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It would be good for this article to clarify exactly how much of QFT is put on a rigorous mathematical footing by this theory. There is still no completely rigorous definition of an interacting QFT in 3+1 dimensions, so this theory can't make everything rigorous. What exactly does it accomplish? -- Spireguy (talk) 15:35, 13 June 2011 (UTC)
> This is best descibed as an obscure curiosity. 143.233.252.2 (talk) 09:25, 4 September 2019 (UTC)