Here is a ticket with the new nauty release, and a proposal to make it a standard package. http://trac.sagemath.org/ticket/19919
Please vote (it is already an optional package for long time, I think), and there are no more formal copyright reasons preventing us from having it standard. Dima On Friday, 20 November 2015 14:19:08 UTC, Dima Pasechnik wrote: > > we now have a permission from Brinkmann to release his part of the code > under whatever license we see fit; > we already obtained a permission from from Brendan McKay to release nauty > as a GPLed Sage package, so we > are all set for this to go ahead. > > > ------------------------------------------------------------------------------------------------------------------ > Date: Fri, 20 Nov 2015 11:38:26 +0100 > From: Gunnar Brinkmann <gunnar.brinkm...@ugent.be> > To: Dima Pasechnik <dmitrii.pasech...@cs.ox.ac.uk>, Jeroen Demeyer < > jdeme...@cage.ugent.be> > Subject: Code generating finite posets of given size > User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 > Thunderbird/38.3.0 > > Hi Dima, > > Jeroen just asked whether I could explicitly declare that it is OK to > use the poset generating code in > Sage. The problem with the (special) nauty file was already solved by > Brendan, so with this mail I declare that > you can also use the (rest of the) poset generating code in Sage under > any license you need to make it available. > > Best wishes, > > Gunnar > > -- > > > > > Gunnar Brinkmann > Applied Mathematics, Computer Science and Statistics > Ghent University > Krijgslaan 281 - S9 > B - 9000 Ghent > > email: gunnar.brinkm...@ugent.be > > phone: +32-9-264.48.07, Fax: +32-9-264.49.95 > > ------------------------------------------------------------------------------------------------------------------- > > On Monday, 29 June 2015 12:30:20 UTC+1, Jori Mäntysalo wrote: >> >> More about licenses, see http://trac.sagemath.org/ticket/14110 . This is >> a >> non-technical issue. Who wants to contact the makers of nauty (and poset >> generation program)? I do not want, as I don't know that much about >> licenses and copyright issues. >> >> I am quite sure that they have not really thinked about the restrictions. >> We don't have just programs anymore, but metaprograms like Sage >> containing >> other software. >> >> -- >> Jori Mäntysalo >> > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
