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Subject: Re: Zobrist Reference

Author: Sune Fischer

Date: 10:01:22 07/11/04

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On July 11, 2004 at 11:05:55, David Rasmussen wrote:

>On July 11, 2004 at 10:39:01, Renze Steenhuisen wrote:
>
>>
>>What do you mean by proof? Give the chance that it is happening? I can send you
>>a thesis of someone who has it a small little graph if you'd like... Simply ask
>>me by mail (renze@ch.tudelft.nl)
>>
>
>I have done informal extensive tests myself that suggest that collisions with
>64-bit hash keys happen very infrequently. Infrequently enough to make it a
>non-issue. But I would like to reference something that has formally dealt with
>this, instead of just saying "take my word for it".

Better yet is to show the calculations.

By making a few almost realistic assumptions (e.g. the prng is perfect) it
shouldn't be hard to get a good lower bound for the collision rate.

You may try the archives, I believe it's already been posted here a few times.

-S.



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