A fractional linear map f(z) = (az + b)/(cz + d) on the Riemann sphere with ad − bc ≠ 0. Möbius transformations form a group isomorphic to PSL(2, ℂ); they are precisely the conformal automorphisms of the Riemann sphere and map generalised…
A fractional linear map f(z) = (az + b)/(cz + d) on the Riemann sphere with ad − bc ≠ 0. Möbius transformations form a group isomorphic to PSL(2, ℂ); they are precisely the conformal automorphisms of the Riemann sphere and map generalised…