Some versions of Anderson's and Maher's inequalities. I.
Mecheri, Salah (2003)
International Journal of Mathematics and Mathematical Sciences
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Displaying similar documents to “Putnam-Fuglede theorem and the range-kernel orthogonality of derivations.”
Some versions of Anderson's and Maher's inequalities. I.
Some versions of Anderson's and Maher's inequalities. II.
Mecheri, Salah (2003)
International Journal of Mathematics and Mathematical Sciences
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Some remarks on the invariant subspace problem for hyponormal operators.
Lauric, Vasile (2001)
International Journal of Mathematics and Mathematical Sciences
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Another version of Anderson's inequality in the ideal of all compact operators.
Mecheri, Salah (2005)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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Kreǐn's trace formula and the spectral shift function.
Boyadzhiev, Khristo N. (2001)
International Journal of Mathematics and Mathematical Sciences
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International Journal of Mathematics and Mathematical Sciences
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Izuchi, Keiji, Yang, Rongwei (2008)
The New York Journal of Mathematics [electronic only]
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Moving domain walls in magnetic nanowires
Katharina Kühn (2009)
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Schochet, C.L. (1999)
The New York Journal of Mathematics [electronic only]
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Generalized derivation modulo the ideal of all compact operators.
Mecheri, Salah, Bachir, Ahmed (2002)
International Journal of Mathematics and Mathematical Sciences
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Modeling seasonal time series.
Colojoară, Alexandra (2006)
Surveys in Mathematics and its Applications
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On the Range and the Kernel of Derivations
Bouali, Said, Bouhafsi, Youssef (2006)
Serdica Mathematical Journal
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2000 Mathematics Subject Classification: Primary 47B47, 47B10; Secondary 47A30. Let H be a separable infinite dimensional complex Hilbert space and let L(H) denote the algebra of all bounded linear operators on H into itself. Given A ∈ L(H), the derivation δA : L(H)→ L(H) is defined by δA(X) = AX-XA. In this paper we prove that if A is an n-multicyclic hyponormal operator and T is hyponormal such that AT = TA, then || δA(X)+T|| ≥ ||T|| for all X ∈ L(H). We establish the...