Version 1.1
August 2006
Alexander Konovalov
e-mail: konovalov@member.ams.org
WWW: http://homepages.vub.ac.be/~okonoval/
Address:
Department of Mathematics
Zaporozhye National University
Zaporozhye, 69063 Ukraine
Current address:
Department of Mathematics
Vrije Universiteit Brussel
Pleinlaan 2, Brussels
B-1050 Belgium
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, create multiplicative groups, generated by such objects, and compute groups of elements, invertible with respect to this operation, for finite radical algebras and finite associative rings without one.
(C) 2006 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 1.1; 2006 (http://homepages.vub.ac.be/~okonoval/circle.htm).
We acknowledge very much Alexander Hulpke for helpful comments and advise.
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