First-order selfadjoint singular differential operators in a Hilbert space of vector functions

dc.contributor.authorIpek, Pembe
dc.contributor.authorYilmaz, Bulent
dc.contributor.authorIsmailov, Zameddin
dc.date.accessioned2022-06-01T14:43:13Z
dc.date.available2022-06-01T14:43:13Z
dc.date.issued2017-06-17
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.description.departmentMathematics
dc.formatText
dc.format.extent8 pages
dc.format.medium1 file (.pdf)
dc.identifier.citationIpek, P., Yilmaz, B., & Ismailov, Z. I. (2017). First-order selfadjoint singular differential operators in a Hilbert space of vector functions. <i>Electronic Journal of Differential Equations, 2017</i>(143), pp. 1-8.
dc.identifier.issn1072-6691
dc.identifier.urihttps://hdl.handle.net/10877/15822
dc.language.isoen
dc.publisherTexas State University, Department of Mathematics
dc.rightsAttribution 4.0 International
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/
dc.sourceElectronic Journal of Differential Equations, 2017, San Marcos, Texas: Texas State University and University of North Texas.
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

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