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Thursday, September 16, 2010

Just a Few Thangs

RJ Lipton offers a brief update on where things stand with Vinay Deolalikar’s P{\neq}NP “proof” here:

http://tinyurl.com/2wqandk 

(essentially, it's still being discussed and worked on, and we're a long way from final resolution) 

The 3rd "Mathematics and Multimedia Blog Carnival" is up-and-running here:

http://math4allages.wordpress.com/2010/09/13/blog-carnival-3/


Some unresolved prime number questions here:

http://twitpic.com/2ou1x8

And lastly, another quickie puzzle (that MAA's "MinuteMath" ran recently):

A certain positive integer "x" has the property that x% of x = 4. What is "x"?

answer below:
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solution x = 20
 

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