On J. C. C. Nitsche's type inequality for hyperbolic space ${\mathbf{H}}^3$

David Kalaj

Let ${\mathbf{H}}^3$ be the hyperbolic space identified with the unit ball ${\mathbf{B}}^3=\{x\in {\mathbf{R}}^3:|x|<1\}$ with the Poincaré metric $d_h$ and assume that ${\mathcal{A}…