On Some Class of Normal Differential Operators for First Order

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Bilecik Şeyh Edebali Üniversitesi Fen Bilimleri Dergisi
Volume:10 Issue:2
On Some Class of Normal Differential Operators for First Order

On Some Class of Normal Differential Operators for First Order

Pages : 356-362

View : 49 | Download : 86

Publication Date : 2023-11-30

Article Type : Research Paper

Abstract :In this work, we construct the minimal and maximal operators generated by linear differential-operator expression for first order in the Hilbert space of vector-functions on finite symmetric interval. Then, deficiency indices of the minimal operator will be calculated and the space of boundary values of this operator will be constructed. By using of Calkin-Gorbachuk method, the general representation of all normal extensions of the formally normal minimal operator in terms of boundary values will also be established. Moreover we explore the spectrum structure of these extensions.
Keywords : Normal Diferansiyel Operatör, Defekt Sayıları, Sınır Değer Uzayı, Spektrum

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