Algebraic Equation: x4-a2x2+a2y2 = 0
Degree: 4
Singularities: [0:0:1], [0:1:0]
Multiplicity: 2, 2
Branching Number of each Singularity: 2, 2
Genus: 0
Parameterized Equation: x = -a(t2+1)/(1-t2), y = 2at(t2+1)/(1-t2)2
Delta Invariant: 3
Milnor Number: 1
Tjurina Number: 4
Projective Plane: 1 node, 1 cusp
|