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Publication:2752819
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zbMath0994.47005MaRDI QIDQ2752819

Volker Hardt, Reinhard Mennicken

Publication date: 21 October 2001


Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.

zbMATH Keywords

product operatorsnonselfadjoint \(2\times 2\) operator matrices


Mathematics Subject Classification ID

Spectrum, resolvent (47A10) Spectral sets of linear operators (47A25) Matrix and operator functional equations (39B42)


Related Items (8)

Quasi-normal modes for Dirac fields in the Kerr–Newman–de Sitter black holes ⋮ On some essential spectra of off-diagonal block operator matrix with application ⋮ Spectral theory of the Klein-Gordon equation in Pontryagin spaces ⋮ Certain properties involving the unbounded operators \(p(T)\), \(TT^\ast\), and \(T^\ast T\); and some applications to powers and \textit{nth} roots of unbounded operators ⋮ Local definitizability of \(T^{[\ast}T\) and \(TT^{[\ast]}\)] ⋮ Unnamed Item ⋮ Right (or left) invertibility of bounded and unbounded operators and applications to the spectrum of products ⋮ Spectral functions of products of selfadjoint operators






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