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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeJan 31st 2014

    did some brushing-up at semiadditive category.

    • CommentRowNumber2.
    • CommentAuthorbeppe
    • CommentTimeFeb 2nd 2022
    • (edited Feb 2nd 2022)
    Maybe it could be linked to additive and abelian categories
    • CommentRowNumber3.
    • CommentAuthorbeppe
    • CommentTimeFeb 2nd 2022
    Also, if I am not wrong, such "semiadditive" cats are called "linear" by Lawvere-Schanuel in "Conceptual Mathematics"...