Abstract
We consider Toeplitz operators with symbols that are almost periodic matrix functions of several variables. It is shown that under certain conditions on the group generated by the Fourier support of the symbol, a Toeplitz operator is Fredholm if and only if it is invertible.
Original language | English (US) |
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Pages (from-to) | 1365-1370 |
Number of pages | 6 |
Journal | Proceedings of the American Mathematical Society |
Volume | 130 |
Issue number | 5 |
DOIs | |
State | Published - 2002 |
Keywords
- Almost periodic functions
- Fredholmness
- Toeplitz operators
ASJC Scopus subject areas
- General Mathematics
- Applied Mathematics