<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi all,<div><br></div><div>here is the link to the paper:</div><div><br></div><div> <a href="http://arxiv.org/abs/1207.2686">http://arxiv.org/abs/1207.2686</a></div><div><br></div><div>Cheers,</div><div><br></div><div> Volker</div><div><br>
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