The Bar Spectral Sequence converging to h*(SO(2n+1)).
Vidhyanath K. Rao (1989)
Manuscripta mathematica
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Vidhyanath K. Rao (1989)
Manuscripta mathematica
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A. Bourhim (2004)
Studia Mathematica
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We study the local spectral properties of both unilateral and bilateral weighted shift operators.
Elmar Schrohe, Hans-Gern Leopold (1993)
Manuscripta mathematica
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Irene Rousseau (2001)
Visual Mathematics
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Mostafa Mbekhta, Jaroslav Zemánek (2007)
Banach Center Publications
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Benalili, Mohammed, Lansari, Azzedine (2005)
Lobachevskii Journal of Mathematics
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Winfried Kaballo, Albert Schneider (1979)
Manuscripta mathematica
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M. T. Karaev (2006)
Colloquium Mathematicae
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Tosio Kato (1982)
Mathematische Zeitschrift
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Zenon Jan Jabłoński, Il Bong Jung, Jan Stochel (2013)
Studia Mathematica
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An absolute continuity approach to quasinormality which relates the operator in question to the spectral measure of its modulus is developed. Algebraic characterizations of some classes of operators that emerge in this context are found. Various examples and counterexamples illustrating the concepts of the paper are constructed by using weighted shifts on directed trees. Generalizations of these results that cover the case of q-quasinormal operators are established.
P. A. Cojuhari, A. M. Gomilko (2008)
Studia Mathematica
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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.
Konrad Schmüdgen (1986)
Manuscripta mathematica
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Rakhmatullina, L.F. (1997)
Memoirs on Differential Equations and Mathematical Physics
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Daniel Beltiţă (2001)
Studia Mathematica
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We introduce the concept of analytic spectral radius for a family of operators indexed by some finite measure space. This spectral radius is compared with the algebraic and geometric spectral radii when the operators belong to some finite-dimensional solvable Lie algebra. We describe several situations when the three spectral radii coincide. These results extend well known facts concerning commuting n-tuples of operators.
Robert Grone, Peter D. Johnson, Jr. (1982)
Colloquium Mathematicae
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Peter D. Johnson, Jr. (1978)
Colloquium Mathematicae
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