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36 votes
Accepted

Is selling a compilation of Math Stackexchange Q&As legal?

The content on SE is licensed under a Creative Commons license that allows commercial use. Specifically it is licensed under CC BY-SA 3.0. In particular (from the site, my emphasis): [One is] free to:...
quid's user avatar
  • 42.3k
33 votes

Is the following copyright infringement or scholarly analysis? Both? Neither?

Beware "Internet lawyering" in all of its forms. Having said that - and to be clear, I am not your attorney or giving you legal advice - I work in this area and can comment generally on ...
leslie townes's user avatar
21 votes
Accepted

Multiple identical answer whose purpose is to give links to illegal copies of copyrighted material

There are two issues here: A user has posted duplicate answers. Don't post duplicate answers. The SE model is built upon the idea that once a question has been asked and answered, it doesn't need to ...
Xander Henderson's user avatar
  • 30.1k
20 votes

Livestream plagiarism of question titles from Math.SE onto Quora

I actually got a reply from Quora (although I'm fairly sure it's just a template): Jim (Quora) Jul 8, 2020, 12:18 PM PDT Dear Rebeccaā€¨, Thank you for your report. It appears from your claim that you ...
Rebecca J. Stones's user avatar
19 votes

9to5Science scraper site is plagiarizing our content

It's been awhile since I last looked into this. From the SE standpoint efforts basically came to the conclusion that this cannot be managed except by having copyright holders (the OP of Questions or ...
hardmath's user avatar
  • 37.1k
17 votes
Accepted

Is it okay to make Youtube videos discussing Maths StackExchange posts?

Yes! I would guess that your usage of the post in your video will come under "fair use", and hence it will be sufficient to leave a link back to the question on Math.SE. Even if what you do ...
Calvin Khor's user avatar
15 votes
Accepted

Policy on posting links to pirated content?

Our practice as I see it, is that they get removed if they are brought to our attention. Moreover, SE has mechanisms in place to handle things like take-down notices; but this is not something with ...
quid's user avatar
  • 42.3k
12 votes

Is it legal to add images from online graphing calculators such as Desmos or WolframAlpha?

The title asks "Is it legal...?", but the body of the Question raises issues of attribution as well as copyright. Software packages such as Desmos and WolframAlpha are copyrighted, and ...
hardmath's user avatar
  • 37.1k
11 votes
Accepted

Possible violation of copyright if question is answered - What is the Community's view?

I see it like this: either OP can present a geometric problem and ask for an algorithm for it, in which case the legal problem goes away, or they cannot, in which case the question is off-topic and ...
quid's user avatar
  • 42.3k
10 votes
Accepted

Asking about possibly new research results

If you asked about it, and someone provided you with a proof. Isn't claiming it is your formula just stealing their proof? By talking to people you always run the risk of them beating you to the ...
Asaf Karagila's user avatar
  • 396k
7 votes

Sharing a non open access paper

The abstract of the specific 1979 paper you asked about is written in French, so it would be helpful to identify whether "open access" is so much a barrier to discussion here as content ...
hardmath's user avatar
  • 37.1k
7 votes
Accepted

Is the following copyright infringement or scholarly analysis? Both? Neither?

It is the opinion of the Math SE moderation team that this question does not represent a clear violation of copyright law as we understand it. If you believe that our judgement is in error, please use ...
Xander Henderson's user avatar
  • 30.1k
3 votes

Is the following copyright infringement or scholarly analysis? Both? Neither?

Here are my cents of wisdom on this matter (from mathematicians' perspective): SE is aware of the potential copyright issues arising from SE posts. For instance, here is what SE says in its April ...
Moishe Kohan's user avatar
2 votes

Is it okay to make Youtube videos discussing Maths StackExchange posts?

In addition to Calvin Khor's excellent post, I would like to make a couple of additional points. Under US law, and the laws of most other countries, ideas, concepts, principles, discoveries, and the ...
Kevin's user avatar
  • 2,710
1 vote

Is selling a compilation of Math Stackexchange Q&As legal?

Maybe this sort of thing should be applauded? It could in the long run bring more people here.
GEdgar's user avatar
  • 113k
1 vote

Is selling a compilation of Math Stackexchange Q&As legal?

As long as they respect the BY (attribution) and SA (share-alike) clauses I think they will be fine legally. That would require them to keep the user (name)s posting answers as well as questions tied ...
mathreadler's user avatar

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