Electronic Resource
Springer
Integral equations and operator theory
1 (1978), S. 285-309
ISSN:
1420-8989
Source:
Springer Online Journal Archives 1860-2000
Topics:
Mathematics
Notes:
Abstract A sufficient condition is found for the product of two Toeplitz operators to be a compact perturbation of a Toeplitz operator. The condition, which comprehends all previously known sufficient conditions, is shown to be necessary under additional hypotheses. The question whether the condition is necessary in general is left open.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01682841
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