Posts Tagged ‘Regge Calculus’

Robust Discretization Schemes…

quarta-feira, 26 jan 2011; \04\America/New_York\America/New_York\k 04 3 comentários

Today, the following article came up on the arXivs:

This is all fine and dandy… but my question is: “How does this paper (above) compare to the following”:

That is, GR is naturally written in terms of [pseudo-]differential forms (aka tensor densities), so the methods described above should be very appropriate to attack the problem of discretizing the path integral in such a way as to retain its symmetries.

» Robert Oeckl (2005). DISCRETE GAUGE THEORY: From Lattices to TQFT World Scientific eBooks, 1-216 DOI: 10.1142/9781860947377

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