@comment -*-texinfo-*-
@comment $Id: COPYING.texi,v 1.7 2000-05-23 14:41:20 obachman Exp $
@comment this file contains the copyright notice on Singular
@ifclear VERSION
@include version.texi
@end ifclear

@cindex copyright
@cindex factory
@cindex GMP
@cindex MP
@cindex readline
@cindex libfac

@center @sc{Singular} version @value{VERSION}
@center @uref{http://www.uni-kl.de/,,University of Kaiserslautern}
@center @uref{http://www.mathematik.uni-kl.de/,,Department of Mathematics} and  @uref{http://www.mathematik.uni-kl.de/~zca/,,Centre for Computer Algebra}
@center Authors: @uref{http://www.mathematik.uni-kl.de/~wwwagag/E/Greuel,,G.-M. Greuel}, @uref{http://www.mathematik.uni-kl.de/~wwwagag/E/Pfister,,G. Pfister}, @uref{http://www.mathematik.uni-kl.de/~hannes,,H. Schoenemann}

@center Copyright @copyright{} 1986-2000; All Rights Reserved
@sp 2
@center @strong{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:

@enumerate
@item
The above copyright notice appears in all copies of the software
and both the copyright notice and this permission notice
appear in supporting documentation.

@item
The name of the program ("@sc{Singular}") is retained.

@item
Portions of the software which are modified are marked.

@item
You have registered yourself as a @sc{Singular} user by sending email to 
@email{singular@@mathematik.uni-kl.de}
with the subject line 
@code{register}.
@end enumerate

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 @sc{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 @sc{Singular}, we request that you
cite @sc{Singular} and inform us about it -- see
@uref{http://www.singular.uni-kl.de/how_to_cite.html},
for information on how to cite Singular.

Please send any comments or bug reports to
@email{singular@@mathematik.uni-kl.de}.

The following parts of @sc{Singular} have their own copyright: the Gnu
Multiple Precision Library (GMP), the Multi Protocol library (MP), the
Factory library, the libfac library, and, for the Windows 9X/NT
distributions the Cygwin DLL and the Cygwin tools (Cygwin) and the
XEmacs editor (XEmacs).

Their copyrights and licences can be found in the accompanying files
which are distributed along with these packages.

@heading Availability

The latest information about @sc{Singular} is always available from
@uref{http://www.singular.uni-kl.de}.
@ifset singularmanual
The program @sc{Singular} and the above mentioned parts are available via
anonymous ftp through the following addresses:
@table @asis
@item GMP
@copyright{} Free Software Foundation
@* @uref{ftp://ftp.gnu.ai.mit.edu} or its mirrors
@item MP
@copyright{} Gray/Kajler/Wang, Kent State University
@* @uref{http://SymbolicNet.mcs.kent.edu/areas/protocols/mp.html}
@item Factory
@copyright{} Greuel/Stobbe, University of Kaiserslautern:
@* Contact @email{factory@@mathematik.uni-kl.de} for details on Factory.
@item libfac
@copyright{}  Messollen, University of
Saarbr@"ucken:
@* Contact @email{michael@@math.uni-sb.de} for details on libfac.
@item @sc{Singular} binaries
@uref{ftp://www.mathematik.uni-kl.de/pub/Math/Singular/} or via a
WWW brow@-ser from
@uref{http://www.mathematik.uni-kl.de/ftp/pub/Math/Singular/}
@item Cygwin 
@uref{http://sourceware.cygnus.com/cygwin/}
@item Xemacs
@uref{http://www.xemacs.org}
@end table
@end ifset

@heading Acknowledgements

The development of @sc{Singular} is directed and coordinated by
Gert-Martin Greuel, Gerhard Pfister, and Hans
Sch@"onemann.

@cindex  Greuel, Gert-Martin
@cindex  Pfister, Gerhard
@cindex Sch@"onemann, Hans

Contributions to the kernel of @sc{Singular} have been made by
Olaf Bachmann,
Hubert Grassmann,
Kai Kr@"uger,
Michael Messollen,
Wolfgang Neumann,
Thomas N@"u@ss{}ler,
Wilfred Pohl,
Jens Schmidt,
Thomas Siebert,
R@"udiger Stobbe,
Moritz Wenk
and
Tim Wichmann.
@cindex Bachmann, Olaf
@cindex Grassmann, Hubert
@cindex Kr@"uger, Kai
@cindex Messollen Michael
@cindex Neumann, Wolfgang
@cindex N@"u@ss{}ler, Thomas
@cindex Pohl, Wilfred
@cindex Schmidt, Jens
@cindex Siebert, Thomas
@cindex Stobbe, R@"udiger
@cindex Wenk, Moritz
@cindex Wichmann, Tim


@sc{Singular} libraries have furthermore been contributed by
Stephan Endra@ss{},
Wolfram Decker,
Anne Fr@"ubis-Kr@"uger,
Christian Gorzel,
Agnes Eileen Heydtmann,
Dietmar Hillebrand,
Ulrich Klein,
Martin Lamm,
Bernd Martin,
Mathias Schulze,
and
Moritz Wenk.

@cindex Endra@ss{}, Stephan
@cindex Decker, Wolfram
@cindex  Fr@"ubis-Kr@"uge,r Anne
@cindex Gorzel, Christian
@cindex Heydtmann, Agnes Eileen 
@cindex Hillebrand, Dietmar
@cindex Klein, Ulrich
@cindex Lamm, Martin
@cindex Martin, Bernd
@cindex Schulze, Mathias

We should like to acknowledge the financial support given by
the Volkswagen-Stiftung,
the Deutsche Forschungsgemeinschaft
and the Stiftung f@"ur Innovation des Landes Rheinland-Pfalz
to the @sc{Singular} project.