On joint spectra of commuting families of operators
W. Żelazko, Z. Słodkowski (1974)
Studia Mathematica
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Displaying similar documents to “Comparison of joint spectra for certain classes of commuting operators”
On joint spectra of commuting families of operators
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Spectral properties of doubly commuting hyponormal operators
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On the axiomatic theory of spectrum
V. Kordula, V. Müller (1996)
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There are a number of spectra studied in the literature which do not fit into the axiomatic theory of Żelazko. This paper is an attempt to give an axiomatic theory for these spectra, which, apart from the usual types of spectra, like one-sided, approximate point or essential spectra, include also the local spectra, the Browder spectrum and various versions of the Apostol spectrum (studied under various names, e.g. regular, semiregular or essentially semiregular).
The boundary of the spectrum of a linear Operatoro
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On the characterization of scalar type spectral operators
P. A. Cojuhari, A. M. Gomilko (2008)
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The paper is concerned with conditions guaranteeing that a bounded operator in a reflexive Banach space is a scalar type spectral operator. The cases where the spectrum of the operator lies on the real axis and on the unit circle are studied separately.
The beginning of the spectral theory of Nevanlinna's mapping from topological space to endomorphisms algebra of Banach space and its applications.
Ragimov, Misir B. (2003)
Bulletin of the Malaysian Mathematical Sciences Society. Second Series
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An axiomatic approach to joint spectra I
W. Żelazko (1979)
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Identity of Taylor's joint spectrum and Dash's joint spectrum
Muneo Chō, Makoto Takaguchi (1981)
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Approximation of positive operators and continuity of the spectral radius. II.
V. Caselles, F. Aràndiga (1992)
Mathematische Zeitschrift
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