Complex Numbers: Geometry

  • Daniel Alpay


We note that the above set is in fact star-shaped with respect to the origin. In this book, we concentrate almost uniquely on star-shaped sets, and therefore have given a somewhat informal proof of the above exercise.


Complex Plane Unit Circle Riemann Sphere Open Disk Open Unit Disk 
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Copyright information

© Springer Basel AG 2011

Authors and Affiliations

  1. 1.Department of MathematicsBen Gurion University of the NegevBeer ShevaIsrael

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