equation where the are homogeneous polynomials of degree and . Then the equation defines a cone which is centered at the origin. It is called an asymptotic cone, because the distance to the cone of a point of the surface tends to zero when the point on the surface tends to infinity. See also Big O notation References General references Specific references External links Hyperboloid and Asymptotic Cone, string surface model, 1872 from the Science Museum Mathematical analysis Analytic geometry