Abstract
Let A δ be a mollifier with the kernel ω defined in Section 1.1. We start by studying the properties of A δ in the case of Sobolev spaces.
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© 1998 Springer Fachmedien Wiesbaden
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Burenkov, V.I. (1998). Approximation by infinitely differentiable functions. In: Sobolev Spaces on Domains. TEUBNER-TEXTE zur Mathematik, vol 137. Vieweg+Teubner Verlag, Wiesbaden. https://doi.org/10.1007/978-3-663-11374-4_3
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DOI: https://doi.org/10.1007/978-3-663-11374-4_3
Publisher Name: Vieweg+Teubner Verlag, Wiesbaden
Print ISBN: 978-3-8154-2068-3
Online ISBN: 978-3-663-11374-4
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