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hal.structure.identifierInstitut de Mathématiques de Bordeaux [IMB]
dc.contributor.authorKUPIN, Stanislas
dc.contributor.authorNABOKO, S
dc.date.accessioned2024-04-04T03:03:24Z
dc.date.available2024-04-04T03:03:24Z
dc.date.created2017
dc.date.issued2018
dc.identifier.issn0176-4276
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/193068
dc.description.abstractEnWe are interested in the phenomenon of the essential spectrum instability for a class of unbounded (block) Jacobi matrices. We give a series of sufficient conditions for the matrices from certain classes to have a discrete spectrum on a half-axis of a real line. An extensive list of examples showing the sharpness of obtained results is provided.
dc.language.isoen
dc.publisherSpringer Verlag
dc.subject.enunbounded (block) Jacobi matrices
dc.subject.eninstability of the essential spectrum
dc.subject.enLevinson's asymptotic theory
dc.subject.enGilbert-Pearson subordinacy theory
dc.title.enON THE INSTABILITY OF THE ESSENTIAL SPECTRUM FOR BLOCK JACOBI MATRICES
dc.typeArticle de revue
dc.subject.halMathématiques [math]/Théorie spectrale [math.SP]
bordeaux.journalConstructive Approximation
bordeaux.page473-500
bordeaux.volume48
bordeaux.hal.laboratoriesInstitut de Mathématiques de Bordeaux (IMB) - UMR 5251*
bordeaux.issue3
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionBordeaux INP
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-01950623
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01950623v1
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