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.
Original language | English (US) |
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Pages (from-to) | 285-309 |
Number of pages | 25 |
Journal | Integral Equations and Operator Theory |
Volume | 1 |
Issue number | 3 |
DOIs | |
State | Published - Sep 1978 |
Externally published | Yes |
All Science Journal Classification (ASJC) codes
- Analysis
- Algebra and Number Theory