Tests for completeness of root subspaces of a differentiation operator with abstract boundary conditions

DOI10.1007/BF01137805zbMath0481.47029OpenAlexW2084985743MaRDI QIDQ1161902

A. I. Kovalenko, Gennadiy Gubreev

Publication date: 1981

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

Full work available at URL: https://doi.org/10.1007/bf01137805

zbMATH Keywords

root subspaceeigenvector systemcomplete and minimal exponent systemcompleteness criterion for the exponent systemfunctional boundary value condition

Mathematics Subject Classification ID

Sobolev spaces and other spaces of ``smooth functions, embedding theorems, trace theorems (46E35) General theory of ordinary differential operators (47E05) (Generalized) eigenfunction expansions of linear operators; rigged Hilbert spaces (47A70) Uniqueness and localization for orthogonal series (42C25)

Related Items (1)

Spectral synthesis in Hilbert spaces of entire functions

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