On differential operators with integral conditions.
Galakhov, E. (1997)
Memoirs on Differential Equations and Mathematical Physics
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Displaying similar documents to “On quasinormal operators”
On differential operators with integral conditions.
Operators on continuous function spaces and L1-spaces
Ryotaro Sato (1976)
Colloquium Mathematicae
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Operators on some function spaces
Ryotaro Sato (1976)
Colloquium Mathematicae
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Attractive operators and fixed points
Beatriz Margolis (1972)
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M - Paranormal Operators
S.C. Arora, Ramesh Kumar (1981)
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Generalizations of Kaplansky's Theorem Involving Unbounded Linear Operators
Abdelkader Benali, Mohammed Hichem Mortad (2014)
Bulletin of the Polish Academy of Sciences. Mathematics
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We are mainly concerned with the result of Kaplansky on the composition of two normal operators in the case in which at least one of the operators is unbounded.
The series of Mikusinski operators of the special form.
B. Stankovic, D. Nikolic-Despotovic (1972)
Publications de l'Institut Mathématique [Elektronische Ressource]
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Admissible initial operators for superpositions of right invertible operators
D. Przeworska-Rolewicz (1977)
Annales Polonici Mathematici
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Powers of operators
Jaroslav Zemánek (2007)
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On λ-commuting operators
John B. Conway, Gabriel Prǎjiturǎ (2005)
Studia Mathematica
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For a scalar λ, two operators T and S are said to λ-commute if TS = λST. In this note we explore the pervasiveness of the operators that λ-commute with a compact operator by characterizing the closure and the interior of the set of operators with this property.
Interchangeability of unbounded linear operators: General theory of transmutativity
Miroslav Sova (1982)
Časopis pro pěstování matematiky
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Generalizations of Mercer's theorem for a class of nonselfadjoint operators
M. R. Dostanić (1989)
Matematički Vesnik
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The Closure In The Space Of Mikusinski's Operators
M. Budimčević, B. Stanković (1971)
Publications de l'Institut Mathématique
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Backward extensions of hyperexpansive operators
Zenon J. Jabłoński, Il Bong Jung, Jan Stochel (2006)
Studia Mathematica
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The concept of k-step full backward extension for subnormal operators is adapted to the context of completely hyperexpansive operators. The question of existence of k-step full backward extension is solved within this class of operators with the help of an operator version of the Levy-Khinchin formula. Some new phenomena in comparison with subnormal operators are found and related classes of operators are discussed as well.