I had already asked a question as follows: "Is there a one dimensional foliation of a two dimensional manifold whose foliation groupoid is diffeomorphic to a 3 sphere with two north pole. The latter is constructed as follows: We take a disjoint union of two 3_ spheres S,S' and identify each point $x$ different from the North pole of S to the same point at S'. So we get a 3 sphere with two North poles. It is a non Hausdorff 3 manifold which is constructed in the similar way as construction of a line with 2 origin" Could you please help me to find my question. It has at least 2 tags and . I searched my questions but I did not find that question. Thank you

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    $\begingroup$ I undeleted the question (the one found by Martin Sleziak). It was autodeleted, but it had no negative feedback. $\endgroup$
    – Stefan Kohl Mod
    Oct 2 at 7:34
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    $\begingroup$ Of course, one should keep in mind that if the question still fulfills the criteria for roomba, it will be deleted the next time the script runs. (AFAICT this basically meant that t will be deleted again if it doesn't get an upvote or at least two comments.) $\endgroup$ Oct 2 at 8:38
  • $\begingroup$ @StefanKohl Dear Stefan Thank you very much for undeletting my question $\endgroup$ Oct 2 at 10:41

I suppose that the question you're looking is this one: One dimensional foliation of surfaces with prescribed graph of foliation.

The question is deleted. You should be able to see it from the above link - since it is your own question. (The users like me - who are below 10k reputation points - cannot see the deleted question. But luckily enough, there is a snapshot in the Wayback Machine.)

The way you could have found the question is to look at the list of the deleted questions tagged (groupoids) and (foliations). In this list you do not see the titles, only links. But since there are only 4 question, it is not too much trouble to go through them one by one. (In the list you can also see that this particular question was created in September 2014 and deleted in September 2015 and it had score 0 at the time of the deletion.) And, of course, you can also check whether some of the other questions in this list is yours. I will add that on Mathematics there are no deleted questions with those two tags. Checking all deleted questions tagged foliations or all deleted questions tagged groupoids would be more work - in both cases there are about 50 questions - but it is still doable.

Some additional remarks:

  • $\begingroup$ Dear Martin Thank you very much for your very helpful answer $\endgroup$ Oct 2 at 10:42

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