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[Caveat emptor: this is slightly speculative suggestion from a position of relative ignorance.] There's also another scale in the game in "ordinary" AdS/CFT: while $\lambda$ sets string length, $N$ sets Planck length. Large $N$ suppresses quantum effects, while large $\lambda$ suppresses stringy effects. Stringy (higher derivative) effects have no obvious ...

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OK, let us start from your example. I think that it is too pathological to be considered as a safe starting point for this discussion, which is worth and interesting however. Nevertheless I would like to spend some words about this case since it permits to introduce some general issue useful in the second part of my answer. AdS_n is not globally hyperbolic. ...

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Yes, he did. There's a press release at UCSB that acknowledges it as his second win: http://www.ia.ucsb.edu/pa/display.aspx?pkey=3161 The reason for this is, presumably, that the committee is considering giving him the bigger "2014 Fundamental Physics Prize." In essence, the Physics Frontiers prize is a nomination for that. (This is based on the ...

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