Harmonic approximation in \({\mathbb R}^3\) on compact sets whose complements are John's sets

zbMATH Open1054.31503MaRDI QIDQ2722171

I. A. Lenkhorova

Publication date: 11 July 2001

Published in: Visnyk Kharkivs'kogo Universytetu. Seriya Matematyka, Prykladna Matematyka i Mekhanika (Search for Journal in Brave)

zbMATH Keywords

harmonic polynomialsharmonic functionsrate of approximationJohn's set

Mathematics Subject Classification ID

Harmonic, subharmonic, superharmonic functions in higher dimensions (31B05) Approximation in the complex plane (30E10) Approximation by polynomials (41A10)

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