Atriphtaloid

From Wikipedia, the free encyclopedia

An atriphtaloid with a = 3 and b = 2
Enlarge
An atriphtaloid with a = 3 and b = 2

An atriphtaloid, also called an atriphtothlassic curve, is type of sextic curve. It is given by the equation

x^4(x^2+y^2)-(ax^2-b)^2=0 \,

where a, and b are positive numbers.