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Atrium > Mathematics, Physics & Philosophy: I-adic completion problem

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    • CommentRowNumber1.
    • CommentAuthorelif
    • CommentTimeAug 30th 2013
    In http://www.math.osu.edu/~castravet.1/MATH518/ex8.pdf,second problem when I choose I or J as maximal ideal of a ring, can I satisfy problem condition?
    • CommentRowNumber2.
    • CommentAuthorTim_Porter
    • CommentTimeAug 31st 2013

    That is simply a question of looking at cofinal subsets.

    I think you need to have a look at why I-adic completions arise in Algebraic Geometry and also in topology. Some of those situations may generalise to a higher categorical structure.

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