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http://dx.doi.org/10.7858/eamj.2013.008

CHARACTERIZATION OF BMO OR LIPSCHITZ FUNCTIONS BY GARSIA-TYPE NORMS ON A BOUNDED DOMAIN  

Byun, Jisoo (Department of Mathematics Education, Kyungnam University)
Im, Bong-Hak (Department of Mathematics, Pusan National University)
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Abstract
In this paper, we prove that the BMO norm and the Garsia norm are equivalent on a bounded domain in $\mathbb{R}^N$. Also, we investigate the equivalent relation between the Lipschitz norm and the Garsia-type norm for harmonic functions.
Keywords
BMO; Lipschitz function; harmonic function; Garsia-type norm;
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