A note on a theorem of Vidav
Vladimir Rakočević (2000)
Publications de l'Institut Mathématique
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Displaying similar documents to “The cosine equation method for the eigenproblem of bounded normal operators in Hilbert space”
A note on a theorem of Vidav
On a certain property of a transformation in Hilbert space in connection with the theory of differential equations
S. Brzychczy (1967)
Colloquium Mathematicae
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On Idempotent Operators In A Hilbert Space
Ivan Vidav (1964)
Publications de l'Institut Mathématique
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A note on normal operators
B. S. Yadav, P. B. Ramanujan (1969)
Matematički Vesnik
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The Distortion of Hilbert Space.
E. Odell, Th. Schlumprecht (1993)
Geometric and functional analysis
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On the differentiability of Urysohn and Nemyckii operators
Jiří Durdil (1967)
Commentationes Mathematicae Universitatis Carolinae
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On different products of closed operators.
Messirdi, Bekkai, Mortad, Mohammed Hichem (2008)
Banach Journal of Mathematical Analysis [electronic only]
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On the normality of operators.
Mecheri, Salah (2005)
Revista Colombiana de Matemáticas
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Trace inequalities of Shisha-Mond type for operators in Hilbert spaces
Sever Silvestru Dragomir (2017)
Concrete Operators
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Some trace inequalities of Shisha-Mond type for operators in Hilbert spaces are provided. Applications in connection to Grüss inequality and for convex functions of selfadjoint operators are also given.
Representation generated by a finite number of Hilbert space operators
Marek Kosiek (1984)
Annales Polonici Mathematici
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Exponentials of normal operators and commutativity of operators: a new approach
Mohammed Hichem Mortad (2011)
Colloquium Mathematicae
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We present a new approach to the question of when the commutativity of operator exponentials implies that of the operators. This is proved in the setting of bounded normal operators on a complex Hilbert space. The proofs are based on some results on similarities by Berberian and Embry as well as the celebrated Fuglede theorem.