(Edited to simplify drawing) I have a drawing of two tangent circles: ...
I have the following mapping on the complex plane: $$ z \mapsto \tau \mu z-1, $$ where $\mu$ is complex, $\tau$ is real number. I want to draw the image of left unit semidisk and play with $\tau$. ...
I've successfully used FindGeometricTransformation to project the simplex triangle onto the x-y plane: ...