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Timeline for A four-dimensional counterexample?

Current License: CC BY-SA 3.0

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Jul 3, 2011 at 17:32 comment added Igor Rivin Thanks. This is perfectly valid, but I should have added orientability to the original question (I won't edit it, so that your answer is an answer to the question).
Jul 2, 2011 at 20:39 history edited Qfwfq CC BY-SA 3.0
added 47 characters in body
Jul 2, 2011 at 20:31 history edited Qfwfq CC BY-SA 3.0
added 449 characters in body; added 39 characters in body
Jul 2, 2011 at 20:24 history edited Qfwfq CC BY-SA 3.0
added 146 characters in body
Jul 2, 2011 at 20:18 history edited Qfwfq CC BY-SA 3.0
added 18 characters in body; added 39 characters in body; added 1 characters in body; added 44 characters in body; added 4 characters in body
Jul 2, 2011 at 20:11 history answered Qfwfq CC BY-SA 3.0