2 papers
math.AG2010
Birationally trivial real smooth cubic surfaces
Jon Gonzalez-Sanchez, Irene Polo-Blanco
Smooth real cubic surfaces are birationally trivial (over ) if and only if their real locus is connected or, equivalently, if and only if they have two skew real lines or two s…
math.AG2009
Ruled quartic surfaces, models and classification
Irene Polo-Blanco, Marius van der Put, Jaap Top
New historical aspects of the classification, by Cayley and Cremona, of ruled quartic surfaces and the relation to string models and plaster models are presented. In a `modern' tre…