Assume that is tangent to C in a point a. Then a is a unique fixed point of Iq ◦ Ip, as well as of Is ◦ Ir . It follows that both maps are of parabolic type. The composition
Assume that is tangent to C in a point a. Then a is a unique fixed point of Iq ◦ Ip,as well as of Is ◦ Ir . It follows that both maps are of parabolic type. The composition