scientific article; zbMATH DE number 2187868

zbMath1082.47019MaRDI QIDQ5461077

A. A. El Sabbagh

Publication date: 21 July 2005

Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

Hilbert spaceKrein spaceboundary value problemsymmetric operatorselfadjoint extension\(Q\)-f

Mathematics Subject Classification ID

Linear symmetric and selfadjoint operators (unbounded) (47B25) General theory of ordinary differential operators (47E05) Applications of operator theory to differential and integral equations (47N20) Linear operators on spaces with an indefinite metric (47B50)

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