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Aug 11, 2013 at 8:12 vote accept Sebastien Palcoux
Oct 28, 2014 at 21:37
Jun 10, 2013 at 14:16 history edited Peter Woit CC BY-SA 3.0
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Jun 10, 2013 at 10:51 comment added Todd Trimble ncatlab.org/nlab/show/string+theory+FAQ
Jun 10, 2013 at 9:07 comment added Urs Schreiber The nLab has a page devoted to this question: ncatlab.org/nlab/show/string+theory+FAQ
Jun 10, 2013 at 8:42 comment added Urs Schreiber a) No interesting perturbation series is supposed to converge, for it would mean that it converges also for negative coupling. The important aspect of the string perturbation series is that it is degreewise finite, hence renormalized. b) CY-compactifications "one gets" only when demanding N=1 global susy after compactification. c) The "string landscape" is conserably more constrained than the "QFT landscape", as there are considerably more consistency constraints on a string background. d) Complaints about the size of the landscape confuse theories with models built inside theories.
Jun 9, 2013 at 23:43 history edited Peter Woit CC BY-SA 3.0
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Jun 9, 2013 at 23:32 history answered Peter Woit CC BY-SA 3.0