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Titel: Error estimates for approximate approximations on compact intervals
Autor(en): Müller, FrankVarnhorn, Werner
Klassifikation (DDC): 510 - Mathematik (Mathematics)
Erscheinungsdatum: 2005
Serie/Report Nr.: Mathematische Schriften Kassel05, 20
Zusammenfassung: The aim of this paper is the investigation of the error which results from the method of approximate approximations applied to functions defined on compact in- tervals, only. This method, which is based on an approximate partition of unity, was introduced by V. Mazya in 1991 and has mainly been used for functions defied on the whole space up to now. For the treatment of differential equations and boundary integral equations, however, an efficient approximation procedure on compact intervals is needed. In the present paper we apply the method of approximate approximations to functions which are defined on compact intervals. In contrast to the whole space case here a truncation error has to be controlled in addition. For the resulting total error pointwise estimates and L1-estimates are given, where all the constants are determined explicitly.
URI: urn:nbn:de:hebis:34-200603298416
Sammlung(en):Mathematische Schriften Kassel

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