Möbius transformation (suomeksi)

Määritelmät:

(label, en, geometry, complex analysis) A transformation of the complex plane that is a rational function of the form ''f''(''z'') = (''az'' + ''b'') / (''cz'' + ''d''), where ''a, b, c, d'' are complex numbers such that ''ad'' - ''bc'' ≠ 0.