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math.FA2017★ 2 cited
Almost invariant half-spaces for operators on Hilbert space. II: operator matrices
Il Bong Jung, Eungil Ko, Carl Pearcy
This paper is a sequel to [6]. In that paper we transferred the discussions in [1] and [13] concerning almost invariant half-spaces for operators on complex Banach spaces to the co…
math.FA2016
Contractions with Polynomial Characteristic Functions II. Analytic Approach
Ciprian Foias, Carl Pearcy, Jaydeb Sarkar
The simplest and most natural examples of completely nonunitary contractions on separable complex Hilbert spaces which have polynomial characteristic functions are the nilpotent op…
math.FA2009★ 5 cited
Confluent operator algebras and the closability property
H. Bercovici, R. G. Douglas, C. Foias +1
Certain operator algebras A on a Hilbert space have the property that every densely defined linear transformation commuting with A is closable. Such algebras are said to have the c…