The moduli space and M(atrix) theory of 9D Script N = 1 backgrounds of M/string theory

  title={The moduli space and M(atrix) theory of 9D Script N = 1 backgrounds of M/string theory},
  author={Ofer Aharony and Zohar Komargodski and Assaf Patir},
  journal={Journal of High Energy Physics},
We discuss the moduli space of nine dimensional = 1 supersymmetric compactifications of M theory / string theory with reduced rank (rank 10 or rank 2), exhibiting how all the different theories (including M theory compactified on a Klein bottle and on a Mobius strip, the Dabholkar-Park background, CHL strings and asymmetric orbifolds of type II strings on a circle) fit together, and what are the weakly coupled descriptions in different regions of the moduli space. We argue that there are two… 

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