypoelliptic operators ⋮ Some estimates for spectral functions connected with formally hypoelliptic differential operators ⋮ Spectral theory for operators generated by elliptic boundary problems with eigenvalue parameter in boundary conditions, I

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