The Gauss map of Minimal graphs in the Heisenberg group

Abstract

In this paper we study some geometric properties of surfaces in the Heisenberg group, ${\mathcal{H}}_3.$ We obtain, using the Gauss map for Lie groups, a partial classification of minimal graphs in ${\mathcal{H}}_3.$ We also proof the non existence of umbilical surfaces in ${\mathcal{H}}_3.$

arXiv comment22 pages

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