Preprint
Inserted: 13 jul 2018
Last Updated: 13 jul 2018
Year: 2018
Abstract:
We show how a strong capacitary inequality can be used to give a decomposition of any function in the Sobolev space $W^{k,1}(\mathbb{R}^d)$ as the difference of two non-negative functions in the same space with control of their norms.
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