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- Chalmers University of TechnologySE20 papers
- B. Verkin Institute for Low Temperature Physics and Engineering of the National Academy of Sciences of UkraineUA2 papers
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4 papers · 1 filter
Schur and operator multipliers
I. G. Todorov, L. Turowska
Schur multipliers were introduced by Schur in the early 20th century and have since then found a considerable number of applications in Analysis and enjoyed an intensive developmen…
Unitarizable representations and fixed points of groups of biholomorphic transformations of operator balls
M. I. Ostrovskii, V. S. Shulman, L. Turowska
We show that the open unit ball of the space of operators from a finite dimensional Hilbert space into a separable Hilbert space (we call it "operator ball") has a restricted form…
Finite Rank Toeplitz Operators: Some Extensions of D.Luecking's Theorem
Alexey Alexandrov, Grigori Rozenblum
The recent theorem by D.Luecking about finite rank Bergman-Toeplitz operators is extended to weights being distributions with compact support and to the spaces of harmonic function…
Finite rank Bergman-Toeplitz and Bargmann-Toeplitz operators in many dimensions
Grigori Rozenblum, Nikolay Shirokov
The recent theorem by D. Luecking that finite rank Toeplitz-Bergman operators must be generated by a measure consisting of finitely many point masses is carried over to the many-di…