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        riddles >> general problem-solving / chatting / whatever >> Buy Theorems at Walmart
        
(Message started by: william wu on Mar 6^th, 2012, 1:25pm)

Title: Buy Theorems at Walmart
Post by william wu on Mar 6^th, 2012, 1:25pm

My advisor Brad Osgood was doing a google search for the Gershgorin Circle Theorem, and this came up amongst the links.

http://wuriddles.com/images/walmart_math.png

Title: Re: Buy Theorems at Walmart
Post by SWF on Mar 6^th, 2012, 7:47pm

Does someone who purchases the theorem have the rights to rename the theorem, or is he just purchasing a license to use it?

Apparently putting Walmart in the search line submits it to Walmarts search function. Even "Sears Walmart" goes to Walmart's site instead of Sears.

Title: Re: Buy Theorems at Walmart
Post by Michael Dagg on Mar 9^th, 2012, 5:28pm

I find that rather interesting to say the least.

As if they are using the referrer keywords in the
advertisement link. Nothing surprises me.

Anyway, Gershgorin's theorem is a nice method of
approximating eigenvalues by using a union of disks
in the complex plane. It is effective and the algorithm
to do it is not too complex.

If anyone is interested in it I am game to discuss it.