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Algebras of Approximation Sequences: Finite Sections of Band-Dominated Operators |
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| Authors: | Vladimir S. Rabinovich Steffen Roch Bernd Silbermann |
| Affiliation: | (1) Instituto Politecnico Nacional ESIME-Zacatenco, SEPI, Ed. I, 2-do piso, Av.IPN, Mexico D.F., 07738, Mexico;(2) Fachbereich Mathematik, Technische Universität Darmstadt, Schlossgartenstrasse 7, 64289 Darmstadt, Germany;(3) Fakultät für Mathematik, Technische Universität Chemnitz, 09107 Chemnitz, Germany |
| Abstract: | We develop the stability theory for the finite section method for general band-dominated operators on lp spaces over Zk. The main result says that this method is stable if and only if each member of a whole family of operators – the so-called limit operators of the method – is invertible and if the norms of these inverses are uniformly bounded. |
| Keywords: | band-dominated operators finite sections stability |
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