ABC conjecture

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*[https://plus.google.com/117663015413546257905/posts/Npu7xDniXMS John Baez Google+], 4 Sept 2012, see also a [https://plus.google.com/117663015413546257905/posts/2vTzJJSueRb repost]
*[https://plus.google.com/117663015413546257905/posts/Npu7xDniXMS John Baez Google+], 4 Sept 2012, see also a [https://plus.google.com/117663015413546257905/posts/2vTzJJSueRb repost]
**[https://plus.google.com/117663015413546257905/posts/hzqBCeujWEg John Baez Google+], 5 Sept 2012
**[https://plus.google.com/117663015413546257905/posts/hzqBCeujWEg John Baez Google+], 5 Sept 2012
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**[https://plus.google.com/117663015413546257905/posts/d1RsN4KnCUs John Baez Google+], 12 Sept 2012, comments by Minhyong Kim.
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**[https://plus.google.com/117663015413546257905/posts/d1RsN4KnCUs John Baez Google+], 12 Sept 2012, by Minhyong Kim.
*[https://plus.google.com/114134834346472219368/posts/c7LkaWV69KL Terence Tao Google+], 4 Sept 2012
*[https://plus.google.com/114134834346472219368/posts/c7LkaWV69KL Terence Tao Google+], 4 Sept 2012
*[http://bit-player.org/2012/the-abc-game The abc game], bit-player, 7 Sept 2012
*[http://bit-player.org/2012/the-abc-game The abc game], bit-player, 7 Sept 2012

Revision as of 11:07, 12 September 2012

The abc conjecture asserts, roughly speaking, that if a+b=c and a,b,c are coprime, then a,b,c cannot all be too smooth; in particular, the product of all the primes dividing a, b, or c has to exceed c^{1-\varepsilon} for any fixed \varepsilon > 0 (if a,b,c are smooth).

This shows for instance that (1-\varepsilon) \log N / 3-smooth a,b,c of size N which are coprime cannot sum to form a+b=c. This unfortunately seems to be too weak to be of much use for the finding primes project.

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Mochizuki's proof

The paper: INTER-UNIVERSAL TEICHMULLER THEORY IV: LOG-VOLUME COMPUTATIONS AND SET-THEORETIC FOUNDATIONS, Shinichi Mochizuki, 30 August 2012

The previous papers:Shinichi Mochizuki's papers

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