arQiv.org: revolutionize scientific discussion
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To discuss any arXiv article, just change "X" to "Q" to visit arQiv.
E.g: Perelman, Grisha (November 11, 2002). "The entropy formula for the Ricci flow and its geometric applications"

   Article    http://arxiv.org/abs/math/0211159
   Discussion http://arqiv.org/abs/math/0211159
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