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Topic: Unsolved Problems update
Replies: 2   Last Post: Jun 9, 2011 12:40 PM

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Posts: 55
Registered: 1/31/07
Unsolved Problems update
Posted: Jun 7, 2011 5:44 AM
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Two significant developments.

A proof of the Collatz Conjecture has been proposed by Gerhard Opfer,
and two papers have been published on new lower bounds for an odd
perfect number.

Links to all of these can be found on the What's New page at


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