N. Garofalo, S. Pauls: The Bernstein problem in the Heisenberg group (Submitted Paper) 2002 S. Pauls: H-minimal graphs of low regularity in the Heisenberg group Comm. Math. Helv. (Accepted Paper) 2004 R. Hladky, S. Pauls: Minimal surfaces in the roto-translation group with applications to a neuro-biological image completion model (Submitted Paper) 2005 L. Capogna, S. Pauls, J. Tyson: Convexity and a horizontal second fundamental form for hypersurfaces in Carnot groups (Submitted Paper) 2006