L3_01_Classification so far
L3_02_The relation between the roots and coefficients
L3_03_The graphical description
L3_04_Higher dimensional extensions
L3_05_Topological classification, introduction
L3_06_Possible classifications
L3_07_Topological equivalence and general coordinate transforms
L3_08_The simplest example
L3_09_Graphical interpretations
L3_10_Topological equivalence and hyperbolicity
