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scientific article; zbMATH DE number 3798515 - MaRDI portal

scientific article; zbMATH DE number 3798515

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Publication:4743341

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zbMath0506.47029MaRDI QIDQ4743341

Richard C. Brown

Publication date: 1982

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

zbMATH Keywords

minimal condition Dirichlet index for symmetric differential expressions with non-negative coefficients invariance of the index with respect to perturbation of the associated quadratic form selfadjoint restrictions

Mathematics Subject Classification ID

Perturbation theory of linear operators (47A55) General theory of ordinary differential operators (47E05) General theory for ordinary differential equations (34A99)

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