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  1. Expanded motivation section and wrote a bit on coordinate representation.

    diff, v5, current

  2. Thanks very much!

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeJun 18th 2019

    added this pointer:


    A conjecture that all compact Ricci flat manifolds either have special holonomy or else are “unstable”:

    diff, v13, current

    • CommentRowNumber4.
    • CommentAuthorPaoloPerrone
    • CommentTimeJun 19th 2019

    The page says that Ricci curvature is a differential 2-form, but the Ricci curvature (tensor) is actually symmetric. Is there anything that I’m missing, or can I correct it?

    • CommentRowNumber5.
    • CommentAuthorUrs
    • CommentTimeJun 19th 2019

    Thanks for catching this. I have fixed it now. But please feel invited to further expand.

    diff, v14, current

    • CommentRowNumber6.
    • CommentAuthorUrs
    • CommentTimeJul 30th 2024

    added (here) statement of the Ricci tensor for round nn-spheres

    diff, v20, current

    • CommentRowNumber7.
    • CommentAuthorUrs
    • CommentTimeJul 30th 2024

    also touched the formatting of the section on regularity (here) and of its references, for polishing

    diff, v20, current