SINGULAR version University of Kaiserslautern Department of Mathematics and Centre for Computer Algebra Authors: G.-M. Greuel, G. Pfister, H. Schoenemann Copyright (C) 1986-99; All Rights reserved NOTICE Permission to use, copy, modify, and distribute this software or parts thereof and its documentation or parts thereof for non-commercial purposes and without fee is hereby granted provided the following four conditions are satisfied: 1. The above copyright notice appears in all copies of the software and both the copyright notice and this permission notice appear in supporting documentation. 2. The name of the program ("Singular") is retained. 3. Portions of the software which are modified are marked. 4. You have registered yourself as a Singular user by sending email to with the subject line (or, mail body) `register'. Neither the University of Kaiserslautern nor the authors make any representations about the suitability of this software for any purpose. This software is provided "as is" without express or implied warranty. If your intended use of SINGULAR is not covered by the license above, please contact us. Notice that in the license above we have not granted permission to make copies of Singular to be sold, distributed on media which are sold, or distributed along with software which is sold. If you use Singular or parts thereof in a project and/or publish results that were partly obtained using SINGULAR, we request that you cite SINGULAR (see `http://www.mathematik.uni-kl.de/~zca/Singular/how-to-cite.html' on information on how to cite Singular) and inform us about it. Please send any comments or bug reports to . The following parts of SINGULAR have their own copyright: the Gnu Multiple Precision Library (GMP), the Multi Protocol library (MP), the Readline library, the Factory library, and the libfac library. Their copyrights and licences can be found in the accompanying files which are distributed along with these libraries. Availability ============ The latest information about SINGULAR is always available from `http://www.mathematik.uni-kl.de/~zca/Singular'. The program SINGULAR and the above mentioned parts are available via anonymous ftp through the following addresses: GMP (C) Free Software Foundation: `libgmp-2.0.2.tar.gz' `ftp://ftp.gnu.ai.mit.edu' or its mirrors readline (C) Free Software Foundation: `libreadline-2.0.tar.gz' `ftp://ftp.gnu.ai.mit.edu' or its mirrors MP (C) Gray/Kajler/Wang, Kent State University: `MP-1.1.2.tar.gz', `http://mcs.kent.edu/pub/MP' Factory (C) Greuel/Stobbe, University of Kaiserslautern: `factory-1.3b.tar.gz' Contact for details on Factory. libfac (C) Messollen, University of Saarbruecken: `libfac-0.3.0.tar.gz' Contact for details on libfac. SINGULAR binaries `ftp://www.mathematik.uni-kl.de/pub/Math/Singular/' or via a WWW browser from `http://www.mathematik.uni-kl.de/ftp/pub/Math/Singular/' Acknowledgements ================ The development of SINGULAR is directed and coordinated by Gert-Martin Greuel, Gerhard Pfister, and Hans Schoenemann. Contributions to the kernel of SINGULAR have been made by Olaf Bachmann, Hubert Grassmann, Kai Krueger, Wolfgang Neumann, Thomas Nuessler, Wilfred Pohl, Jens Schmidt, Thomas Siebert, Ruediger Stobbe, and Tim Wichmann. SINGULAR libraries have furthermore been contributed by Wolfram Decker, Christian Gorzel, Agnes Eileen Heydtmann, Ulrich Klein, Martin Lamm, and Bernd Martin. We should like to acknowledge the financial support given by the Volkswagen-Stiftung, the Deutsche Forschungsgemeinschaft and the Stiftung fuer Innovation des Landes Rheinland-Pfalz to the SINGULAR project.