Complete Asymptotic Expansions for Altomare Operators |
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| Authors: | Ulrich Abel Mircea Ivan |
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| Affiliation: | 1. Fachbereich MND, Technische Hochschule Mittelhessen, Wilhelm-Leuschner-Stra?e 13, 61169, Friedberg, Germany
2. Department of Mathematics, Technical University of Cluj-Napoca, Str. Memorandumului 28, 400114, Cluj-Napoca, Romania
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| Abstract: | In the present paper, we study an approximation process by a sequence of operators with a prescribed asymptotic behavior. The method of construction of these operators is due to Altomare and Amiar. The operators have several applications in semigroup theory. Our investigation provides an insight in their asymptotic behaviour. Finally, we apply our results to concrete examples of approximation operators recently defined and used by Altomare and Milella for the study of semigroups. |
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