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I think JB used to stay on top of this and delete such comments, but the nCafe currently has 2 questionable recently new entries:
1) This crackpot entry.
2) This entry with the only purpose being to include a url to “cures for candida”.
The 2nd should be deleted and probably the 1st unless crackpots are kept for amusement purposes.
Who has the privileges to delete such these days?
Who has the privileges to delete such these days?
All nCafé hosts have the same privileges to edit everything and always had. And we all do and did try to look after spam and related, as far as I am aware.
I have removed the two comments you pointed out.
Quite a lot of n-Café spam accumulating. Leaving it alone encourages more which diminishes the usefulness of the Café, so can one of the ‘hosts’ do a bit of cleaning, please! ;-)
( Later: someone has. Thanks.)
A repeat of some old spam on the Café.
There are at least 6 pieces of spam posted today one the Café. (See Hector and then look at other comments from today (Nov 1)).
10 in fact. All deleted now. Thanks.
A pair of spam comments here at the n-café.
More spam at the cafe, here
Once again, Spam at the café, here, latest addition.
Someone has put something on the texnical_issues section of the Café, the result of which is that any of the links there give the following.
XML Parsing Error: prefix not bound to a namespace Location: https://golem.ph.utexas.edu/category/2006/09/texnical_issues.html#c051639 Line Number 1913, Column 7:
There is then an html line (copied here but not showing).
<linearGradient id="squ2" x1="0" y1="0" x2="1" y2="-.6" xlink:href="#squ1" /> is the bit that that’s not showing in Tim’s #10.
Spam at Light Mills in the café.
Probable spam at ’The Two Cultures of Mathematics’ in the café. The ’author’ gives the name ’sames Review’ and that is the sole content of the post, but that is as a link.
Thanks. Removed now.
Spam in the café at HoTT at JMM. The authors name is charlibilson
Removed. Thanks.
Again Spam in the Café. Flipkart cashback….. at Mathematical Images.
Deleted. Thanks.
A lot of spam in the thread ‘Letter from Grothendieck’, at least 6 entries.
Two spam comments at https://golem.ph.utexas.edu/category/2009/09/nlab_migration_done.html (the two most recent: April 8 last year and Feb 2)
New spam at https://golem.ph.utexas.edu/category/2008/07/light_mills.html#c057355
Deleted. Thanks.
New spam at https://golem.ph.utexas.edu/category/2008/03/some_puzzles.html#c057905 It looks to be a Bulgarian advert for printer toner!
Thanks. We’ve had a few from there.
New spam at https://golem.ph.utexas.edu/category/2008/03/some_puzzles.html#c015603. Again it looks to be Bulgarian.
Thanks. Persistent aren’t they.
https://golem.ph.utexas.edu/category/2009/02/lakatos_as_dialectical_realist.html#c057927
is a rather incoherent comment seemingly by a high school math teacher but links to a Turkish, not Bulgarian, health and beauty site.
I wondered about that but it would take quite a bit of research to find such a suitable thread given the subject matter of Lakatos’s Proofs and Refutations.
New Spam at the Café. Under the modular flow… there are two new posts, one labelled ‘real’ which I have not looked at and one with SEO in the title. (and the spammer can’t spell!)
Thanks. Removed.
New entry at the café: Thanks for sharing such a valuable content. Please bring more content for us. Please Visit my site for checking knowledge.
i.e. this is litter heading towards Spam. The entry is in the Crossed Homomorphism discussion.
Spam in the café: https://golem.ph.utexas.edu/category/2008/07/light_mills.html#comments.
What is it about that post? Can we shut down comments on it? The potential for someone to come along 12 years later and give a comment that outweighs all the spam that’s received over the years seems very slight.
Deleted, thanks.
Light Mills spammed three times this morning!
(Edit : some time later, two other spam items have been added. They look like old ‘friends’!!)
New spam : https://golem.ph.utexas.edu/category/2006/09/texnical_issues.html#c056844 from today. One obviously spam and two that look like ’wise guys’ trying to post for fun! These are the last three in the chron listing.
Why it matters? has a suspect entry. The ‘author’ is situs idn poker, and it is the second time the post has appeared. Yesterday I thought it had been removed but this morning it has reappeared.
New spam: Stock market trading apps in India here.
Slightly suspect entry in the café: It just says:
Important Gyan
Its very useful and Quality article. Thanks a lot. all will enjoy and require knowledge.
