Some Surfaces with Zero Curvature in ℍ2×ℝ

الملخص EN

We study surfaces defined as graph of the function z=f(x,y) in the product space ℍ2×ℝ.

In particular, we completely classify flat or minimal surfaces given by f(x,y)=u(x)+v(y), where u(x) and v(y) are smooth functions.