Polar quotients and singularities at infinity of polynomials in two complex variables
Volume 78 / 2002
Annales Polonici Mathematici 78 (2002), 49-58 MSC: Primary 32S55. DOI: 10.4064/ap78-1-6
Using the notion of the maximal polar quotient we characterize the critical values at infinity of polynomials in two complex variables. As an application we give a necessary and sufficient condition for a family of affine plane curves to be equisingular at infinity.