| Algebraic Equation: x2y2+y4-a2x2 = 0 Degree: 4 Singularities: [0:0:1], [1:0:0] Multiplicity: 2, 2 Branching Number of each Singularity: 2, 2 Genus: 0 Parameterized Equation: x = ai(1+t2)2/(2t(1-t2)), y = -a(1+t2)/(1-t2) Delta Invariant: 3 Milnor Number: 3 Tjurina Number: 4 |
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