Spectral Decomposition of Symmetric Oper
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Reinhard Mennicken; Andrey A. Shkalikov
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Article
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1996
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John Wiley and Sons
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English
⚖ 649 KB
The authors study symmetric operator matrices A B = ( B ' C ) in the product of Hilbert spaces H = Hi xH2, where the entries are not necessarily bounded operators. Under suitable assumptions the closure Lo exists and is a selfadjoint operator in H. With Lo, the closure of the transfer function M(X)