This work has been released into the public domain by its author, I, Jan Homann. This applies worldwide. In some countries this may not be legally possible; if so: I, Jan Homann grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
{{Information |Description=zeros (black) and poles (red) of the function <math> \frac{z^4+1}{z^4-1} </math> in the complex plane |Source=made with mathematica, own work |Date=31.August.2007 |Author=Jan Homann |Permission=public domain |other_versions= }}