Jana Björn (Linköping University)
Boundary regularity for p-harmonic functions on metric spaces
Abstract.
In the talk, a short introduction into the theory of $p$-harmonic functions and associated obstacle problems on metric measure spaces will be given, followed by a presentation of various results concerning the characterization of regular boundary points. In particular, the Wiener criterion and Lebesgues's characterization of regular boundary points using bariers will be discussed. Some examples will also be provided.

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