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Dichotomy in Muckenhoupt Weighted Function Space: A Fractal Example

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Part of the book series: Operator Theory: Advances and Applications ((OT,volume 219))

Abstract

We study dichotomy questions for weighted function spaces of Besov and Triebel–Lizorkin type where the weight is related to the distance of some point to a d-set Г, 0 < d < n, and the trace is taken on G. We can prove that – depending on the function space, the weight and the set Г – there occurs an alternative: either the trace on Г exists, or smooth functions compactly supported outside Г are dense in the space. Such a phenomenon is called dichotomy. The paper is based on trace results in [33] and the atomic decomposition in [18] and perfectly fits together with corresponding unweighted results in [51].

Mathematics Subject Classification (2010). 46E35.

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Correspondence to Dorothee D. Haroske .

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Haroske, D.D. (2012). Dichotomy in Muckenhoupt Weighted Function Space: A Fractal Example. In: Brown, B., Lang, J., Wood, I. (eds) Spectral Theory, Function Spaces and Inequalities. Operator Theory: Advances and Applications(), vol 219. Springer, Basel. https://doi.org/10.1007/978-3-0348-0263-5_5

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