[Nauty] Re: New nauty version limited release
Sterten at aol.com
Sterten at aol.com
Sun Oct 31 00:43:01 EST 2004
>I changed the copyright notice on the web page to match the one
>in nauty.h. I don't remember how they got to be different,
thanks for answering and clarifying (although you cut some questions ;-) )
>> Also, when students leave schools/universities, they will have
>> apply for a license or discontinue using Nauty ?
>Yes, if they start to use nauty to make money for a company. No, if
>they just want to continue private research.
they will not know it in advance when they still study and look
for the software. And once you start to get familar with some
software and invest time in it then you wouldn't like to
drop it for another software. So that could be a serious reason
not choosing nauty in the first place.
>> Can you tell how many permissions you have launched already ?
>That's a commercial secret. But I have sold licences to companies,
>(all of which money went into my research fund and none into my
>pocket) and I have also refused permission to military research
but I guess it's nor normal that students apply for a licence
as soon as they leave schools ?
>> "Weapons developement or other primarily military purposes" is also
>Yes, but a precise definition is impossible. They can ask and I will
>decide. They also have the option of reimplementing it from scratch
>(a difficult task), since it is copyrighted but not patented. (I am
>strongly opposed to software patents.)
yes, I had a discussion recently with someone claiming copyright
for magic cubes which he constructed.
IMO software developers music composers etc. should be paid by some
global organization. The copyright issue is hard to control and also
>> Most people will (future tense) probably just use nauty to solve
>> puzzles in magazines or webpages. But it seems that you don't want to
>> encourage this, right ?
>On the contrary, that would be just great. The ideas behind the
>(a) If someone is going to make money from my work, they can support
> the research that goes into its development (such as helping
> my graduate students to eat).
I thought your university would pay for it
And who tells, that they won't buy weapons from the money instead ;-)
>(b) If someone wants to do work I disapprove of, they will get as
> little help from me as possible.
most won't get any help at all. Only very few find the way to e.g.
this list, apparantly.
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