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    • CommentRowNumber1.
    • CommentAuthorEric
    • CommentTimeApr 20th 2010

    Created a stub with some references for geometrodynamics.

    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeApr 22nd 2010

    added an Idea-section to geometrodynamics

    • CommentRowNumber3.
    • CommentAuthorEric
    • CommentTimeApr 22nd 2010

    I don't recall seeing or reading about the connection between geometrodynamics and BF theory. Aside from that, are there people who still take the idea of geometrodynamics seriously. It is very pretty, but I can imagine some no-go theorem somewhere that refutes it with some simple gedanken experiment.

    • CommentRowNumber4.
    • CommentAuthorUrs
    • CommentTimeApr 22nd 2010

    I don’t recall seeing or reading about the connection between geometrodynamics and BF theory.

    I was thinking of the work by John Baez with some of his students (I forget who exactly that was) on 3-dimensional gravity as a TFT, where matter worldlines are realized as tubes taken out of the 3d cobordsim. That kind of phenomenon. There is more along these lines in the literature, but I don’t have the time to dig out the arguments.

    • CommentRowNumber5.
    • CommentAuthorEric
    • CommentTimeApr 25th 2010

    I added a reference to Friedman and Sorkin Spin 1/2 from Gravity and some section headers with a query box in “Spin without Spin”.

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