Re: [computer-go] Bouzy/Zobrist algorithms

[Peter Drake <drake@xxxxxxxxxx>]

On Monday, June 7, 2004, at 12:37  PM, Erik van der Werf wrote:

> Peter Drake wrote:
>
> > I'm trying to implement Bruno Bouzy's "mathematical morphology" 
> > variation on Zobrist's influence function.  Some questions:
> >
> > 1) Are the values capped at 64?  It doesn't say so anywhere, but I 
> > can't figure out why the stones would still be at 64 after 3 
> > dilations in Figure X2.  (The paper in question is "Mathematical 
> > morphology applied to computer go," which is available from the 
> > Online Computer Go Bibliography.)
> AFAIK there is no specific reason, but yes he did cap the values. 
> According to
Since the erosion happens after the dilation, does that mean that the 
values for the occupied points are never altered by either operation?

> Careful, it should be: e = d(d-1)+1
>
> This becomes the unity operator for a single stone on a sufficiently 
> large board.
I believe it, but it's no obviously true.  Can someone give me a couple 
of intermediate steps?

Thanks,

Peter Drake
Assistant Professor of Computer Science
Lewis & Clark College
http://www.lclark.edu/~drake/

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