Qualitative properties of the peripheral spectrum
Jaroslav Zemánek (2007)
Banach Center Publications
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Displaying similar documents to “On the largest generalized joint spectrum”
Qualitative properties of the peripheral spectrum
The joint approximate spectrum of a finite system of elements of a C*-algebra
GH. Mocanu (1974)
Studia Mathematica
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Locality and Covariance of the Spectrum
H. J. Borchers (1986)
Recherche Coopérative sur Programme n°25
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On a quantitative refinement of the Lagrange spectrum
Edward B. Burger, Amanda Folsom, Alexander Pekker, Rungporn Roengpitya, Julia Snyder (2002)
Acta Arithmetica
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Correction to "Method od orthogonal projections and approximation of the spectrum of a bounded operator" Studia Math. 65 (1979), 21-29
Andrzej Pokrzywa (1985)
Studia Mathematica
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An axiomatic approach to joint spectra I
W. Żelazko (1979)
Studia Mathematica
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On joint spectra of commuting families of operators
W. Żelazko, Z. Słodkowski (1974)
Studia Mathematica
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On one subset M. Schechter's essential spectrum
V. Rakočević (1981)
Matematički Vesnik
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Different spectra for nonlinear operators.
Catană, Petronela (2005)
Analele Ştiinţifice ale Universităţii “Ovidius" Constanţa. Seria: Matematică
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The Spectrum of Dynamical Systems Arising from Substitutions of Constant Length
F. M. Dekking (1976)
Publications mathématiques et informatique de Rennes
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On the axiomatic theory of spectrum
V. Kordula, V. Müller (1996)
Studia Mathematica
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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).
Taylor Spectrum and Characteristic Functions of Commuting 2-Contractions
Bendoukha, Berrabah (2008)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: 47A10, 47A13. In this paper, we give a description of Taylor spectrum of commuting 2-contractions in terms of characteritic functions of such contractions. The case of a single contraction obtained by B. Sz. Nagy and C. Foias is generalied in this work.