Abstract
The trace to the boundary of a domain Ω of functions in Besov spaces and Sobolev spaces defined in Ω is characterized, in the case when the boundary has singularities of a certain type.
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Jonsson, A. Besov spaces on surfaces with singularities. Manuscripta Math 71, 121–152 (1991). https://doi.org/10.1007/BF02568398
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DOI: https://doi.org/10.1007/BF02568398