Discreteness of the spectrum of a boundary-value problem

DOI10.1007/BF00966580zbMath0467.34017MaRDI QIDQ1155767

J. Macionis

Publication date: 1981

Published in: Lithuanian Mathematical Journal (Search for Journal in Brave)

zbMATH Keywords

eigenvalue problemseparable Hilbert space

Mathematics Subject Classification ID

Equations and inequalities involving linear operators, with vector unknowns (47A50) Ordinary differential operators (34L99)

Cites Work

• Defect subspaces and generalized resolvents of an Hermitian operator in the space \(\Pi_\kappa\)
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