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Published online by Cambridge University Press: 01 June 1998
This paper shows that a subharmonic function in the half-space which does not grow too rapidly near the boundary and which does not have asymptotic value +∞ at too many points must have finite minimal fine limits at a boundary set of positive measure. For harmonic functions, the conclusion may be expressed in terms of non-tangential limits. A related Phragmén–Lindelöf theorem is also established.