Version 1.2
April 2007
Alexander Konovalov
e-mail: konovalov@member.ams.org
WWW: http://www.cs.st-andrews.ac.uk/~alexk/
Address:
School of Computer Science
University of St Andrews
Jack Cole Building, North Haugh,
St Andrews, Fife, KY16 9SX, Scotland
Panagiotis Soules
e-mail: psoules@math.uoa.gr
Address:
Department of Mathematics
National and Capodistrian University of Athens
Panepistimioupolis, GR-15784, Athens, Greece
The GAP4 package Circle extends the GAP functionality for computations in adjoint groups of associative rings. It provides functionality to construct circle objects that will respect the circle multiplication r * s = r + s + rs, and to compute adjoint semigroups and adjoint groups of finite rings.
(C) 2006-2007 by Alexander Konovalov and Panagiotis Soules
Circle is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. For details, see the FSF's own site http://www.gnu.org/licenses/gpl.html.
If you obtained Circle, we would be grateful for a short notification sent to one of the authors.
If you publish a result which was partially obtained with the usage of Circle, please cite it in the following form:
A. Konovalov, P. Soules. Circle --- Adjoint groups of associative rings, Version 1.2; 2007 (http://www.cs.st-andrews.ac.uk/~alexk/circle.htm).
We acknowledge very much Alexander Hulpke for helpful comments and advise.
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