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Jul 29, 2015 at 14:02 comment added J. M. ain't a mathematician @rschwieb, I could probably try to actively search for questions in just the two tags I am most interested in, but even then, the results are polluted by people who couldn't be arsed to tag properly, which has the net effect of putting me off. Which brings me back to my comment in the question: I came here because posting was fun, but now it feels like drudgery.
Jul 12, 2015 at 7:27 comment added user21820 I'm curious as to why those people you mentioned left.
Jul 7, 2015 at 20:44 comment added Georges Elencwajg Thanks a lot for your very interesting and much appreciated comment, @Jyrki.
Jul 7, 2015 at 19:23 comment added Jyrki Lahtonen Mod I agree that this is a problem. I try to use my votes to reward questions and answers in more advanced topics (within the tags that I'm semi-familiar with). But that is just a drop in the ocean. BTW Asal Beag Dubh means "Little black donkey" in Irish, so it is safe to assume it was an alias. Also this. All the users you listed are missed.
Jul 7, 2015 at 18:48 history edited Georges Elencwajg CC BY-SA 3.0
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Jul 7, 2015 at 16:47 comment added davidlowryduda Mod I've thought about this. It's very easy to find easy low-level problems on the site. It's relatively hard to find interesting high-level problems on the site, especially if they're a bit old. I bet this seems much harder for a new visitor to the site --- to fresh eyes, the typical page is full of early undergrad and high school problems. Would you agree?
Jul 7, 2015 at 15:28 comment added rschwieb As an aside, we might guess at natural reasons for specialist shortages: 1) specialists are likely to be academically very busy IRL and 2) such users may find that writing high-quality answers for upper-level questions very energy consuming and 3) questions catching the fancy of a particular specialist may occur at such low relative frequency that the specialist gets out of that habit of listening and participation drops.
Jul 7, 2015 at 10:19 comment added quid What do you think is the reason for the (perceived) lack of specialists?
Jul 7, 2015 at 10:15 comment added user642796 Mod Of course, this differs from area to area. From what I can tell, there are enough expert set theorists active on the site. General topologists, too, although graduate-level questions in general topology seem to have become an extreme rarity here.
Jul 7, 2015 at 10:15 comment added Asaf Karagila Mod I think that MO is receptive towards grad level questions, provided they are well written and it's clear that the OP is interested in learning, not just receiving an answer.
Jul 7, 2015 at 9:47 history answered Georges Elencwajg CC BY-SA 3.0