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nLab > Latest Changes: n-category

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  1.  
    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeAug 11th 2013
    • (edited Aug 11th 2013)

    When pointing somebody to it, I noticed that the entry n-category is in a rather sad state and in particular it used to start out in a rather unhelpful fashion. I have now tried to briefly fix at least the latter problem by expanding and editing the first two sentences a bit. Notably I made sure that a pointer to (∞,n)-category appears early on, for that is a place with more robust information, currently.

    • CommentRowNumber2.
    • CommentAuthorMike Shulman
    • CommentTimeOct 9th 2013

    I noticed that n-category still contained an old query box from me remarking on a rumor that Joyal’s definition is not quite right. This has since been made precise and fixed by Dimitri Ara, so I added a remark to that effect and removed the query box. Ara’s notion of “n-quasicategory” appears to be missing from the nLab and in particular from the entry (infinity,n)-category, but I don’t have time to add it now.

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeOct 9th 2013
    • (edited Oct 9th 2013)

    Dimitri Ara’s stuff is all discussed at model structure on cellular sets, and linked to from the relevant entries.

    But it is true that I failed to highlight the term “n-quasicategory” when writing that entry. I have now created n-quasicategory and cross-linked with relevant entries.

    [ the hyphen-bug is effective. I tried to add redirects with the (invisible) variants of the hyphen. But if some links to “n-quasicategory” are still broken, we need to replace them by copy-and-pasting the entry title ]

    • CommentRowNumber4.
    • CommentAuthorMike Shulman
    • CommentTimeOct 9th 2013

    Ah, great, thanks.

    • CommentRowNumber5.
    • CommentAuthorUrs
    • CommentTimeOct 3rd 2022

    To the “list of definitions” (here) I have added a line:

    (But this old entry would deserve some more attention and updating…)

    diff, v30, current

    • CommentRowNumber6.
    • CommentAuthorDmitri Pavlov
    • CommentTimeMay 29th 2023

    Removed the following two query boxes, which had no effect despite being displayed there for many years. As a side remark, the entry that is the progenitor of nLab’s name should probably have at least some references…

    +–{: .query} Someone should add some more references! =–

    +–{: .query} Please add any other comparisons you are aware of! =–

    diff, v31, current

    • CommentRowNumber7.
    • CommentAuthorUrs
    • CommentTimeMay 29th 2023
    • (edited May 29th 2023)

    have expanded the Idea-section (here, ending up effectively rewriting it from scratch, thereby)

    added a References-section with a pointer to the references at higher category theory.

    Best would probably be to create an entry higher categories – references with a bare list of references, and then to !include it here and there and maybe elsewhere, too.

    diff, v33, current

    • CommentRowNumber8.
    • CommentAuthorUrs
    • CommentTimeFeb 2nd 2024

    added references with exposition of algebraic notions of nn-categories

    (moved over from the entry infinity-category, as announced there)

    diff, v35, current

  9. I replaced “terminal category” with “singleton” because “terminal category” suggests that it is terminal in the category of 1-categories and 1-functors, which is inappropriate in the context of the sentence. (This is also where the link goes.)

    Patrick Nicodemus

    diff, v36, current

    • CommentRowNumber10.
    • CommentAuthorUrs
    • CommentTimeFeb 13th 2024

    How about we keep the link but make it read “singleton category”, which is what the entry behind the link discusses.

    I feel that if one wants to be pedantic here then better to adjust the title/redirects of that entry than not pointing to it.

    diff, v37, current

1 to 10 of 10

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