Authors: Jiří Spurný
Publish Date: 2008/10/01
Volume: 29, Issue: 3, Pages: 271-302
Abstract
Let U be a bounded open set of the Euclidean space ℝ d and let HU denote the space of all realvalued continuous functions on overline U that are harmonic on U We present a sufficient condition on the set ∂ reg U of all regular points of U that ensures that HU is complemented in mathcal CbigoverlineUbig We also present examples showing that this condition is not necessary The proof of the positive result is based upon a general result on complementability of a simplicial function space in a mathcal CK space
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