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nLab > Latest Changes: local epimorphism

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  1.  
    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeJul 16th 2018

    I have

    • touched the formatting of this ancient entry,

    • expanded and streamlined the Idea-section a little,

    • added illustrating diagrams for the definition of the sieves appearing in the definition (here) of local epis from a given site

    • added the version of the definition for covergages instead of Grothendieck topologies (here, is this in Johnstone?)

    • added statement of the proposition that the Cech nerve projection out of a local epi is a local weak equivalence of simplicial presheaves (here)

    diff, v12, current

  2. Corrected typo in section 3.1 where seemingly a reference was made to category C instead of S.

    Anonymous

    diff, v14, current

1 to 2 of 2

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