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Using the navigation bar to the left you can reach three pages.

On the Thesis page you can get some parts of my Ph.D. thesis as DVI, Postscript or PDF file.
On the Script page you can get some tiny Macaulay 2 and Singular scripts which I wrote and used.
On the C++ page you can get the C++ programmes I wrote. For a short description see the Overview section or read the German introduction in the same section.

All programmes are published under the GNU GENERAL PUBLIC LICENSE, version 2 or any newer one.

My (printed) thesis and any part of it, however, is not published under the GNU GPL! You may make one copy of these documents for your own personal use. As any scientific book or article you can cite it as

Holger Cröni, Zur Berechnung von Kovarianten von Quantiken, Dissertation, Saarbrücken (Germany), 2002

If you cite it I would appreciate it to recieve a short notice. Thank you!