Abstract.
We propose an algebraic approach to the stability problem for the finite sections of general band-dominated operators acting on \(l^{p} = l^{p}({\mathbb{Z}})\) for 1 < p < ∞. This approach allows us to get new results which previously were known mainly for p = 2. One of the main results shows that a band-dominated operator is Fredholm if and only if the approximation numbers of its finite sections have a special behavior.
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In memory of Georgii S. Litvinchuk
Submitted: June 14, 2007. Accepted: November 5, 2007.
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Seidel, M., Silbermann, B. Finite Sections of Band-Dominated Operators: l p-Theory. Complex anal.oper. theory 2, 683–699 (2008). https://doi.org/10.1007/s11785-008-0073-y
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DOI: https://doi.org/10.1007/s11785-008-0073-y