Keyword: Intrinsic graphs

Papers related to keyword:

• G. Arena - R. Serapioni (Accepted Paper: Calc.Var. and PDE)
  Intrinsic regular submanifolds in Heisenberg groups are differentiable graphs (2008)
• R. Monti - F. Serra Cassano - D. Vittone (Boll. Unione Mat. Ital. (9))
  A negative answer to the Bernstein problem for intrinsic graphs in the Heisenberg group (2008)