Spectrum of the Direct Sum of Operators

zbMath1285.47005arXiv1105.4223MaRDI QIDQ5409225

E. Otkun Çevik, Zameddin I. Ismailov

Publication date: 14 April 2014

Full work available at URL: https://arxiv.org/abs/1105.4223

zbMATH Keywords

eigenvaluesspectrumresolvent setdiscrete spectrumcompact operatorsdirect sum of Hilbert spaces

Mathematics Subject Classification ID

Spectrum, resolvent (47A10)

Related Items (8)

Gaps between some spectral characteristics of direct sum of Hilbert space operators ⋮ Some gap relations between operator norm with spectral and numerical radii of direct sum Hilbert space operators ⋮ Schatten-von Neumann characteristic of infinite tridiagonal block operator matrices ⋮ Unnamed Item ⋮ Lorentz-Schatten classes of direct sum of operators ⋮ $S$-spectra and $S$-essential pseudospectra of the diagonal block operator matrices ⋮ Decomposition of the \((n,\epsilon)\)-pseudospectrum of an element of a Banach algebra ⋮ Lorentz-Marcinkiewicz property of direct sum of operators

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