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Subjects
47-XX Operator theory
47Bxx Special classes of linear operators
47B20 Subnormal operators, hyponormal operators, etc.

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$D$ -symmetric operators: comments and some open problems.

Mecheri, Salah (2008)

Banach Journal of Mathematical Analysis [electronic only]

Decompositions and asymptotic limit for bicontractions

Marek Kosiek, Laurian Suciu (2012)

Annales Polonici Mathematici

The asymptotic limit of a bicontraction T (that is, a pair of commuting contractions) on a Hilbert space is used to describe a Nagy-Foiaş-Langer type decomposition of T. This decomposition is refined in the case when the asymptotic limit of T is an orthogonal projection. The case of a bicontraction T consisting of hyponormal (even quasinormal) contractions is also considered, where we have $S_{T *} = S ²_{T *}$ .

Dual algebras generated by von Neumann n-tuples over strictly pseudoconvex sets [Book]

Michael Didas (2004)

Currently displaying 1 – 3 of 3