My Math Forum conformal map, sector

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 March 7th, 2010, 12:07 PM #1 Newbie   Joined: Mar 2009 Posts: 28 Thanks: 0 conformal map, sector Find a conformal map of the sector $\{ |\text{arg} z| < \frac{\pi}{3} \}$ onto the open unit disk mapping 0 to -1 and $\infty$ to +1. Sketch the images of radial lines and of arcs of circles centered at 0. Is the map unique? The back of the book says that $w=\frac{z^{\frac{3}{2}}-s}{z^{\frac{3}{2}}+s}$, for any $s>0$ works. Though the map is not unique, the sketch is. I do not see how they got this map. Also, why isn't this map unique? I do not see why. Thank you.

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