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nLab > Latest Changes: root of unity

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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeMay 26th 2014
    • (edited May 26th 2014)

    I gave root of unity its own entry (it used to redirect to root), copied over the paragraph on properties of roots of unities in fields, and added a paragraph on the arithmetic geometry description via μ n=Spec(ℤ[t](t n−1))\mu_n = Spec(\mathbb{Z}[t](t^n-1)) and across-pointer with Kummer sequence.

    • CommentRowNumber2.
    • CommentAuthorTobyBartels
    • CommentTimeMay 26th 2014

    Did you mean to leave all of that copied stuff in root?

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeMay 26th 2014

    I’ll let you decide. Whatever seems better.

    • CommentRowNumber4.
    • CommentAuthorTodd_Trimble
    • CommentTimeMay 26th 2014

    It seems easier just to leave it there, but as long as everything links or redirects to the appropriate place, either way seems fine. I think for example that quadratic reciprocity had a link to root, although it was really to the stuff now in root of unity.

1 to 4 of 4

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