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    • CommentRowNumber1.
    • CommentAuthorTim_Porter
    • CommentTimeNov 3rd 2012

    Someone signing themselves as ‘Joker? at November 3, 2012 08:05:13 from 93.129.88.58’ deleted two lines from sheaf and topos theory. There seemed no reason for this, so I have rolled back to the previous version.

    • CommentRowNumber2.
    • CommentAuthorTim_Porter
    • CommentTimeNov 3rd 2012
    • (edited Nov 3rd 2012)

    Repeat performance. November 3, 2012 18:09:05 by Joker? (93.129.88.58), this time at topos. The line deleted mas the same (I think). The Joker seems to live in Bonn.

    • CommentRowNumber3.
    • CommentAuthorAndrew Stacey
    • CommentTimeNov 3rd 2012

    Hmm, this is a bit irritating to say the least. I’m quite prepared to block an IP due to this sort of behaviour. So far, these are the only two activities from this IP.

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeNov 5th 2012

    That’s curious. So that user twice removes a pointer to the MacLane-Moerdijk textbook and the line advertizing it as an introduction to topos theory.

    • CommentRowNumber5.
    • CommentAuthorTim_Porter
    • CommentTimeNov 5th 2012

    I was wondering about that. The IP address was tracable to Bonn, but that does not say much.

    • CommentRowNumber6.
    • CommentAuthorTobyBartels
    • CommentTimeNov 5th 2012
    • (edited Nov 5th 2012)

    Is there anybody in Bonn who doesn't like Mac Lane–Moerdijk?