G. Arena:
"Intrinsic Graphs, Convexity and Calculus on Carnot Groups"
(Ph.D. Thesis) 2008

G. Arena, R. Serapioni:
Intrinsic regular submanifolds in Heisenberg groups are differentiable graphs
Calc.Var. and PDE (Accepted Paper) 2008

G. Arena, A. O. Caruso, A. Causa:
"Taylor Formula on step two Carnot groups"
Rev. Mat. Iberoamericana (Accepted Paper) 2008

G. Arena, A. O. Caruso:
"Higher order calculus on step two Carnot groups and applications"
(Submitted Paper) 2009

G. Arena, A. O. Caruso, R. Monti:
Regularity properties of H-convex sets
(Submitted Paper) 2010

G. Arena, A. O. Caruso, A. Causa:
"Taylor Formula on step two Carnot groups"
Rev. Mat. Iberoamericana (Accepted Paper) 2010

G. Arena, A. O. Caruso, R. Monti:
"Regularity properties of $H$--convex sets"
J. Geom. Analysis (Accepted Paper) 2010