Kre?n–Saakyan and Trace Formulas for a Pair of Canonical Differential Operators |
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Authors: | Perch Melik-Adamyan |
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Institution: | (1) Faculty of Physics, Yerevan State University, 1 Alex Manoogian, 0025 Yerevan, Armenia |
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Abstract: | An analog of the Kreĭn–Saakyan formula is derived for any pair of relatively prime self-adjoint extensions of a minimal symmetric
canonical differential operator. This allows us to deduce a trace formula in the matrix case.
I am grateful to Sh. Saakyan for his interest in this work and lively discussion.
Received: December 8, 2006. Accepted: December 30, 2006. |
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Keywords: | 47E05 34L40 47N10 |
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