On the behavior of harmonic functions near a boundary point

Ramey, Wade; Ullrich, David

doi:10.1090/S0002-9947-1988-0920155-9

On the behavior of harmonic functions near a boundary point
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by Wade Ramey and David Ullrich

Trans. Amer. Math. Soc. 305 (1988), 207-220

DOI: https://doi.org/10.1090/S0002-9947-1988-0920155-9

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Abstract:

Several results on the behavior of harmonic functions at an individual boundary point are obtained. The results apply to positive harmonic functions as well as to Poisson integrals of functions in BMO.

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