On the singular continuous spectrum of self-adjoint extensions.
Johannes Brasche, Hagen Neidhardt (1996)
Mathematische Zeitschrift
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Displaying similar documents to “On the point spectrum of self-adjoint extensions.”
On the singular continuous spectrum of self-adjoint extensions.
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On the generalized Kato spectrum
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2010 Mathematics Subject Classification: 47A10. We show that the symmetric difference between the generalized Kato spectrum and the essential spectrum defined in [7] by sec(T) = {l О C ; R(lI-T) is not closed } is at most countable and we also give some relationship between this spectrum and the SVEP theory.
Dense point spectrum and absolutely continuous spectrum in spherically symmetric Dirac operators.
Karl Michael Schmidt (1995)
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Diagonals of Self-adjoint Operators with Finite Spectrum
Marcin Bownik, John Jasper (2015)
Bulletin of the Polish Academy of Sciences. Mathematics
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Given a finite set X⊆ ℝ we characterize the diagonals of self-adjoint operators with spectrum X. Our result extends the Schur-Horn theorem from a finite-dimensional setting to an infinite-dimensional Hilbert space analogous to Kadison's theorem for orthogonal projections (2002) and the second author's result for operators with three-point spectrum (2013).
The boundary of the spectrum of a linear Operatoro
Taylor, A. E.
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The joint approximate spectrum of a finite system of elements of a C*-algebra
GH. Mocanu (1974)
Studia Mathematica
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