1 citations · 1 across the 2 of their papers we have counts for
2 papers
math.DG2018
Umbilic Points on the Finite and Infinite Parts of Certain Algebraic Surfaces
Brendan Guilfoyle, Adriana Ortiz-Rodríguez
The global qualitative behaviour of fields of principal directions for the graph of a real valued polynomial function on the plane are studied. We provide a Poincaré-Hopf type…
math.AG2005★ 1 cited
Real Hessian Curves
Adriana Ortiz-Rodríguez, Frank Sottile
We give some real polynomials in two variables of degrees 4, 5, and 6 whose hessian curves have more connected components than had been known previously. In particular, we give a q…