Multipoint selfadjoint quasi-differential operators for first order
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Tarih
2019-02-01Yazar
Yılmaz, Bülent
Mert, Rukiye Öztürk
Ismailov, Zameddin İ.
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In the present paper, the aim is to described all selfadjoint extensions of the minimal operator generated by first order linear symmetric multipoint quasi-differential operator expression in the direct sum of weighted Hilbert spaces of vector-functions defined at the semi-infinite intervals by using the Calkin-Gorbachuk method. We have also examine the structure of the spectrum of such extensions.