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created stub entry for double nerve in reply to this MO question.
Out of curiosity, what did you write in the source to produce that improper HTML? Or did you do it by hand?
I am afraid I don't know what you mean. Which improper HTML?
Oh, now I get it: I "closed" the hyperlink without using a slash. Fixed now.
I guess we should think of this entry as discussing a restriction of the nerve construction on double categories to 2-categories. But then the leading content should be about double categories. However, I can’t find people using “double nerve”, just “nerve of a double category” as here, p. 5.
Is there a standard vocabulary?
My impression is that the page is describing a different construction than the nerve of a double category (which probably does deserve its own page).
While the entry is short, it seems quite unambiguous to me. But I have now made the pointers to the two references given more explicit.
(The terminology seems to be due to Bullejos, Faro & Blanco 2005, just as cited in the entry.)
That said, I haven’t really invested into this notion and wouldn’t know that I had created this entry (in 2009) if the page history didn’t claim so. So if anyone sees themselves improve on this entry, please don’t hesitate.
Re #6, oh I see. I just assumed it would be the same construction without checking.
So we ought to add something to nerve of a category.
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