Many people who returned from Amsterdam explained that the topic of the subleading corrections to the entropy of black holes (coming from higher order terms in the effective action), black rings, and their relations with topological string theory and various dual descriptions has been the focus of roughly one half of the talks and discussions. It's a category of questions that has attracted a significant part of the theoretical physics community these days.
Other Interesting arXiv Papers (Week Ending 18 May 2013)
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The best of the rest from the Physics arXiv preprint server
Performance of a Remotely Located Muon Radiography System to Identify the
Inner Structure of ...
3 hours ago
snail feedback (1) :
If you want to see some results of this kind, I recommend http://arxiv.org/abs/hep-th/0410076
The way these guys get agreement from two very different calculations is string theory at its most impressive.
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