Triplets of closely embedded Hilbert spaces

DOI10.1007/s00020-014-2195-0zbMath1331.47028arXiv1309.0176OpenAlexW2083154630MaRDI QIDQ487206

Aurelian Gheondea, Petru A. Cojuhari

Publication date: 19 January 2015

Published in: Integral Equations and Operator Theory (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1309.0176

zbMATH Keywords

Dirichlet problemHamiltonianweak solutionsclosed embeddingkernel operatorrigged Hilbert spacesdegenerate elliptic operatorstriplet of Hilbert spaces

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) Linear symmetric and selfadjoint operators (unbounded) (47B25) Hilbert spaces with reproducing kernels (= (proper) functional Hilbert spaces, including de Branges-Rovnyak and other structured spaces) (46E22) Weak solutions to PDEs (35D30) Kernel operators (47B34) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70) Close-to-elliptic equations (35H99)

Cites Work

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