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nLab > Latest Changes: adhesive category

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  1.  
    • CommentRowNumber1.
    • CommentAuthorMike Shulman
    • CommentTimeJun 2nd 2021

    The cube diagram on this page is MIA, in case anyone feels like investing a few minutes of tikzcd fun to fix it.

    diff, v14, current

    • CommentRowNumber2.
    • CommentAuthorDavidRoberts
    • CommentTimeJun 2nd 2021

    Added publication details and journal links for most of the papers in the references section

    diff, v15, current

  3. Attempt to fix broken cubical diagram image embedding.

    Anonymous

    diff, v16, current

    • CommentRowNumber4.
    • CommentAuthorBryceClarke
    • CommentTimeMay 4th 2023

    Added some examples of categories which are not adhesive.

    diff, v19, current

  5. Added observation that monos are regular.

    diff, v22, current

    • CommentRowNumber6.
    • CommentAuthorDavid_Corfield
    • CommentTimeMay 2nd 2025

    Added a line on their use in double-pushout rewriting and a line on their relation to extensive categories.

    diff, v23, current

    • CommentRowNumber7.
    • CommentAuthorJohn Baez
    • CommentTimeMay 26th 2025

    Changed this clause in definition 1:

    C has pullbacks and pushouts of monomorphisms

    to this:

    C has pullbacks, and pushouts of monomorphisms

    I think this changes the meaning (we’re requiring all pullbacks exist, but only pushouts of monomorphisms), and reading Lack and Sobocinski I think this change is correct.

    diff, v24, current

    • CommentRowNumber8.
    • CommentAuthorJohn Baez
    • CommentTimeMay 26th 2025

    I made the same change in definition 3, adding the comma here:

    C has pullbacks, and pushouts of monomorphisms

    diff, v24, current

1 to 8 of 8

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