annali di matematica pura ed applicata (1923 -)2018Vol. 198pp. 367-380
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guo2018annaliregularity
Abstract
We prove local Hölder continuity of quasi-n-harmonic mappings from Euclidean domains into metric spaces with non-positive curvature in the sense of Alexandrov. We also obtain global Hölder continuity of such mappings from bounded Lipschitz domains.