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Subject: Re: The problem with big-O is one of definitions

Author: Peter McKenzie

Date: 17:00:09 05/09/01

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On May 09, 2001 at 19:34:08, Dann Corbit wrote:

>On May 09, 2001 at 19:31:32, Ricardo Gibert wrote:
>[snip]
>>>If someone pays you to give an algorithm analysis of chess will you really
>>>report that it is O(1)?
>>
>>
>>Yes and I will point to the access of Nalimov EGTBs as an example of such an
>>algorithm. I will observe that in principle 5-man EGTBs can be extended to
>>32-man EGTBS, though this has no practical significance.
>
>This is an incompetent assessment.  32 man EGTB's cannot even conceivably be
>attempted if half the universe were turned into computers and the other half
>computed madly until the power went out.

Dan, it seems to me that Ricardo is presenting a logical argument here.  I don't
think the argument is refuted by you calling it incompetent!

Similarly, I don't see why the practical difficulties of constructing 32 man
EGTBs should detract from their theoretical existance.

>
>This is your definition of O(1).



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