‘Advertising’ spam on the Café at Jobs at Riverside zee, but also the next entry from [diana], which sends you to a Pakistani site.
More spam at the Light Mills post.
I think after all this time it might be an idea to close comments on that thread, since it seems to be a particularly strong magnet for spam, and it’s not like it is attracting thoughtful and meaningful contributions.
Probable spam at Why it matters.
Spam at TWF285
There is a spurious entry here. It is signed ’assignment writing service’!
Probable new spam in the Post ‘Why it matters?’
its very nice informative post https://sites.google.com/view/godhand/agen-togel-terpercaya Posted by: Bandar Togel Online on July 17, 2021 6:44 AM
Deleted now. Thanks.
New spam in the Café. Three copies of the same text here, posted 16 August 2021.
Thanks!
More spam in the Café
Persistent!
Seems to be Spam at ‘Why it matters’. The person who posts under that name (paragon….) seems to be a spammer. Note there are two such posts.
New spam on the Café ar ‘Re: Integral Octonions (Part 11)’ and then repeated below under another heading.
Probable spam at Why it matters' signed bykapaljudi’.
New spam at ’Why it matters?’.
Yet more at ‘From Set Theory to Type Theory’ advertising some journals.
Thanks.
Suspected advertising for a journal, therefore Spam, here
Possible spam here
New spam here. This is an advert for a game!
Strange post, here on the Café. The link for the ‘poster’, Emily Parker, gives an advertisement.
New suspect post here.
New spam here.
I had removed the spam. Thanks, Tim.
Spam here. The name yash connects to a page selling solar panels in Brisbane!!!
Spam here. Two items.
Thanks, Tim. All 4 items deleted.
Incidentally, it is not clear to me that the nForum should host this noise which is caused by another site. Please consider having this activity at an appropriate place.
Removed now. I should see if the nCafe can think of an alert mechanism.
Well, there is the feed of all comments posted to the n-Category Café (https://golem.ph.utexas.edu/category/comments.atom). The daily comment volume is pretty low (~0) and the volume of spam posts is lower, so I guess that should work for now?
New spam here: https://golem.ph.utexas.edu/category/2025/06/counting_with_categories_part_1.html#comments
reiterating #72:
The nForum is not the place to host noise which is caused by another site. Please consider having this activity at an appropriate place.
Thanks, have removed.
In view of #72, you might consider alerts via the CT Zulip, since more nCafé moderators are there.
Why not post the alerts (if they need to be posted) to the nCafe itself or by email to its active moderators? It seems weird to me to bother other sites with your spam.
I’ve started a thread on the Category Theory Zulip on this topic:
I don’t think this belongs on the CT Zulip any more than it does here.
Can’t nCafé moderators be notified by email if someone notices a problem? Or, since I think David C. is one of the moderators: how would you like to be alerted?
Another option along these lines would be to send a DM to one of the moderators through the Zulip. That way you don’t create unnecessary noise over public channels.
I agree with #81. The nCafé and the nForum are at least historically connected. The CT Zulip is wholly independent.
I see no problem with reporting spam here. People can ignore this thread if they want to. It’s one thread among many that only sees very sporadic activity. Posting a comment at the Café about a spammer was presumably seen as too-public an activity, too close to the action. the nForum was a back channel for alerting people with site-editing powers, who were regulars here as well as there. Emailing an individual can be too slow, and also puts the onus on the individual, and can lead to duplication of notifications. A group posting that’s visible means: 1) people have noticed the spam, no one else need report it, 2) any one of the people with the power to deal with it can deal with it if they choose, and 3) the removal can be noted, if desired, to prevent more back-and-forth.
I don’t know of another place that’s better suited than here for that purpose.
Anyone who sees spam on the nCafé is free to either email me about it or DM me on the category theory Zulip. David Corfield, Tom Leinster and Mike Shulman are also able to delete spam on the nCafé.
Posting about it on the nForum is unhelpful. Posting about it publicly on the category theory Zulip is similarly unhelpful.
Some jerk is spamming my articles on the n-Café now, and Jacques Distler is attempting to help me block it. I’ve known about this for 2 days. Any spam on my articles automatically goes into my inbox and I see it.
Thanks, John. I’m not opposed to other solutions, but I care about the way they are arrived at, from a community-building and social point of view.
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