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Density of algebras generated by Toeplitz operators on Bergman spaces

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Arkiv för Matematik

Abstract

In this paper it is shown that Toeplitz operators on Bergman space form a dense subset of the space of all bounded linear operators, in the strong operator topology, and that their norm closure contains all compact operators. Further, theC *-algebra generated by them does not contain all bounded operators, since all Toeplitz operators belong to the essential commutant of certain shift. The result holds in Bergman spacesA 2(Ω) for a wide class of plane domains Ω⊂C, and in Fock spacesA 2(C N),N≧1.

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Engliš, M. Density of algebras generated by Toeplitz operators on Bergman spaces. Ark. Mat. 30, 227–243 (1992). https://doi.org/10.1007/BF02384872

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