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FIRST-ORDER SELFADJOINT SINGULAR DIFFERENTIAL OPERATORS IN A HILBERT SPACE OF VECTOR FUNCTIONS

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dc.contributor.authorsIpek, Pembe; Yilmaz, Bulent; Ismailov, Zameddin I.
dc.date.accessioned2022-03-12T20:32:26Z
dc.date.accessioned2026-01-11T15:47:02Z
dc.date.available2022-03-12T20:32:26Z
dc.date.issued2017
dc.description.abstractIn this article, we give a representation of all selfadjoint extensions of the minimal operator generated by first-order linear symmetric multipoint singular differential expression, with operator coefficient in the direct sum of Hilbert spaces of vector-functions defined at the semi-infinite intervals. To this end we use the Calkin-Gorbachuk method. Finally, the geometry of spectrum set of such extensions is researched.
dc.identifier.doidoiWOS:000403696000002
dc.identifier.issn1072-6691
dc.identifier.urihttps://hdl.handle.net/11424/234397
dc.identifier.wosWOS:000403696000002
dc.language.isoeng
dc.publisherTEXAS STATE UNIV
dc.relation.ispartofELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectMultipoint singular differential expression
dc.subjectdeficiency indeces
dc.subjectsymmetric and selfadjoint differential operator
dc.subjectspectrum
dc.titleFIRST-ORDER SELFADJOINT SINGULAR DIFFERENTIAL OPERATORS IN A HILBERT SPACE OF VECTOR FUNCTIONS
dc.typearticle
dspace.entity.typePublication
oaire.citation.titleELECTRONIC JOURNAL OF DIFFERENTIAL EQUATIONS

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