I guess it boils down to whether "should" means "must" here, or not. Are there any means to decide, any precedents?
(I can also contact authors and ask whether they might soften the language...) Thanks, Dima On Jul 28, 9:43 pm, William Stein <wst...@gmail.com> wrote: > On Wed, Jul 28, 2010 at 11:30 AM, David Joyner <wdjoy...@gmail.com> wrote: > > On Wed, Jul 28, 2010 at 12:46 PM, William Stein <wst...@gmail.com> wrote: > >> On Wed, Jul 28, 2010 at 8:52 AM, David Joyner <wdjoy...@gmail.com> wrote: > >>> I think this is basically a modified BSD license, which is GPL compatible. > > >> It has an additional condition that is not in the GPL: "Any > >> publication resulting from research that made use of > >> this software should cite this document." This might make it non-GPL > >> compatible. > > > I view that as more of a request (as in "here is how to > > cite DSDP...") than a legal requirement, but maybe I'm wrong. > > If it is a request, it's fine. If it is a legal requirement, then it > definitely renders the software GPL-incompatible. > If it's a legal requirement, then it is kind of similar to the > "advertising must explicitly cite this component" clause of the > original non-GPL-compatible BSD license. > > -- William > > > > > > > > >> William > > >>> On Wed, Jul 28, 2010 at 11:29 AM, Dima Pasechnik <dimp...@gmail.com> > >>> wrote: > >>>>http://www.mcs.anl.gov/hs/software/DSDP/Copyright.txt > > >>>> (C) COPYRIGHT 2004 UNIVERSITY OF CHICAGO > > >>>> This program discloses material protectable under copyright laws of > >>>> the United States. > >>>> Permission to copy and modify this software and its documentation is > >>>> hereby granted, provided that this notice is retained thereon and on > >>>> all copies or > >>>> modifications. The University of Chicago makes no representations as > >>>> to the suitability > >>>> and operability of this software for any purpose. It is provided "as > >>>> is"; without > >>>> express or implied warranty. Permission is hereby granted to use, > >>>> reproduce, prepare > >>>> derivative works, and to redistribute to others, so long as this > >>>> original copyright notice > >>>> is retained. Any publication resulting from research that made use of > >>>> this software > >>>> should cite this document. > > >>>> [.... truncated - there is more stuff...] > > >>>> Thanks, > >>>> Dima > > >>>> -- > >>>> To post to this group, send an email to sage-devel@googlegroups.com > >>>> To unsubscribe from this group, send an email to > >>>> sage-devel+unsubscr...@googlegroups.com > >>>> For more options, visit this group > >>>> athttp://groups.google.com/group/sage-devel > >>>> URL:http://www.sagemath.org > > >>> -- > >>> To post to this group, send an email to sage-devel@googlegroups.com > >>> To unsubscribe from this group, send an email to > >>> sage-devel+unsubscr...@googlegroups.com > >>> For more options, visit this group > >>> athttp://groups.google.com/group/sage-devel > >>> URL:http://www.sagemath.org > > >> -- > >> William Stein > >> Professor of Mathematics > >> University of Washington > >>http://wstein.org > > >> -- > >> To post to this group, send an email to sage-devel@googlegroups.com > >> To unsubscribe from this group, send an email to > >> sage-devel+unsubscr...@googlegroups.com > >> For more options, visit this group > >> athttp://groups.google.com/group/sage-devel > >> URL:http://www.sagemath.org > > > -- > > To post to this group, send an email to sage-devel@googlegroups.com > > To unsubscribe from this group, send an email to > > sage-devel+unsubscr...@googlegroups.com > > For more options, visit this group > > athttp://groups.google.com/group/sage-devel > > URL:http://www.sagemath.org > > -- > William Stein > Professor of Mathematics > University of Washingtonhttp://wstein.org -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
