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Recently Francisco Santos has announced that he has a counterexample to the Hirsch conjecture. The last I heard it was circulating among several people and there would be a public version of it available soon. I am curious how close it is to release. Also has there been any progress in the attempt to find the vertices of the counterexample. The last I heard to find the vertices a series of steps had to be done and each step increased the complexity of the problem by a geometric factor making it difficult to complete the computation.

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    $\begingroup$ There is some information at Gil Kalai's blog, gilkalai.wordpress.com/2010/05/10/… $\endgroup$ – Gerry Myerson May 28 '10 at 23:03
  • $\begingroup$ Santos has a comment on Gil's blog saying that May 24 was an approximate deadline for release. looks like it's overdue $\endgroup$ – Suresh Venkat May 29 '10 at 9:02
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The public version is now out. It is available here

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