A Möbius transformation maps the extended complex plane ℂ∪{∞} to itself by sending each point z to
f(z) = (az+b)/(cz+d)
with complex coefficients a,b,c,d satisfying ad–bc≠0.
They are beautiful! 🤩
🎞️ D.Arnold, J.Rogness, Möbius Transformations Revealed
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