On unbounded hyponormal operators III
J. Janas (1994)
Studia Mathematica
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The paper deals mostly with spectral properties of unbounded hyponormal operators. Some nontrivial examples of such operators are given.
Displaying similar documents to “Generalized signature operators and spectral triples for the Kronecker foliation”
On unbounded hyponormal operators III
On the characterization of scalar type spectral operators
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.
Noncommutative spectral geometry of Riemannian foliations.
Yuri A. Kordyukov (1997)
Manuscripta mathematica
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Corrigendum to "On the spectral multiplicity of a direct sum of operators" (Colloq. Math. 104 (2006), 105-112)
M. T. Karaev (2006)
Colloquium Mathematicae
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Spectral properties of doubly commuting hyponormal operators
J. Janas (1984)
Annales Polonici Mathematici
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Spectral properties of high contrast band-gap materials and operators on graphs.
Kuchment, Peter, Kunyansky, Leonid A. (1999)
Experimental Mathematics
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On gluing formulas for the spectral invariants of Dirac type operators.
Loya, Paul, Park, Jinsung (2005)
Electronic Research Announcements of the American Mathematical Society [electronic only]
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Spectral properties of a certain class of Carleman operators
S. M. Bahri (2007)
Archivum Mathematicum
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The object of the present work is to construct all the generalized spectral functions of a certain class of Carleman operators in the Hilbert space and establish the corresponding expansion theorems, when the deficiency indices are (1,1). This is done by constructing the generalized resolvents of and then using the Stieltjes inversion formula.
A minimax principle for eigenvalues in spectral gaps: Dirac operators with Coulomb potentials.
Griesemer, Marcel, Lewis, Roger T., Siedentop, Heinz (1999)
Documenta Mathematica
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Weitzenböck Formula for SL(q)-foliations
Adam Bartoszek, Jerzy Kalina, Antoni Pierzchalski (2010)
Bulletin of the Polish Academy of Sciences. Mathematics
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A Weitzenböck formula for SL(q)-foliations is derived. Its linear part is a relative trace of the relative curvature operator acting on vector valued forms.