Approximation of the spectrum of closed operators: The determination of normal modes of a rotating basin

Jean Descloux, Mitchell Luskin, Jacques Rappaz

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

This paper gives a theory of spectral approximation for closed operators in Banach spaces. The perturbation theory developed in this paper is applied to the study of a finite element procedure for approximating the spectral properties of a differential system modeling a fluid in a rotating basin.

Original languageEnglish (US)
Pages (from-to)137-154
Number of pages18
JournalMathematics of Computation
Volume36
Issue number153
DOIs
StatePublished - Jan 1981

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