Bahadir O. Guler, Bulent Yilmaz, Zameddin I. Ismailov
Abstract:
We describe all boundedly solvable extensions of minimal operators
generated by first-order linear delay differential operators
in Hilbert spaces of vector-functions on finite intervals.
Also, we study the structure of spectrum of these extensions.
To do this we use methods from operator theory.
Submitted January 10, 2017. Published March 6, 2017.
Math Subject Classifications: 47A20, 47B38.
Key Words: Delay differential expression; boundedly solvable operator.
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Bahadir O. Guler Department of Mathematics Karadeniz Technical University, Turkey email: boguler@ktu.edu.tr |
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Bulent Yilmaz Department of Mathematics Marmara University, Turkey email: bulentyilmaz@marmara.edu.tr |
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Zameddin Ismailov Department of Mathematics Karadeniz Technical University, Turkey email: zameddin.ismailov@gmail.com |
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